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

  • Thank you and the team for your excellent work. We are extremely pleased.
    — Keith, Attleborough
  • 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
  • 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
  • I am delighted by the work carried out by Sash Window Preservation Ltd. James and the team were professional and courteous at all times, always keeping me up-to-date with how the job was progressing and leaving the house and drive tidy after each day. I am really pleased with the end result, my original sash windows are now double glazed with no alteration in their appearance, and am now looking forward to a draught free winter.
    — Sally Bailey, Harrold, Bedfordshire
  • Just wanted to say thank you both so much for coming over to do the window yesterday, it was REALLY kind given how busy you are to fit me in and much appreciated. I can't imagine how we put up with it like that for nearly 20 years!
    — Mrs Georgina Gurney, Northrepps
  • I was very happy with Darren and Jesse who completed the work. They were tidy, polite and careful workmen.
    — Mim Ramsby, Norwich
More Testimonials
CHAS - Accredited contractor
Certass - Quality and Evaluation for Construction
The Guild of Master Craftsman