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Sash Window Costs

London Sash Windows offer four main pricing brackets; sash window repair, sash window draught proofing, sash window double glazing, and sash window painting.

Double Glazing Preparation London

Please note all prices have a tolerance plus or minus 15%-20% of the cost stated which is affected by condition and size. A good example would be a really small sash window draught proof in excellent condition which might cost £170, whereas a large one in poor condition will cost £230.

Sash Window Sill Restoration London

Sash window repair costs

  • Sill replacement replaced in hardwood £140.00
  • Sash window cords replace £150.00
  • Bottom sash window rail replacement £80
  • New sash £175.00
  • Replacement 4mm glass £50.00
  • Sash window security restrictors supplied and fitted £24.00
  • Minor resin repairs £60.00

Sash Window Draught Proofing

  • Large sash window draught proof £230.00
  • Standard sash window draught proof £200.00

Sash Window Double Glazing

Using existing sashes and joinery

  • Double glazing of existing sash window both sash functioning £650.00
  • Double glazing of existing sash window lower sash functioning £550.00
  • Double glazing of existing sash window both sash fixed £450.00

Manufacturing new sashes and installing into original frame.

  • Manufacture and install double glazed sash windows to original frame both sash functioning £850.00
  • Manufacture and install double glazed sash windows to original frame lower sash functioning £750.00
  • Manufacture and install double glazed sash windows to original frame both sash fixed £650.00

Sash Window Painting

Painting sash windows is the most variable, mainly because the large amount of difference in finishes and preparation so standard prices are quoted in a range.

  • Decorate internal of sash window £120.00 – £180.00
  • Decorate external of sash window £120.00 – £180.00

Other prices:

Supply and fit new sash window double glazed from £1500.00

Supply only new sash window double glazed from £880.00

Refurbishment Sash Windows
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