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Flat Glass Skylights

Flat Glass Skylights, Maximum Daylight for Modern Roofs

Bring natural light, ventilation and contemporary design into your building with our premium flat glass skylights at Sterlingbuild. Ideal for flat roofs, these high-performance skylights enhance any commercial or residential space, whether you’re completing a renovation or specifying a new build. We offer a wide selection of trusted brands, including The VELUX Group, VEW, RoofLITE+, Cox Dome, Brett Martin and Signature, with options to suit every requirement and budget.

Why Choose Flat Glass Skylights?

Flat roof skylights are perfect for:

  • Modern architectural designs - sleek, low profile glazing
  • Maximising natural daylight in kitchens, living spaces, offices and corridors
  • Improved ventilation (available on opening models)
  • Energy efficiency & thermal performance
  • Custom solutions for non-standard sizes or complex roof designs

Our range includes both fixed and opening skylights, as well as innovative electric and solar-powered options that offer effortless control.

At Sterlingbuild you’ll find:

Whether you need a standard skylight, a large format rooflight, or a tailored solution, Sterlingbuild’s range has you covered.

Trusted Brands for Quality and Durability

We partner with industry-leading manufacturers known for performance and reliability:

The VELUX Group - premium daylight solutions with a reputation for longevity

RoofLITE+ - cost-effective skylights without compromise

Cox Dome & Brett Martin - lightweight, versatile glazing

Signature - bespoke, precision-made rooflights for special projects

Find the Perfect Flat Roof Skylight

Use our product filters to explore by type, size, frame finish, glazing option, opening method and more - or contact our experts for specification advice.

Bring natural daylight into your space and elevate the look and function of your flat roof with skylights designed to perform. Shop flat glass skylights now at Sterlingbuild.

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Products

EOS97 Sectional Image Fixed Flat Rooflight
More Sizes Available

EOS Fixed Flat Rooflight - Premium Made to Measure Glass Rooflights

From £995.92
Product Code: EOSFFRLMTM
  •        Made to measure sizes available
  •         Suitable for flat roofs from 0–15 degrees
  •         0.97 W/m²K system U-value
  •         Optional insulated upstand
  •         Standard toughened or laminated safety glass options
  •         Handmade in Britain

·        

Est. delivery: 15-20 Working Days

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New
VELUX ISU & CFU Fixed Flat Glass Rooflight
More Sizes Available

VELUX CFU & ISU Fixed Flat Glass Roof Window

From £619.40
Product Code: VISU2093CFUF
  • Earn £30 In Rewards April & May
  • Suitable for 2-15° Flat Roofs
  • Double & Triple Glazed Options
  • Claim £15 VELUX Rewards
  • 13 Size Options
  • Complete Package

Est. delivery: 2-5 Working Days

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Special Offer
VELUX ISU CVU Solar Flat Glass Roof Window
More Sizes Available

VELUX CVU & ISU Solar Flat Glass Roof Window

From £1,119.48
Product Code: VISU2093CVUS
  • Earn £60 In Rewards April & May
  • Suitable for Roof Pitches 2-15°
  • Double & Triple Glazed Options
  • Solar Blinds Available
  • 10 Year Warranty
  • Claim £30 VELUX Rewards on this Product

Est. delivery: 2-5 Working Days

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Special Offer
VELUX ISD & CFP Polycarbonate Dome Window
More Sizes Available

VELUX CFP & ISD Fixed Polycarbonate Dome With Glazing

From £477.28
Product Code: VCFPISDF
  • Earn £15 In Rewards April & May
  • Double Glazed with Dome Cover
  • 10 Year Warranty
  • 9 Sizes 
  • Clear or Opaque Cover available
  • Good Daylight Area & Classic Design

Est. delivery: 2-5 Working Days

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Special Offer
VELUX ISU CFU Flat Roof Window
More Sizes Available

VELUX CFU & ISU Fixed Curved Glass Flat Roof Window

From £738.72
Product Code: VISUCFUF
  • Earn £30 In Rewards April & May
  • Curved Glass Top Suitable for 0-15° Flat Roofs 
  • Available in Double & Triple Glazed Options
  • 13 Sizes Available
  • 10 Year Warranty
  • Excellent Performance

Est. delivery: 2-5 Working Days

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Special Offer
VELUX Electric ISU CVU Flat Roof Window
More Sizes Available

VELUX CVU & ISU Electric Curved Glass Flat Roof Window

From £1,238.80
Product Code: VISUCVUE
  • Earn £60 In Rewards April & May
  • Curved Glass Top Suitable for 0-15° Flat Roofs 
  • Available in Double & Triple Glazed Options
  • Electric Blinds Available
  • 10 Year Warranty
  • Rain Sensor and Remote Included

Est. delivery: 2-5 Working Days

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