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Sash windows hampton road

Sash window rot repair and security

We can repair rot problems to sash boxes, window sills and sash frames. We also provide a wide range of window furniture and locks to ensure your sash windows are safe and secure. These services form part of our primary services which are detailed at the bottom of this page and not as a standalone repair.

rot repair

Rot repair

We resolve minor rot problems by cutting back any rotten timber until only good wood remains. A wood preserver is applied, and then a specialist two-part epoxy resin is used to construct a hard-wearing repair.

If more extensive rot damage is present new timber can be spliced into the box or sill to match the original design and provide an unobtrusive repair. If necessary, we can replace the whole window sill.

If your sliding sash is beyond repair, then we can produce and fit a replacement timber sash. This will match any detail moulding or profile to replicate the original window. All our timber is from sustainable sources and treated with a wood preserver.

sash window


A single, central sash fastener often secures the sash windows of many homes in West London. Both leading insurance firms and the Metropolitan police acknowledge that these fasteners on their own cannot be relied upon to provide adequate security against illegal entry.  

We can supply and fit a range of tried and tested products to make your sash windows safe and secure. Your sash windows will remain fully functional and not detracting from the authentic charm of your property. 

In addition to locks, we can fit a range of high-quality sash furniture that will complement your windows. As with all of our period fittings, these can be supplied in a range of finishes to complement your existing window. 

Case studies

Thirteen new Accoya sash windows were fitted in to this beautiful period property in Twickenham as part of a full house renovation

Full-house sash window restoration project in Chertsey, Surrey, keeping the original features of the building and its windows.

We installed new Accoya double glazed sashes into five windows into this lovely Teddington property. Increasing thermal performance and insulation. Plus - no more rattles!

East Molesey – Full Service

This job consisted of 18 windows, all of which were fully serviced and draught proofed. We also replaced all of the cills, repaired all of the existing rot and finished off the windows with beautiful new furniture.

We completed a new double glazing job at a Victorian house in Teddington involving installing five new double glazed sashes into the home.

Full restoration – Chiswick

A full sash window refurbishment at a beautiful house in Chiswick. Renovation of two square bay windows and a large stained glass window.

SashWise fully restored the original sash windows in this stunning Victorian house in Mortlake.

SashWise fitted new Accoya double-glazed sash windows into the original sash boxes at this beautiful Edwardian detached townhouse in Hampton.

The original sash windows had been removed from this beautiful Victorian cottage in Twickenham. Our client wanted the windows changed back to their original style.

We completely restored 20 original timber sash windows though out this gorgeous Victorian house in Richmond.

Our client completely restored the property and wanted to replace the windows with a more robust solution, keeping the original features in the windows.

We replaced the original single glazed windows in this beautiful Victorian House in Teddington with new hardwood double glazed sashes.

Our other services

Sash window draught proofing

Servicing and draught-proofing

If your sash windows have broken cords or are stiff or jammed shut then this service will restore them to their original smooth working order.

Georgian sash window

Sash window repair and restoration

We completely and sympathetically restore your windows, so they will look like new without losing any of their original features.

Hardwood double glazed sash windows

New hardwood double glazing

If you do not require complete window replacement we can make new double glazed timber sashes to fit your original box sash frames.

Victorian sash window

New hardwood sash boxes

We can supply and fit new hardwood sash boxes complete with double glazed sashes that exactly replicate your original windows.