Classic black polypropylene school chair with a durable grey steel frame, featuring an ergonomic seat shell for improved student posture in classrooms.
Black anti-tilt classroom chair showing angled rear legs for stability; BS EN1729 compliant and made from 100% recycled polypropylene for eco-friendly school furniture.
Size chart showing school chair dimensions by age group, including height, seat depth, and weight for children aged 3 to 14+ years. Ideal for selecting age-appropriate classroom seating.

Overview

Features

Safety & Warranty

Specifications & Dimensions

Delivery & Returns

Product FAQs

Product Overview: Size 6 Black Anti-Tilt Adult Seating

The Cobolt Black Size 6 Chair is the premier seating solution for senior students and adult learners. Dispatched with Free UK Mainland Delivery, it is built to endure the high-frequency use and heavy-duty demands of the modern college or university environment.

The Cobolt Advantage

  • Fifteen-Year Asset Security: Our extensive structural warranty provides unparalleled budget protection, ensuring your institution's capital expenditure is protected against manufacturing defects for over a decade.
  • Estates-Friendly Frame: The high-quality slate-grey powder-coated steel legs are scratch-resistant, maintaining a professional appearance despite heavy daily cleaning and movement.
  • Mechanical Accident Prevention: The specialized anti-tilt legs act as a proactive safeguard, shifting the balance point to prevent users from tipping over while seated.

Adult Ergonomics & Sustainability

  • Size 6 Posture Support: Adhering to Size 6 EN1729 standards, the 460mm seat height is precision-engineered to support senior students and adults during long study periods.
  • Eco-Responsible Lifecycle: Constructed from 100% recyclable polypropylene and steel, this chair can be fully repurposed at the end of its life cycle to support green targets.
  • Enhanced Circulation: The downward-curved front edge prevents pressure points behind the thighs, ensuring users remain comfortable during double periods or exam sessions.

The Cobolt Standard

  • 50 Years of Expertise: As a trusted public sector partner for half a century, we deliver furniture that meets and exceeds the most rigorous UK educational benchmarks.
  • Free UK Mainland Delivery: We provide transparent, all-inclusive pricing by absorbing all shipping costs for your senior education refit project.
  • UK Quality Control: Domestic manufacturing ensures high-grade finishes, shortened lead times, and a significantly lower carbon footprint than imported furniture.

Where is this Size 6 Black Anti-Tilt Chair deployed?

The Black Size 6 School Chair is the primary specification for Secondary Classrooms (Year 10+), Sixth Form Colleges, University Lecture Rooms, and Adult Training Centres. Its adult dimensions and 125kg load capacity make it a versatile asset for senior students and staff during daily lessons and evening community hires.

Key Features

  • Anti-Tilt Safety Legs – Angled rear frame proactively inhibits users from rocking backwards on two legs.
  • Size 6 (14+ Years) – Standard ergonomic 460mm seat height for senior students through to fully grown adults.
  • 15-Year Structural Guarantee – Industry-leading warranty covering both frame welds and plastic shell integrity.
  • 125kg Weight Limit – Exceptional structural strength that safely supports students and adult staff alike.
  • Grey Powder-Coated Steel – Slate-tone metallic finish that resists scratches and heavy daily wear.
  • Stackable Design – Maximises floor space for exams and facilitates efficient evening cleaning routines.
  • High-Impact Polypropylene – The shell is resistant to ink, chemicals, and the high-traffic school environment.
  • Tamperproof Shell Fasteners – Secured fixings ensure the seat remains permanently and safely attached.
Warranty icon
15-year manufacturer guarantee
Free delivery icon
Free UK Mainland Delivery
UK manufactured icon
Made in UK

Cobolt Service: Partnering with UK Senior Education

  • 50 Years of Expertise: We understand the specific durability and hygiene needs of high-traffic senior school environments.
  • Free UK Mainland Delivery: We manage the delivery of institutional refits at no extra cost, keeping your project within budget.
  • Sustainability Goals: Our domestic manufacturing and 100% recyclable materials support your institution's carbon reduction targets.
  • Dedicated Support: Our UK-based team is available to help bursars and estates managers select the correct sizing for their specific demographics.

Senior Safety. Guaranteed Reliability.

  • The Anti-Tilt rear geometry is a crucial design feature for senior students, shifting the balance point to proactively prevent dangerous tipping habits.
  • Strict adherence to BS EN1729 Compliance ensures the seat height (460mm) and depth (380mm) are perfectly scaled for the adult stature, promoting healthy spinal habits.
  • The Waterfall Seat Front eliminates hard edges behind the thighs, maintaining healthy circulation during extended seated learning or exam sessions.
  • Industrial-grade Tamperproof fasteners provide a permanent, rattle-free connection between the polypropylene seat and the slate-grey steel frame.
  • Every unit is backed by a 15-year manufacturer's guarantee, covering structural frame integrity and shell defects for long-term reliability.

The Size 6 Black Anti-Tilt Chair combines certified senior ergonomics with an adult-strength safety frame. These specifications detail the materials used to create this durable institutional seating asset.

Target Ages
14+ Years (Size 6)
Material
100% Polypropylene
Guarantee
15 Years
Specification
Details
Institutional Benefit
Seat Height
460mm
Standard Size 6 for senior students & adults
Seat Width
405mm
Adult-width ergonomic support
Seat Depth
380mm
Thigh support for taller secondary users
Total Dimensions
830mm(H) x 460mm(W) x 560mm(D)
Adult-proportioned high-back profile
Unit Weight
4.3kg
Robust yet manageable for stacking
Frame Finish
Powder Coated Grey Steel
Vandal and scratch resistant finish
Compliance
BS EN1729 Compliant
Certified ergonomic and structural safety
Origin
Manufactured in UK
Quality assurance and low carbon impact

FREE Delivery to UK Mainland Zone 1

Your order will be delivered on a standard 5 Working Days service.

For all other locations, please email help@coboltfurniture.co.uk for a quote.


  • Made to Order: Many of our products are manufactured specifically for your order. Because of this, returns depend on the product specifics and require prior permission from Cobolt Furniture.
  • Cancellations: We always endeavour to reduce cancellation costs. However, please note a partial or entire charge may be levied to cover material costs and administrative fees if a made-to-order line is cancelled.

FAQs: Senior Education Seating Advice

Q: Is "Size 6" correct for my university or college?

A: Size 6 (460mm seat height) is the ergonomic standard for users aged 14 through to adulthood. It ensures that senior students can sit with a flat-footed stance, which is essential for maintaining correct sitting habits during higher education.

Q: How does the Anti-Tilt frame assist with adult learning environments?

A: Restless users often rock on their chairs during long study sessions. The angled rear frame shifts the leverage point, making it mechanically difficult for the chair to tip backwards. This proactively prevents falls and focus disruptions.

Q: Is Black a practical colour for a busy lecture hall?

A: Yes. Black provides a sophisticated, professional aesthetic that reduces visual noise. The polypropylene shell is completely non-porous and resistant to ink and chemicals, allowing for instant sanitisation with standard cleaners.

Q: What is the maximum weight capacity for these Size 6 chairs?

A: These chairs are robustly constructed and rated for a massive 125kg. This ensures they are safe for all senior students, adult staff, and evening community hires without structural risk.

Q: Are the seats tamper-proof to prevent interference?

A: Absolutely. We use industrial-grade tamperproof fasteners to secure the shell to the grey steel frame. This ensures users cannot loosen the fixings and that the chairs remain a permanent, safe asset in your facility.

Q: Does this chair comply with fire and safety regulations?

A: Yes, it is fully compliant with BS EN1729 Parts 1 & 2, which are the specific standards for UK school and college furniture regarding ergonomics, strength, and structural durability.

Q: How easy are these chairs to store during cleaning?

A: These chairs are designed for vertical stacking, allowing cleaning teams to clear floor space efficiently after the academic day ends. Their lightweight 4.3kg build makes them easy to move.

Q: Why purchase from Cobolt Furniture?

A: With 50 years of expertise, we are a trusted partner to UK education. We provide Free UK Mainland Delivery, expert product knowledge, and furniture built specifically for high-traffic environments.

Overview

Product Overview: Size 6 Black Anti-Tilt Adult Seating

The Cobolt Black Size 6 Chair is the premier seating solution for senior students and adult learners. Dispatched with Free UK Mainland Delivery, it is built to endure the high-frequency use and heavy-duty demands of the modern college or university environment.

The Cobolt Advantage

  • Fifteen-Year Asset Security: Our extensive structural warranty provides unparalleled budget protection, ensuring your institution's capital expenditure is protected against manufacturing defects for over a decade.
  • Estates-Friendly Frame: The high-quality slate-grey powder-coated steel legs are scratch-resistant, maintaining a professional appearance despite heavy daily cleaning and movement.
  • Mechanical Accident Prevention: The specialized anti-tilt legs act as a proactive safeguard, shifting the balance point to prevent users from tipping over while seated.

Adult Ergonomics & Sustainability

  • Size 6 Posture Support: Adhering to Size 6 EN1729 standards, the 460mm seat height is precision-engineered to support senior students and adults during long study periods.
  • Eco-Responsible Lifecycle: Constructed from 100% recyclable polypropylene and steel, this chair can be fully repurposed at the end of its life cycle to support green targets.
  • Enhanced Circulation: The downward-curved front edge prevents pressure points behind the thighs, ensuring users remain comfortable during double periods or exam sessions.

The Cobolt Standard

  • 50 Years of Expertise: As a trusted public sector partner for half a century, we deliver furniture that meets and exceeds the most rigorous UK educational benchmarks.
  • Free UK Mainland Delivery: We provide transparent, all-inclusive pricing by absorbing all shipping costs for your senior education refit project.
  • UK Quality Control: Domestic manufacturing ensures high-grade finishes, shortened lead times, and a significantly lower carbon footprint than imported furniture.

Features & Benefits

Where is this Size 6 Black Anti-Tilt Chair deployed?

The Black Size 6 School Chair is the primary specification for Secondary Classrooms (Year 10+), Sixth Form Colleges, University Lecture Rooms, and Adult Training Centres. Its adult dimensions and 125kg load capacity make it a versatile asset for senior students and staff during daily lessons and evening community hires.

Key Features

  • Anti-Tilt Safety Legs – Angled rear frame proactively inhibits users from rocking backwards on two legs.
  • Size 6 (14+ Years) – Standard ergonomic 460mm seat height for senior students through to fully grown adults.
  • 15-Year Structural Guarantee – Industry-leading warranty covering both frame welds and plastic shell integrity.
  • 125kg Weight Limit – Exceptional structural strength that safely supports students and adult staff alike.
  • Grey Powder-Coated Steel – Slate-tone metallic finish that resists scratches and heavy daily wear.
  • Stackable Design – Maximises floor space for exams and facilitates efficient evening cleaning routines.
  • High-Impact Polypropylene – The shell is resistant to ink, chemicals, and the high-traffic school environment.
  • Tamperproof Shell Fasteners – Secured fixings ensure the seat remains permanently and safely attached.
Warranty icon
15-year manufacturer guarantee
Free delivery icon
Free UK Mainland Delivery
UK manufactured icon
Made in UK

Cobolt Service: Partnering with UK Senior Education

  • 50 Years of Expertise: We understand the specific durability and hygiene needs of high-traffic senior school environments.
  • Free UK Mainland Delivery: We manage the delivery of institutional refits at no extra cost, keeping your project within budget.
  • Sustainability Goals: Our domestic manufacturing and 100% recyclable materials support your institution's carbon reduction targets.
  • Dedicated Support: Our UK-based team is available to help bursars and estates managers select the correct sizing for their specific demographics.

Safety & Warranty

Senior Safety. Guaranteed Reliability.

  • The Anti-Tilt rear geometry is a crucial design feature for senior students, shifting the balance point to proactively prevent dangerous tipping habits.
  • Strict adherence to BS EN1729 Compliance ensures the seat height (460mm) and depth (380mm) are perfectly scaled for the adult stature, promoting healthy spinal habits.
  • The Waterfall Seat Front eliminates hard edges behind the thighs, maintaining healthy circulation during extended seated learning or exam sessions.
  • Industrial-grade Tamperproof fasteners provide a permanent, rattle-free connection between the polypropylene seat and the slate-grey steel frame.
  • Every unit is backed by a 15-year manufacturer's guarantee, covering structural frame integrity and shell defects for long-term reliability.

Specification Dimensions

The Size 6 Black Anti-Tilt Chair combines certified senior ergonomics with an adult-strength safety frame. These specifications detail the materials used to create this durable institutional seating asset.

Target Ages
14+ Years (Size 6)
Material
100% Polypropylene
Guarantee
15 Years
Specification
Details
Institutional Benefit
Seat Height
460mm
Standard Size 6 for senior students & adults
Seat Width
405mm
Adult-width ergonomic support
Seat Depth
380mm
Thigh support for taller secondary users
Total Dimensions
830mm(H) x 460mm(W) x 560mm(D)
Adult-proportioned high-back profile
Unit Weight
4.3kg
Robust yet manageable for stacking
Frame Finish
Powder Coated Grey Steel
Vandal and scratch resistant finish
Compliance
BS EN1729 Compliant
Certified ergonomic and structural safety
Origin
Manufactured in UK
Quality assurance and low carbon impact

Delivery & Returns

FREE Delivery to UK Mainland Zone 1

Your order will be delivered on a standard 5 Working Days service.

For all other locations, please email help@coboltfurniture.co.uk for a quote.


  • Made to Order: Many of our products are manufactured specifically for your order. Because of this, returns depend on the product specifics and require prior permission from Cobolt Furniture.
  • Cancellations: We always endeavour to reduce cancellation costs. However, please note a partial or entire charge may be levied to cover material costs and administrative fees if a made-to-order line is cancelled.

Product FAQs

FAQs: Senior Education Seating Advice

Q: Is "Size 6" correct for my university or college?

A: Size 6 (460mm seat height) is the ergonomic standard for users aged 14 through to adulthood. It ensures that senior students can sit with a flat-footed stance, which is essential for maintaining correct sitting habits during higher education.

Q: How does the Anti-Tilt frame assist with adult learning environments?

A: Restless users often rock on their chairs during long study sessions. The angled rear frame shifts the leverage point, making it mechanically difficult for the chair to tip backwards. This proactively prevents falls and focus disruptions.

Q: Is Black a practical colour for a busy lecture hall?

A: Yes. Black provides a sophisticated, professional aesthetic that reduces visual noise. The polypropylene shell is completely non-porous and resistant to ink and chemicals, allowing for instant sanitisation with standard cleaners.

Q: What is the maximum weight capacity for these Size 6 chairs?

A: These chairs are robustly constructed and rated for a massive 125kg. This ensures they are safe for all senior students, adult staff, and evening community hires without structural risk.

Q: Are the seats tamper-proof to prevent interference?

A: Absolutely. We use industrial-grade tamperproof fasteners to secure the shell to the grey steel frame. This ensures users cannot loosen the fixings and that the chairs remain a permanent, safe asset in your facility.

Q: Does this chair comply with fire and safety regulations?

A: Yes, it is fully compliant with BS EN1729 Parts 1 & 2, which are the specific standards for UK school and college furniture regarding ergonomics, strength, and structural durability.

Q: How easy are these chairs to store during cleaning?

A: These chairs are designed for vertical stacking, allowing cleaning teams to clear floor space efficiently after the academic day ends. Their lightweight 4.3kg build makes them easy to move.

Q: Why purchase from Cobolt Furniture?

A: With 50 years of expertise, we are a trusted partner to UK education. We provide Free UK Mainland Delivery, expert product knowledge, and furniture built specifically for high-traffic environments.

Black Classic Polypropylene Anti-Tilt School Chair - Size 6 - 14+ Years

Product code: CH46BK
Equip your sixth forms, colleges, and university environments with the Cobolt Midnight Polypropylene Anti-Tilt Chair (Size 6 / 14+ Years). Specificall...

Inc VAT

Exc VAT

£58.00

£48.33

Colours - Black
Age - 14+ Years

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Trusted UK Supplier 50 years. Established. Reliable.

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Overview

Features

Safety & Warranty

Specifications & Dimensions

Delivery & Returns

Product FAQs

Product Overview: Size 6 Black Anti-Tilt Adult Seating

The Cobolt Black Size 6 Chair is the premier seating solution for senior students and adult learners. Dispatched with Free UK Mainland Delivery, it is built to endure the high-frequency use and heavy-duty demands of the modern college or university environment.

The Cobolt Advantage

  • Fifteen-Year Asset Security: Our extensive structural warranty provides unparalleled budget protection, ensuring your institution's capital expenditure is protected against manufacturing defects for over a decade.
  • Estates-Friendly Frame: The high-quality slate-grey powder-coated steel legs are scratch-resistant, maintaining a professional appearance despite heavy daily cleaning and movement.
  • Mechanical Accident Prevention: The specialized anti-tilt legs act as a proactive safeguard, shifting the balance point to prevent users from tipping over while seated.

Adult Ergonomics & Sustainability

  • Size 6 Posture Support: Adhering to Size 6 EN1729 standards, the 460mm seat height is precision-engineered to support senior students and adults during long study periods.
  • Eco-Responsible Lifecycle: Constructed from 100% recyclable polypropylene and steel, this chair can be fully repurposed at the end of its life cycle to support green targets.
  • Enhanced Circulation: The downward-curved front edge prevents pressure points behind the thighs, ensuring users remain comfortable during double periods or exam sessions.

The Cobolt Standard

  • 50 Years of Expertise: As a trusted public sector partner for half a century, we deliver furniture that meets and exceeds the most rigorous UK educational benchmarks.
  • Free UK Mainland Delivery: We provide transparent, all-inclusive pricing by absorbing all shipping costs for your senior education refit project.
  • UK Quality Control: Domestic manufacturing ensures high-grade finishes, shortened lead times, and a significantly lower carbon footprint than imported furniture.

Where is this Size 6 Black Anti-Tilt Chair deployed?

The Black Size 6 School Chair is the primary specification for Secondary Classrooms (Year 10+), Sixth Form Colleges, University Lecture Rooms, and Adult Training Centres. Its adult dimensions and 125kg load capacity make it a versatile asset for senior students and staff during daily lessons and evening community hires.

Key Features

  • Anti-Tilt Safety Legs – Angled rear frame proactively inhibits users from rocking backwards on two legs.
  • Size 6 (14+ Years) – Standard ergonomic 460mm seat height for senior students through to fully grown adults.
  • 15-Year Structural Guarantee – Industry-leading warranty covering both frame welds and plastic shell integrity.
  • 125kg Weight Limit – Exceptional structural strength that safely supports students and adult staff alike.
  • Grey Powder-Coated Steel – Slate-tone metallic finish that resists scratches and heavy daily wear.
  • Stackable Design – Maximises floor space for exams and facilitates efficient evening cleaning routines.
  • High-Impact Polypropylene – The shell is resistant to ink, chemicals, and the high-traffic school environment.
  • Tamperproof Shell Fasteners – Secured fixings ensure the seat remains permanently and safely attached.
Warranty icon
15-year manufacturer guarantee
Free delivery icon
Free UK Mainland Delivery
UK manufactured icon
Made in UK

Cobolt Service: Partnering with UK Senior Education

  • 50 Years of Expertise: We understand the specific durability and hygiene needs of high-traffic senior school environments.
  • Free UK Mainland Delivery: We manage the delivery of institutional refits at no extra cost, keeping your project within budget.
  • Sustainability Goals: Our domestic manufacturing and 100% recyclable materials support your institution's carbon reduction targets.
  • Dedicated Support: Our UK-based team is available to help bursars and estates managers select the correct sizing for their specific demographics.

Senior Safety. Guaranteed Reliability.

  • The Anti-Tilt rear geometry is a crucial design feature for senior students, shifting the balance point to proactively prevent dangerous tipping habits.
  • Strict adherence to BS EN1729 Compliance ensures the seat height (460mm) and depth (380mm) are perfectly scaled for the adult stature, promoting healthy spinal habits.
  • The Waterfall Seat Front eliminates hard edges behind the thighs, maintaining healthy circulation during extended seated learning or exam sessions.
  • Industrial-grade Tamperproof fasteners provide a permanent, rattle-free connection between the polypropylene seat and the slate-grey steel frame.
  • Every unit is backed by a 15-year manufacturer's guarantee, covering structural frame integrity and shell defects for long-term reliability.

The Size 6 Black Anti-Tilt Chair combines certified senior ergonomics with an adult-strength safety frame. These specifications detail the materials used to create this durable institutional seating asset.

Target Ages
14+ Years (Size 6)
Material
100% Polypropylene
Guarantee
15 Years
Specification
Details
Institutional Benefit
Seat Height
460mm
Standard Size 6 for senior students & adults
Seat Width
405mm
Adult-width ergonomic support
Seat Depth
380mm
Thigh support for taller secondary users
Total Dimensions
830mm(H) x 460mm(W) x 560mm(D)
Adult-proportioned high-back profile
Unit Weight
4.3kg
Robust yet manageable for stacking
Frame Finish
Powder Coated Grey Steel
Vandal and scratch resistant finish
Compliance
BS EN1729 Compliant
Certified ergonomic and structural safety
Origin
Manufactured in UK
Quality assurance and low carbon impact

FREE Delivery to UK Mainland Zone 1

Your order will be delivered on a standard 5 Working Days service.

For all other locations, please email help@coboltfurniture.co.uk for a quote.


  • Made to Order: Many of our products are manufactured specifically for your order. Because of this, returns depend on the product specifics and require prior permission from Cobolt Furniture.
  • Cancellations: We always endeavour to reduce cancellation costs. However, please note a partial or entire charge may be levied to cover material costs and administrative fees if a made-to-order line is cancelled.

FAQs: Senior Education Seating Advice

Q: Is "Size 6" correct for my university or college?

A: Size 6 (460mm seat height) is the ergonomic standard for users aged 14 through to adulthood. It ensures that senior students can sit with a flat-footed stance, which is essential for maintaining correct sitting habits during higher education.

Q: How does the Anti-Tilt frame assist with adult learning environments?

A: Restless users often rock on their chairs during long study sessions. The angled rear frame shifts the leverage point, making it mechanically difficult for the chair to tip backwards. This proactively prevents falls and focus disruptions.

Q: Is Black a practical colour for a busy lecture hall?

A: Yes. Black provides a sophisticated, professional aesthetic that reduces visual noise. The polypropylene shell is completely non-porous and resistant to ink and chemicals, allowing for instant sanitisation with standard cleaners.

Q: What is the maximum weight capacity for these Size 6 chairs?

A: These chairs are robustly constructed and rated for a massive 125kg. This ensures they are safe for all senior students, adult staff, and evening community hires without structural risk.

Q: Are the seats tamper-proof to prevent interference?

A: Absolutely. We use industrial-grade tamperproof fasteners to secure the shell to the grey steel frame. This ensures users cannot loosen the fixings and that the chairs remain a permanent, safe asset in your facility.

Q: Does this chair comply with fire and safety regulations?

A: Yes, it is fully compliant with BS EN1729 Parts 1 & 2, which are the specific standards for UK school and college furniture regarding ergonomics, strength, and structural durability.

Q: How easy are these chairs to store during cleaning?

A: These chairs are designed for vertical stacking, allowing cleaning teams to clear floor space efficiently after the academic day ends. Their lightweight 4.3kg build makes them easy to move.

Q: Why purchase from Cobolt Furniture?

A: With 50 years of expertise, we are a trusted partner to UK education. We provide Free UK Mainland Delivery, expert product knowledge, and furniture built specifically for high-traffic environments.

Overview

Product Overview: Size 6 Black Anti-Tilt Adult Seating

The Cobolt Black Size 6 Chair is the premier seating solution for senior students and adult learners. Dispatched with Free UK Mainland Delivery, it is built to endure the high-frequency use and heavy-duty demands of the modern college or university environment.

The Cobolt Advantage

  • Fifteen-Year Asset Security: Our extensive structural warranty provides unparalleled budget protection, ensuring your institution's capital expenditure is protected against manufacturing defects for over a decade.
  • Estates-Friendly Frame: The high-quality slate-grey powder-coated steel legs are scratch-resistant, maintaining a professional appearance despite heavy daily cleaning and movement.
  • Mechanical Accident Prevention: The specialized anti-tilt legs act as a proactive safeguard, shifting the balance point to prevent users from tipping over while seated.

Adult Ergonomics & Sustainability

  • Size 6 Posture Support: Adhering to Size 6 EN1729 standards, the 460mm seat height is precision-engineered to support senior students and adults during long study periods.
  • Eco-Responsible Lifecycle: Constructed from 100% recyclable polypropylene and steel, this chair can be fully repurposed at the end of its life cycle to support green targets.
  • Enhanced Circulation: The downward-curved front edge prevents pressure points behind the thighs, ensuring users remain comfortable during double periods or exam sessions.

The Cobolt Standard

  • 50 Years of Expertise: As a trusted public sector partner for half a century, we deliver furniture that meets and exceeds the most rigorous UK educational benchmarks.
  • Free UK Mainland Delivery: We provide transparent, all-inclusive pricing by absorbing all shipping costs for your senior education refit project.
  • UK Quality Control: Domestic manufacturing ensures high-grade finishes, shortened lead times, and a significantly lower carbon footprint than imported furniture.

Features & Benefits

Where is this Size 6 Black Anti-Tilt Chair deployed?

The Black Size 6 School Chair is the primary specification for Secondary Classrooms (Year 10+), Sixth Form Colleges, University Lecture Rooms, and Adult Training Centres. Its adult dimensions and 125kg load capacity make it a versatile asset for senior students and staff during daily lessons and evening community hires.

Key Features

  • Anti-Tilt Safety Legs – Angled rear frame proactively inhibits users from rocking backwards on two legs.
  • Size 6 (14+ Years) – Standard ergonomic 460mm seat height for senior students through to fully grown adults.
  • 15-Year Structural Guarantee – Industry-leading warranty covering both frame welds and plastic shell integrity.
  • 125kg Weight Limit – Exceptional structural strength that safely supports students and adult staff alike.
  • Grey Powder-Coated Steel – Slate-tone metallic finish that resists scratches and heavy daily wear.
  • Stackable Design – Maximises floor space for exams and facilitates efficient evening cleaning routines.
  • High-Impact Polypropylene – The shell is resistant to ink, chemicals, and the high-traffic school environment.
  • Tamperproof Shell Fasteners – Secured fixings ensure the seat remains permanently and safely attached.
Warranty icon
15-year manufacturer guarantee
Free delivery icon
Free UK Mainland Delivery
UK manufactured icon
Made in UK

Cobolt Service: Partnering with UK Senior Education

  • 50 Years of Expertise: We understand the specific durability and hygiene needs of high-traffic senior school environments.
  • Free UK Mainland Delivery: We manage the delivery of institutional refits at no extra cost, keeping your project within budget.
  • Sustainability Goals: Our domestic manufacturing and 100% recyclable materials support your institution's carbon reduction targets.
  • Dedicated Support: Our UK-based team is available to help bursars and estates managers select the correct sizing for their specific demographics.

Safety & Warranty

Senior Safety. Guaranteed Reliability.

  • The Anti-Tilt rear geometry is a crucial design feature for senior students, shifting the balance point to proactively prevent dangerous tipping habits.
  • Strict adherence to BS EN1729 Compliance ensures the seat height (460mm) and depth (380mm) are perfectly scaled for the adult stature, promoting healthy spinal habits.
  • The Waterfall Seat Front eliminates hard edges behind the thighs, maintaining healthy circulation during extended seated learning or exam sessions.
  • Industrial-grade Tamperproof fasteners provide a permanent, rattle-free connection between the polypropylene seat and the slate-grey steel frame.
  • Every unit is backed by a 15-year manufacturer's guarantee, covering structural frame integrity and shell defects for long-term reliability.

Specification Dimensions

The Size 6 Black Anti-Tilt Chair combines certified senior ergonomics with an adult-strength safety frame. These specifications detail the materials used to create this durable institutional seating asset.

Target Ages
14+ Years (Size 6)
Material
100% Polypropylene
Guarantee
15 Years
Specification
Details
Institutional Benefit
Seat Height
460mm
Standard Size 6 for senior students & adults
Seat Width
405mm
Adult-width ergonomic support
Seat Depth
380mm
Thigh support for taller secondary users
Total Dimensions
830mm(H) x 460mm(W) x 560mm(D)
Adult-proportioned high-back profile
Unit Weight
4.3kg
Robust yet manageable for stacking
Frame Finish
Powder Coated Grey Steel
Vandal and scratch resistant finish
Compliance
BS EN1729 Compliant
Certified ergonomic and structural safety
Origin
Manufactured in UK
Quality assurance and low carbon impact

Delivery & Returns

FREE Delivery to UK Mainland Zone 1

Your order will be delivered on a standard 5 Working Days service.

For all other locations, please email help@coboltfurniture.co.uk for a quote.


  • Made to Order: Many of our products are manufactured specifically for your order. Because of this, returns depend on the product specifics and require prior permission from Cobolt Furniture.
  • Cancellations: We always endeavour to reduce cancellation costs. However, please note a partial or entire charge may be levied to cover material costs and administrative fees if a made-to-order line is cancelled.

Product FAQs

FAQs: Senior Education Seating Advice

Q: Is "Size 6" correct for my university or college?

A: Size 6 (460mm seat height) is the ergonomic standard for users aged 14 through to adulthood. It ensures that senior students can sit with a flat-footed stance, which is essential for maintaining correct sitting habits during higher education.

Q: How does the Anti-Tilt frame assist with adult learning environments?

A: Restless users often rock on their chairs during long study sessions. The angled rear frame shifts the leverage point, making it mechanically difficult for the chair to tip backwards. This proactively prevents falls and focus disruptions.

Q: Is Black a practical colour for a busy lecture hall?

A: Yes. Black provides a sophisticated, professional aesthetic that reduces visual noise. The polypropylene shell is completely non-porous and resistant to ink and chemicals, allowing for instant sanitisation with standard cleaners.

Q: What is the maximum weight capacity for these Size 6 chairs?

A: These chairs are robustly constructed and rated for a massive 125kg. This ensures they are safe for all senior students, adult staff, and evening community hires without structural risk.

Q: Are the seats tamper-proof to prevent interference?

A: Absolutely. We use industrial-grade tamperproof fasteners to secure the shell to the grey steel frame. This ensures users cannot loosen the fixings and that the chairs remain a permanent, safe asset in your facility.

Q: Does this chair comply with fire and safety regulations?

A: Yes, it is fully compliant with BS EN1729 Parts 1 & 2, which are the specific standards for UK school and college furniture regarding ergonomics, strength, and structural durability.

Q: How easy are these chairs to store during cleaning?

A: These chairs are designed for vertical stacking, allowing cleaning teams to clear floor space efficiently after the academic day ends. Their lightweight 4.3kg build makes them easy to move.

Q: Why purchase from Cobolt Furniture?

A: With 50 years of expertise, we are a trusted partner to UK education. We provide Free UK Mainland Delivery, expert product knowledge, and furniture built specifically for high-traffic environments.

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