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Costs & prices
Timber Sash Windows: Softwood, Hardwood or Accoya?
New timber sash windows typically cost £1,200 to £2,500 per window in softwood and £1,800 to £3,500 in hardwood or…
3 min read 25 October 2026 -
Costs & prices
Accoya Sash Windows: Pros, Cons and Cost
Accoya is a fast-growing softwood that has been treated to make it far more stable and rot resistant than ordinary…
3 min read 25 October 2026 -
Draught-proofing & energy
Can You Double Glaze Existing Sash Windows?
Often, yes. Many existing timber sash windows can be upgraded with slim double glazing or vacuum glass, which keeps the…
4 min read 25 October 2026 -
Repairs & maintenance
Sash Window Locks and Restrictors: How to Secure Your Windows
Most sash windows rely on a single catch at the meeting rails, which is easy to force and does nothing…
3 min read 25 October 2026 -
Costs & prices
Sash Window Restoration: What It Involves and What It Costs
Sash window restoration brings old timber windows back to full working order: rotten wood is repaired, the sashes slide smoothly…
4 min read 25 October 2026 -
Costs & prices
Secondary Glazing for Sash Windows: Costs, Types and Is It Worth It?
Secondary glazing is a slim second window fitted on the inside of your existing sash windows. It keeps the original…
4 min read 25 October 2026 -
Costs & prices
uPVC vs Timber Sash Windows: Cost, Pros and Cons Compared
uPVC sash windows cost roughly half the price of timber and need almost no maintenance, which is why they are…
4 min read 25 October 2026 -
Planning & conservation
Replacing Sash Windows in a Conservation Area: Rules, Costs and Who to Hire
Replacing sash windows in a conservation area is usually straightforward if you replace like with like. Problems start when the…
5 min read 25 October 2026 -
Draught-proofing & energy
Double Glazed Sash Windows in a Conservation Area: What’s Allowed and What It Costs
If you live in a conservation area, you can usually have double glazed sash windows. The key is that they…
5 min read 25 October 2026 -
Repairs & maintenance
Sash Window Repair or Replacement: Which Is Right for You?
If your sash windows rattle, stick or let in draughts, it is tempting to think they need replacing. Often they…
3 min read 25 October 2026