Kensington Sash (Windows) Ltd · Company 16036440
Active·subcontractor & developer·Head office London
Kensington Sash specialises in the repair, restoration, and replacement of bespoke timber sash windows and doors for period properties across London. Trusted by homeowners, architects, and contractors, the company focuses on work within conservation areas and listed buildings, understanding the specific requirements of planners and local authorities. They offer a complete service, from initial survey and quote to crafting and installation, ensuring that original details are carefully replicated while upgrading for modern warmth, quiet, and security.
The company works with a variety of timber grades, including Engineered Redwood, Red Grandis, and FSC Accoya, and offers a wide range of glazing options from single glazing to slimline double and vacuum glazing, advising clients on the most appropriate specification for their property and planning context. They also provide bespoke timber French doors and front doors, designed to match the architectural character of period homes and finished to coordinate with sash window projects. Kensington Sash emphasizes a personal approach, with every job surveyed in person.
They handle planning applications and listed building consent, providing detailed quotes and using skilled two-person teams for installation. Their expertise in conservation areas and listed buildings, particularly in boroughs like Kensington and Chelsea, ensures that projects meet stringent aesthetic and regulatory requirements while enhancing the performance and security of period properties.
Kensington
Refurbishment for Whitbread PLC in a live, fully operational hotel. 170 sash windows restored and redecorated, 14 sashes replaced with profile-matched double-glazed units, plus masonry repairs and new steel access gates.
Client · Whitbread PLC
W14
Supply and installation of 10 hardwood casement windows sprayed in RAL 9016, with internal decorating, blinds, and Burnished Brass From the Anvil ironmongery.
Notting Hill W11
An architect-designed refurbishment of a prime Notting Hill property for Alex Design Studio. Full replacement of 9 sash windows, 2 casement windows and 3 doors in hardwood with double glazing, spray finished in RAL 9016 and fitted with Aged Brass From the Anvil ironmongery. One rear door spans an opening of over four metres, opening the back of the house to the garden.
Client · Alex Design Studio
Islington N1
A whole-house upgrade for Waltons Construction, retaining the original sashes rather than replacing them. Vacuum glazing retrofitted to 17 sash windows and a door, full overhaul and draughtproofing, new Mighton satin chrome ironmongery, and complete internal and external redecoration in Zinsser Cover Stain primer and Benjamin Moore Scuff-X.
Client · Waltons Construction
W8
Delivered with Kea Developments and Rossco. New traditional-style sashes with slimline double glazing fitted into original box frames stripped back to bare timber, draughtproofing and redecoration elsewhere, and stained glass units by Cut Glass Studio. No lift access to the seventh floor.
W8
Delivered with David Cooper Associates and handed over on schedule. Four double-glazed sashes reinstated into existing box frames, three arched French-style windows profile-matched to the originals, and a rear timber patio door.
SW7
Mixed contract: 12 sash windows in Red Grandis Hardwood plus a bespoke period entrance door. From the Anvil ironmongery throughout in aged brass.
Belgravia
Removal of non-original casement windows and manufacture of bespoke single-glazed sashes matched to the historic profiles. Heritage glazing, sash cords and ironmongery integrated to conservation requirements.
W8
Vacuum glazing specified and approved by RBKC. FSC Accoya timber. Exact profile matching to original Georgian windows.
W11
Full box frame replacement in Engineered Redwood with slimline double glazing and antique brass Mighton ironmongery. RAL 9010 finish throughout.
SW3
Full mechanical overhaul, Reddiseals draughtproofing, and ironmongery replacement across 6 windows. Conservation area, no glazing change required.
W14
Full overhaul and repaint across 10 Victorian sashes. Farrow & Ball Railings. Property is in the Holland Park conservation area.
Whitbread PLC, Alex Design Studio, Waltons Construction, Kea Developments, Rossco, David Cooper Associates.
This profile was compiled from public records. Claim it to add the things buyers ask for:
Kensington Sash repairs, restores and replaces timber sash windows and doors across London. Bespoke timber windows and doors for period London properties. Their listed services include Windows & doors, Restoration & heritage, Refurbishment, Glazing and Carpentry & joinery.
Kensington Sash is registered at LONDON, W8 6SN, in London.
Kensington Sash states that it works across West London, London, Kensington, Chelsea, Notting Hill and Holland Park.
Companies House lists Kensington Sash as active.
Kensington Sash works in Residential.
Kensington Sash was incorporated on 2024-10-23.
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