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 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
  • Thanks very much for completing the works. We are very happy with the end results and it was just in time for the cold weather.
    — Mr & Mrs Underhill, Norwich
  • Really impressed with the firm. They closely matched existing sash windows for a new window to my property in Loughton. Would definitely use them again and recommend.
    — Peter MaCallan, Loughton, Essex
  • Thanks a million Chris! I'm impressed that you managed to save and repair the sash window!
    — Dr Best, King's Lynn
  • 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
  • Sash Window Preservation renovated four sash windows. They were punctual, charming, helpful, tidy and finished the job on time for a very competitive price. I would recommend them without reservation.
    — Mr Hyde, Norwich
More Testimonials
CHAS - Accredited contractor
Certass - Quality and Evaluation for Construction
The Guild of Master Craftsman