traditional stairs & spindles
01708 378 325

Box Sash Windows

Our bespoke specialist box sash windows can be manufactured to any size or shape from circular to gothic styles and full height, floor to ceiling.

As sash window specialists and having worked in conservation areas and listed properties over the years, we can match any existing wooden or UPVC sash windows and create a design you may have in mind to give your home a personal touch.

Please complete the attached enquiry form for a bespoke quotation.

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Box and sah window joinery by TSS

Wooden Sash Windows

At TSS we specialise in manufacturing and installing all different configurations of wooden sash windows and have done for over 30 years in various boroughs across London and the Home counties.

Offering a wide range of the finest timbers and glazing configurations, we ensure your new windows provide you with the highest thermal and acoustic benefits, with cost of all windows remaining competitive as possible. We can offer a choice of profiles, horns and mouldings to match your existing windows.

Our box sash windows include premium hardware to go with your windows and all new windows come with a full spray paint finish with microporous paint before leaving our workshop. We offer a full service from measuring through to installation.

casement window

Casement Windows

Along with sash windows, we also offer casement windows manufactured with any specialist glazing requirements, whether that be acoustic glass, slimline double glazing to give the appearance of single glazing or laminated security glass. Everything finished ready for installation before leaving the workshop.