With over 1000 roof windows in stock, Sterlingbuild is VELUX’s
largest online stockist! RoofLITE is our most popular price point product
and if you are planning a Flat Roof Extension then ECO+ flat glass rooflights
offers the best value for money. Plus we offer FREE next day delivery.
Our helpful and informative buying guide relieves you of all the stress of having to answer those tricky questions you don’t know the answers for. Such as; what type of flat roof window do I need and what type of glazing do I require?
Add space and value to your property by building a flat roof extension. Take a look at some our inspirational flat roof extension ideas and discover the products that can enhance any extension, such as lanterns and rooflights.
Come along to the Sterlingbuild Open Evening on 18 June for expert advice and guidance on all things home extension. Guests will include architects, builders, manufacturers and suppliers, all there to help turn your plans and ideas into reality.
Read Sterlingbuild's guide to measuring for rooflights, windows and doors to ensure your bespoke product fits perfectly in your roof or wall, be it roof lantern, aluminium bifold doors or made to measure uPVC windows.
Use our handy chart to shop for roof windows by size. Buy VELUX, FAKRO or ECO+ windows, or discover the massive savings you'll make with VELUX alternatives....
Shop by Flat Rooflight Size
Use our handy chart to shop for flat rooflight windows by size. We only supply stylish, high performance flat roof windows from brands we trust, including VELUX, FAKRO, ECO+ and Sunsquare...
Why It’s Never Been a Better Time to Replace Your VELUX Window
And we have 5 very good reasons why now is a good time to think about upgrading to a new VELUX window.
A Beginner’s Guide to Sun Tunnels
Do you want more natural light in your home or office? Do you have a windowless room in need of natural light or a dark stairwell to brighten?
Which Internal Finish for your Roof Window
Did you know roof window manufacturers like VELUX and FAKRO put a lot of thought into the internal finish of their roof windows?
How To Choose The Right Sun Tunnel for Your Room
Sun tunnels are ingenious tubular skylights that channel daylight from your roof to a room or space below.
RoofLITE Vs VELUX
Our sales team is often asked "what alternatives are there to VELUX?", which we translate to meaning "how can you save me even more money, Sterlingbuild?" (aside from our price match promise and free delivery option!).
Create a Stunning Feature on a Budget
Even small budget loft conversion or home extensions can have a stunning window feature thanks to RoofLITE's combi flashing kits.
6 Tips on Choosing The Right Loft Conversion Company
One of the most nerve-wracking things about deciding to go ahead with a loft conversion is choosing a specialist company to carry out the work.
Pay Less for Stunning Roof Lanterns & Bi-Folding Doors
Pay less for your matching aluminium lantern rooflight and bi-fold patio doors without sacrificing quality, style or great performance.
5 Good Reasons to Buy Your Roof Windows at Sterlingbuild
Get much more than great products for your home improvement projects when you shop with us. We want you to have an experience so good, you’ll tell your friends about us.
Planning a Loft Conversion? Here’s What You Need to Know
A loft conversion involves transforming your empty loft space into a functionable, habitable room.