USP 1 FAST Delivery across the UK
USP 2 Buy Direct from the Manufacturer
USP 3 10 Year Manufacturer Warranty

Custom Size Flat Glass

The custom size flat glass rooflight range by Brett Martin is easily installed, and features laminated inner panes as standard.
*
mm Length must be between 750mm and 3000mm
*
mm Width must be between 600mm and 2000mm
*
*
*
*
*
*
Ex.VAT £764.00
inc.VAT £916.80

Pricing not available for the entered dimensions

Sorry, the combination of options you have selected is not available. Please amend your choices and try again.

+ -

Choose Flat Glass Rooflights for the optimum safe and secure daylighting option. With a laminated inner page as standard, Brett Martin Glass Skylights prioritises the safety of your family.

Fixed variants of our Flat Glass rooflights achieve Secured by Design accreditation, ensuring you are kept secure against burglary.

  • The Brett Matin Flat Glass rooflight provides quality flat glass rooflight features at highly competitive prices, with some variants delivered in as little as 48 hours* from order.
  • Designed with both the building owner and installer in mind and to cater for the large and growing trend for flat-roofed home extensions and light, bright open, plan living.
  • Brett Martin Flat Glass rooflight is also equally at home on larger commercial property developments, giving homeowners, independent tradespeople, and larger construction trades the ability to bring stylish daylighting to all types of buildings quickly.

 

 

 Laminated Inner Pane

*See delivery details for relevant products

Benefits

  • Quick, Hassle-Free Installation – Large, secure modules connect seamlessly with no need for complex flashing, making the installation faster and easier.
  • Maximised Natural Light – Uninterrupted daylight flows into large or linear spaces without bulky frames obstructing the view, creating a brighter, more open atmosphere.
  • Guaranteed Weather Protection – Factory-glazed modules deliver reliable weather tightness, eliminating the need for on-site glazing sealants and providing lasting durability.
  • Versatile for Various Roof Pitches – Suitable for pitches between 2° and 35°, offering a flexible solution for different roofing styles and designs.
  • Energy Efficient – Thermally broken frames combined with Low-E insulated double-glazed glass units help keep your home warm while reducing energy consumption.
  • Enhanced Safety – Laminated inner panes meet non-fragility standards (CWCT TN-67 and Class B non-fragile to ACR[M]001), keeping those above and below the rooflight safe.
  • High Security – Fixed rooflights come with Secured by Design accreditation, giving you peace of mind for your home’s security.
  • Long-Term Warranty – Enjoy the peace of mind that comes with a 10-year commercial product warranty, providing long-lasting quality and reliability.
  • Environmentally Friendly – BRE Globally Verified Environmental Product Declaration (EPD) ensures the rooflights meet sustainability standards for specific configurations.

Features

  • Elegant Aluminium Framework – The stylish aluminium frame is powder-coated in anthracite grey (RAL 7016) on the outside and white (RAL 9010) on the inside, adding a modern touch to your home.
  • Minimalist Design with Hidden Features – Flush-powered opening modules with hidden actuators and cables keep both fixed and opening modules looking identical, preserving the clean, minimalist look.

Additional Features

  • Secured by Design Accreditation – All fixed modules are Secured by Design accredited as standard.
  • Customisable Ventilation Options – Choose from manual or powered opening options, controlled via wall switches, remote controls, or rain sensors for tailored convenience.
  • Multipane Glazing – Customisable with multiple panes, reducing the need for heavier or more expensive glass specifications.
  • Special Glass Options – Solar control, tinted, obscure, and self-cleaning glass choices are available to suit your specific requirements.

Installing the Brett Martin Flat Glass Rooflight is a straightforward process designed for builders and installers alike. Whether fitted to a builder’s upstand or paired with a preformed kerb, the rooflight is engineered for secure, long-lasting performance with minimal on-site effort.

For a full step-by-step installation guide for the Flat Glass Rooflight on a builder’s upstand, watch the video below or download our installation guide here.

*Brett Martin Daylight Systems operates a policy of continuous product improvement and reserves the right to alter specifications at any time without notice. Every effort has been taken to ensure all details contained in this video are correct at the time of release but this video should be used only as a guide and does not in any way form part of a contract or warranty. It is the customer’s responsibility to ensure that the product is suitable for the actual conditions of use, which are beyond the control of Brett Martin Daylight Systems.

How Your Flat Glass Rooflight Is Delivered

  • Delivered kerbside by the Brett Martin fleet
  • Glass and frame arrive together on an A-frame
  • Driver offloads with your assistance if needed
  • Sacrificial foam runners protect the glass during unloading
  • The A-frame is removed by the driver after delivery

Important: Please ensure someone is available on the day of delivery to help unload the rooflight from the lorry.


Delivery Times

Brett Martin Flat Glass (Fixed) – 48-hour lead time*

  • Kerbs: BU / DF / 216 / 300
  • Vents: Unvented / Trickle (manual) / Auto Hit & Miss

Available Sizes:

  • 600 x 600
  • 750 x 750
  • 900 x 600
  • 900 x 900
  • 1000 x 1000
  • 1200 x 600
  • 1200 x 900
  • 1200 x 1200
  • 1500 x 1000
  • 2000 x 1000 (5 working days)

Brett Martin Flat Glass (Manual/Powered Opening) – 5 working day lead time*

  • Kerbs: BU / DF / 216 / 300
  • Vents: Unvented / Trickle (manual) / Auto Hit & Miss

Available Sizes:

  • 600 x 600
  • 750 x 750
  • 900 x 600
  • 900 x 900
  • 1000 x 1000
  • 1200 x 600
  • 1200 x 900
  • 1200 x 1200
  • 1500 x 1000

*Any sizes not listed above will have a minimum 30 working day lead time. These are considered non-standard and will be handled by our Bespoke Team.

Note: Please double-check your order before finalising payment. As all units are custom-made, changes cannot be made after processing begins.



Delivery Cost

£40 + VAT (£48.00 inc. VAT) to all UK mainland addresses.

For non-mainland and remote postcodes, please contact us for a delivery quote.


Excluded Postcodes

We currently do not deliver to the following areas without prior arrangement:

Scotland, Northern Ireland, Channel Islands & Remote Areas

HS, IM, IV, ZE, BT, KA27–28, KWA, PA20–49, PH17–50,
PO30–40, TR21–25, LL58–78


Contact Us

Email: [email protected]
Phone: +44 (0)24 7660 2022

Related products

Circular Glass Rooflight

A circular glass rooflight crafted to maximise daylight and elevate interior aesthetics. With a minimalist profile and laminated inner pane, it brings softness, light, and a contemporary architectural statement to any modern home or commercial space.

From £1269.00
Shop Now

Glass Link Modular Rooflight

A modular rooflight system offering seamless glass links that flood interiors with daylight. With laminated inner panes for comfort and a flush, modern look, it transforms dark areas into bright, inviting spaces with architectural elegance and simplicity.

From £1310.40
Shop Now

Flat Glass Rooflight

A flat glass rooflight designed for simple installation and bright, clear views. Featuring laminated inner glazing as standard, it improves thermal efficiency and safety while allowing natural daylight to flood interior spaces in a sleek, modern form.

From £394.68
Shop Now