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Original Windows

Preserving, Conserving, Restoring

Original Windows

Sash Window Services.

ReassemblySash Windows by Original Windows

Original Windows

Sash Window Services.

RefurbishmentTimber Sash Windows by Original Windows

Original Windows

Sash Window Services.

RenovationTimber Sash Windows by Original Windows

Sash Windows In North London

Original Windows is a London based team of period sash window specialists. As experienced in-shop joiners and on-site carpenters, we offer a complete range of service that makes full use of the versatility, durability and beauty of wood.

Founded in 1998, we have worked with more than a thousand clients to achieve more achieve secure, comfortable and elegant homes through attention to their sash windows. Many of these projects now form part of our portfolio that illustrates the comprehensive solutions, available through us, for the maintenance, improvement and installation of traditional period sash windows in and around the heart of London.

Meet the Team

Professional team leadership places you, the client, at the centre of every project. Our permanent representative is Simon Matthews, team Building Surveyor and Project Manager.

Simon Matthews BSc. BEd. – Managing Director
Bernadette Devoy – Secretary
David Cording – Joiner-in-Charge
Gary Gibson – Carpenter-in-Charge

Our Clients

We have experience working with homeowners, architects, surveyors, contractors and landlords. On every project our work has played a role in preserving heritage, conserving energy and restoring character to the built environment.

Range of Service

Maintaining the security and good working order of period sash windows with the minimum of alteration.

Improving comfort with discretely positioned draught proofing brush seals and double glazing solutions that save energy and reduce heating costs.

Installing elegant period sash windows to original design in Georgian, Victorian and Edwardian homes.


Original Windows does not employ sales staff and can therefore reflect the lower costs that arise in competitive pricing. Orders can be considered for the division of larger projects into smaller, more affordable stages.

We provide, free of charge, surveys and itemized quotations. Scaled drawings for planning applications are also free of charge following confirmation of order.

Conservation Areas and Listed Buildings

In addition to full replacement, our services include alternatives that meet the requirements of Local Authorities for work in Conservation Areas and Historic England for work to Listed Buildings.