Guide
What does sash window restoration cost?
It is the first thing most people ask, and the honest answer is that it depends on each window. Here is exactly what it depends on, what a full restoration includes, and how to get an accurate, written price for yours.
Why we do not publish a price list
Two windows that look the same from the street can need very different work. One may only need new cords and draught proofing; the one beside it may have a rotten sill and a cracked pane. A price list would either overcharge the first or leave a nasty surprise on the second. So every job starts with a free survey of each window, one by one, and a written, itemised quotation. You only pay for the work each window actually needs.
What decides the cost
- The route. Restoring your existing sashes, fitting new double glazed sashes in your original case, or making a complete new window are three different jobs. See restore or replace?
- The condition of each window. How much rot there is in the sills, rails and sashes, whether cords are broken, and how many panes are cracked.
- The size of each window. Every window is measured and priced on its own.
- How many windows. Every window is quoted individually, so you can see exactly what each one needs.
- Access. Ground floor windows are simple. Upper floors can need scaffolding or access equipment.
- Glazing. Keeping original glass, replacing cracked panes like for like, or upgrading to slim double glazed units.
- Whether the building is listed. Like for like repair generally needs no consent, but double glazed sashes or new windows in a listed building need listed building consent and drawings. See our listed building guide.
What a full restoration includes
When comparing quotes, check what is included. Ours includes all of this as standard, with no hidden extras:
- New waxed cotton cords, rebalanced with the original weights
- Rotten sills and rails cut out and renewed in treated redwood
- Aquamac draught proofing
- Cracked or broken panes replaced like for like
- Security locks and sash bolts
- Traditional burnt sand and linseed oil mastic pointing
- Full painting inside and out
- A 5 year guarantee on the restoration work
See what a restoration involves.
Help with the cost
We do not offer finance ourselves, but replacing single glazing with double glazing may qualify for an interest free Home Energy Scotland loan, a draught proofing grant can be added alongside it, and some heritage trusts help with traditional window repair. For a Home Energy Scotland loan you must have its written offer before any work starts. See funding for sash windows in Scotland.
Get an accurate price for your windows
Send us a couple of photos with the form below, or call 0141 556 3327. We will arrange a free survey and send you a written, itemised quotation for each window, with our honest recommendation: restore, upgrade or renew. There is never any obligation.
Arrange a free survey
Not sure whether to restore, upgrade or renew? Let us have a look.
Tell us a little about your windows, with a photo or two if you have them, and we will call you back to arrange a visit.
You enquire
Send the form, with photos if you have them, or phone us. We aim to call you back the same working day.
Free survey
We visit at a time that suits you and assess every window individually.
Written quote
A clear, itemised quotation with no hidden extras — and never any obligation.