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Replacement Timber Sash Windows

Each double glazed, timber sash window replacement we manufacture and install across London and the South is bespoke.

Established in 1994, we have extensive experience working across London and the South of England and can replicate any period design, including: Georgian; Edwardian; and Victorian sliding sash windows. Where necessary, our traditional timber sliding sash windows can also adhere to listed building and conservation area requirements.

Our replacement sash windows in London and the South include:

  • Double glazed sash windows
  • Single glazed sash windows
  • Traditional cord hung windows
  • Spiral hung windows
  • Sash window bays
  • Box sash windows
  • Vertical and horizontal sliding sashes
  • Fixed sashes
  • Vertically sliding secondary glazing

Bespoke Timber Sash Window Company

From our extensive experience working with period properties across London and the South, we have designed our Classic range which covers most requirements for Georgian, Edwardian and Victorian homes.  However, if you have specific design in mind, we can manmufacture bespoke replacement double glazed sash windows that retain the feel of your period home.

When looking to replace timber sash windows it is important to ensure that the new sash windows are as energy efficient as possible.  Therefore at The Sash Window Workshop, all our replacement sash windows in London and the South of England are draught proofed on installation to help keep your home warm during the winter months.

The majority of our new timber sash windows are made in AccoyaTM, a sustainably sourced modified wood.  We can also make windows in alternative hardwood timbers, such as Oak, if you would prefer.

Our timber box sash windows are manufactured in our workshops in Berkshire and come fully factory finished.  In addition to Accoya'sTM 50 year anti-rot guarantee, our AccoyaTM timber sash windows also come with a twenty year joinery guarantee.  We are fully FSC® certified, meaning that all the timber we use for our box sash windows is sustainable.

Below are details of our guarantees for replacement timber sash windows:

sash window replacement guarantees
*Joinery guarantee will depend upon the timber chosen.

Replacement Sash Window Specialists

The Sash Window Workshop are specialists in the replacement and repair of timber sash windows.  We offer a supply and fit service across London and the South, with a supply only service nationwide.

Our timber windows are manufactured to provide the modern benefits of double glazing, while preserving the character of your home.  If you are unable to install double glazing, due to listed building regulations, we are also able to manufacture replacement single glazed windows.

When you make your initial enquiry, you will be assigned to one of our experienced sales surveyors. They will be able to answer any questions you have and help identify the right solution for you.

If you wish to proceed, you will need to send the signed paperwork to us with the deposit. You will then have a manufacturing survey, when measurements are double checked before manufacturing starts. During manufacturing we will contact you to arrange an installation date. Your new windows will then be installed by our expert installers. On completion, if you are available, our fitter will check that you are happy and will provide you with a satisfaction form.

Replacement timber box sash windows

New Double Glazed Sash Windows into Existing Frames

If your window frames are in good condition, we can replace just the sliding parts of the window, saving you money, minimising disruption and retaining the heritage of your home.  Alternatively we can manufacture and install complete new timber box sash windows including the window frame.  View our sash window gallery page for examples of our previous work.

We also offer a wide range of repair services, including draught proofing and a minor repair service for sash windows London and Southern England.

Below is a quick walk through by The Sash Window Workshop on installing new timber sliding sashes into existing window frames:

The materials we use are of the highest quality performance and durability.  Customers can choose between timber types, glass specifications, paint finishes and furniture specifications.  New complete wooden sash windows are glazed to offer the best in energy efficiency.  If required, customers can opt for special glazing such as stained glass, obscured glass and bowed glass.

London sash windows

All our replacement timber windows and doors come fully factory finished.  Our standard paint finish is white semi-gloss inside and outside consisting of base-coat primer / preservative, undercoat and topcoat. Other colours and stains from specialist suppliers are available on request, but there may be an additional charge.

To improve the security and usability of your new timber windows our standard ironmongery range is selected to be high quality, elegant and hard wearing.

timber sliding sash windows London

Traditional Timber Box Sash Windows London

Did you know that the traditional box sash window has been around since the 17th century? Amazingly the cord and lead weight design remains almost unchanged with spiral hung sash windows being a more modern development.  Victorian timber sash windows are a key architectural feature in a number of areas around London including Kensington, Islington and Hampstead.  Conservationists are keen to retain the heritage features.  At The Sash Window Workshop we are able to ensure that the patterns and designs are precisely copied to comply with listed buildings and conservation area requirements for sash windows in London.

In addition to replacement sash windows, we can also manufacture and install replacement casement windows and external timber doors.

Since 1994 we have installed thousands of new sash windows in London.  To replace your wooden sash windows in London and the South, contact us for a FREE quote or call: 01344 868 668.

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