Repair & Restoration

If your sash windows, frames or sills are in need of some TLC, we can offer varying techniques to solve common problems such as minor or major rot, cord renewal and window rebalancing.

Read More about Restore & Restoration

Double-Glazing

At Sash Window Preservation we are market leaders in double glazing existing frames. How? By creating a deeper rebate in the original frame this allows us to fit in a slim double glazed unit.

Read More about Sash Window Double Glazing

Draught Proofing

Our special draught excluder is fitted in the meeting rail along with the staff and parting beads. This leads to vast improvements to the thermal performance of the window and heat retention.

Read More about Sash Window Draught Proofing

Commercial

We have restored, repaired and renovated many sash windows belonging to schools, halls, estates and other commercial buildings. Just take a look at some of our successes.

Residential

We can help return your home’s sash windows back to their former glory with the minimum of mess and fuss.

play video

Presenting the sash window double glazing installation process

More Videos

Testimonials

  • Jess came on Sat to do the work as agreed, came early in the morning so got an early start and worked solidly through, seems to have done a fine job thanks! The draught proofing looks like it will make quite a difference. Will recommend the company to others.
    — Andrew Plunkett, London
  • Thank you for the work that you carried out on our sash windows at 45 Tenterleas, St ives. We are really impressed with the renovation of the original sliding sash window, and the clean state that everything was left in (despite the awful weather!)
    — Anthony Challinor, St Ives
  • Thank you so much for the wonderful job that the sash window team did for us in here in Bedford. All of the team worked so hard and seemed to do a thorough job, very tidy and made the whole process as easy and professional as possible. Thank you all for a wonderful job.
    — Sarah & Simon Blair, Bedford
  • I was very happy with Darren and Jesse who completed the work. They were tidy, polite and careful workmen.
    — Mim Ramsby, Norwich
  • Thank you Gary for doing the job quickly and tidily.
    — Mr Atkins, King's Lynn
  • Thanks a million Chris! I'm impressed that you managed to save and repair the sash window!
    — Dr Best, King's Lynn
More Testimonials
CHAS - Accredited contractor
Certass - Quality and Evaluation for Construction