Windows & Doors

Simply Extensions & Lofts (SEL) is one of London's leading specialists in domestic extensions and loft conversions. With over 40 years of experience, we've built a reputation for high-quality work and creating beautiful spaces.

But why does this matter to you? One consistent element in every project we undertake is the need for top-quality windows and doors!

That’s why we’re introducing Simply Windows And Doors, a sister company dedicated to providing reliable, high-quality window and door solutions.

Looking to upgrade your home? Why not take us up on a completely free survey or quote for your project?