Choose Kensington Sash to replicate and replace your timber casement windows. A complete turnkey service with no further work required on plastering or decorating once we leave.

Double glazed casement windows, traditional casement windows, flush casement windows, storm proof casement windows, lipped casement windows.

Contact us to discuss your casement window project in London. Our surveyor can talk you through all options in detail and explain the processes

At Kensington Sash Group our Timber Casement Windows are manufactured for optimum performance, whilst retaining heritage features and period charms of a traditional window.

Fully compliant with building regulations, our premium timber casement windows come fully draught sealed and spray finished with low maintenance Teknos microporous paint in any RAL or Farrow and Ball colour.


We offer the choice between the use of Scandinavian slow grown pine or Accoya® and single or double glazed units. We care about the details at Kensington Sash Group and our highly skilled surveyors will ensure that your new timber casement windows fit with precise dimension into the aperture in every given aspect.

Product Details

  • Full Design, Survey, Manufacture and Installation service

  • High quality Ironmongery in a wide range of finishes that include brass, polished chrome, antique brass and any special requests

  • Conservation and listed building options

  • Secured by Design- Find out more

  • Custom glass specification including laminated security glass, acoustic glass and slim double glazing that looks like single glazing

  • Traditional features replicated

  • Choices of different horns and mouldings

  • Fully draught proofed 

  • Excellent thermal and acoustic performance

  • Sustainably sourced stable timber

  • Expert specialist fitting

  • Full After Care service

  • Comprehensive warranties for peace of mind

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Kensington Sash Group Ltd

The Refinery

13 Radnor Walk, Chelsea

London SW3 4BP

"Experts in the design, manufacture and installation of high quality, custom made joinery with focus on wooden windows, sash windows and timber doors."

Call Us

020 3105 8554

© 2021 Kensington Sash Group Ltd.

All rights reserved.

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