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

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 repair costs

Sash Window Sill Restoration London

Sash Window Sill Restoration London

  • 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
Refurbishment Sash Windows

Refurbishment Sash Windows

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