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

  • I'm very happy with the whole work that has been done in my house. Quality looks good and personnel has been very friendly and professional. Well done!
    — Franscesco Fullin, Norwich
  • Thanks very much for doing the work and repairs, it's nice to have fully functioning sash windows.
    — Mr Lugton, Mundesley
  • Excellent communication and very knowledgeable regarding the numerous questions I asked before and during the works We had three large bay sash and four regular sash replaced/repaired/glazed - split over two phases. Victorian house renovation Pleasant people to deal with and for what is a very expensive part of the renovation, any issues/ problems during works were immediately rectified by the company
    — Paul Hodgson, Essex
  • It's always such a pleasure when a company exceeds your already high expectations. From the initial site survey to works completion (I should mention I am a professional project manager) they did a marvellous job and my client was thrilled.
    — Louise Negri-Wibberley, Cley
  • I wanted to just write to you to say I'm delighted with the bay window and further more to say Jesse and Darren who carried out the work are extremely professional, helpful and an excellent representatives of your company. I have been in recruitment for over 25 years and so I see a lot of applicants and both workers are superb. I would base on their professionalism and workmanship highly recommend the company.
    — Jacky Lloyd, Huntingdon
  • We just wanted to say what great guys you all are, and what a good job you have done. We are exceedingly happy with the work you have done for us, and will definitely spread the word.
    — Mr and Mrs Carter, London & Cambridge
More Testimonials
CHAS - Accredited contractor
Certass - Quality and Evaluation for Construction