Bespoke timber sash windows in a London townhouse
London Sash Windows Replacement and Repair Specialist
Upgrade Your Sash Windows Without Losing Their Character.

Bespoke timber sash windows for London homes. Improve insulation, security and value, crafted to match the original character of your property.

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  • Heritage timber casement windows
  • Flush casement windows
  • Vacuum glazed casement windows
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Technical specifications

Casement window specifications.

Compare the three timber casement profiles side by side: thermal, acoustic, glazing, finish and ironmongery.

What the specifications compare

  • Thermal performance and whole-window U-values
  • Acoustic reduction by glazing build-up
  • Glazing options and sightlines
  • Timber species, finish and paint system
  • Ironmongery and security hardware
  • Draught sealing and weathertightness

Casement profiles

  • Heritage timber casement windows
  • Flush casement windows
  • Vacuum glazed casement windows

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Book a free measured survey for timber casement windows. We respond within one working day.

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Areas we serve

  • Sash Windows Kensington
  • Sash Windows Chelsea
  • Sash Windows Notting Hill
  • Sash Windows Islington
  • Sash Windows Hampstead
  • Sash Windows Richmond
  • Sash Windows Hackney
  • Sash Windows Dulwich
  • Sash Windows Marylebone
  • Sash Windows Fulham
  • Sash Windows Wandsworth
  • Sash Windows Chiswick
  • Sash Windows Wimbledon