Double Glazed Sash Windows
Double Glazed Sash London
Double Glazed Sash Surrey

Double Glazed Window Sash Replacements

We fit timber double glazed sashes to your existing box frames. Operating across Surrey and London

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Increase the energy efficiency of your home with double glazed window sashes - without the cost of replacing the box frames too.

Original sash windows are beautiful. But because they only have single panes of glass, they aren’t the best when it comes to keeping your home warm.

And, over the years, a build-up of paint on the frames means your windows could have been painted shut or are hard to open and close.

By replacing the sashes with double glazed sashes, combined with our refurbishment service, your windows and home will be transformed.

Warmer home

Double-glazed sashes and draught-proofing keeps the heat in and cold out

Quieter

Double-glazed sealed units block noise from outside and don’t rattle

No condensation

Warm edge spacer bars and argon gas-filled glass stops condensation

Smooth operation

Sashes that were stiff or painted shut will now open and close effortlessly

More energy efficient

Turn your heating down and save on energy bills

Cost-effective

Replacing sashes and not the box frames is cheaper than buying all new

Choose Novells for premium-quality double glazed sashes

Our wooden double glazed sashes are made from sustainably sourced timber and arrive at your home pre-painted. You can choose clear glass or a satin glass for a frosted, contemporary look.

We’re timber sash window experts – it’s all we do

When you choose Novells, you can be sure you’re getting the best. Our timber sash windows team are highly skilled carpenters who have many years’ experience installing and restoring timber sash windows.

And we always treat your home like it was our own. We cover your furniture and floors with protective dust sheets and leave it exactly as we found it – except for the beautiful new window sashes of course.

We work in Surrey and across London, from Balham and Clapham to Putney and Kensington.

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Get a FREE no-obligation quote

Use the form on the right if you’d like us to call you. Or you can call us on 020 83951916. We’ll

  • Come to your home and chat about your needs
  • Take some measurements
  • Send you a free, no-obligation quote

See what our customers say about us

“Very professional! Pleasant to work with and experts in their field.”
Simon, Putney
“Excellent workmanship, did the job on time and budget. A very pleasant company to deal with. We are very happy with the new windows.”
John and Ann, Cobham