How Much Does It Cost to Restore Sash Windows?
The cost to restore sash windows usually depends on the condition of the timber, the amount of repair work required, whether the glass needs replacing, and whether draught proofing is included. For period homes, listed buildings, and properties of English Heritage interest, restoration is often preferred because it helps preserve the original character and historic value of the windows. As a general guide, a full sash window restoration can cost around £650 per window for a standard restoration. This would typically include stripping the window back, freeing stuck sashes, replacing broken sash cords, balancing the weights, repairing timber where needed, and making sure the window opens and closes smoothly again. Around 10 years ago, many sash window restorers were charging approximately £450 per window for a full restoration. With the rising cost of materials, labour, fuel, glass, putty, resin, timber, and general business costs, a similar job today is often cl...