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

  • We are very pleased with the refurbishment of our windows at Thurlow House, and the works carried out by Gary and the team.
    — Mr Hall, Badwell Ash, Suffolk
  • A massive thank you for my new double glazed sash window. I am very impressed with the customer service from start to finish The craftsmen on site were extremely polite and very knowledgeable in their product and installation. I can not praise you enough of your expert service
    — Matthew Payne, North Walsham
  • 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
  • Fantastic way to double glaze and maintain character of house. The work was carried out with great efficiency and on time. The lads were a pleasure to have in the house. Immediate elimination of draughts and increase in warmth. Strongly recommend without reservation.
    — Mr Albert, Norwich
  • 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
More Testimonials
CHAS - Accredited contractor
Certass - Quality and Evaluation for Construction
The Guild of Master Craftsman