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Expert sash window repair and replacement

SashWise are a dedicated local provider, installer and restorer of high-quality wooden sash windows in Barnes, serving the community since 2006. Whether you’re looking to upgrade to new sash windows or refurbish existing ones, we invite you to contact us for a no-obligation quotation.

We have completed many successful projects in Barnes, ranging from sash window restorations to full house installations. Owned by Dan Johnston, an experienced professional in the window industry with a deep understanding of the local area, he takes pride in his team of dedicated local installers and the many restorations completed in the local area.

If you’re also contemplating the addition of shutters to complement your new sash windows, our sister company, ShutterWise, provides a comprehensive measure and fit service.

Preserving Heritage: Why choose SashWise?

Front of a house with Sash Windows
  • Our team of highly skilled installers specialise in the repair, replacement, and restoration of timber sash windows.
  • As a small, family-run business, we take great pride in delivering superior craftsmanship. Our focus is in providing the utmost level of service and value to our customers.
  • We employ the most advanced draught-proofing system available and utilise materials of the highest quality to ensure lasting results.
  • Your home is treated with the utmost care from the moment we arrive until we leave – we use dust sheets to protect your furniture, and we meticulously remove all debris, dust, and old materials before we depart.
  • With over 300 5-star reviews on Checkatrade, our reputation speaks for itself. Don’t just take our word for it; see all our latest reviews directly on this link.

Sash window 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.

Restoring Elegance: About SashWise

Our mission is to recognise the importance of timber sash windows in preserving our architectural heritage. We are dedicated to reviving the charm of your property and enhancing the value of your home.

Supported by a team of highly skilled craftsmen with over a decade of expertise, SashWise specialises in the repair and restoration of wooden sash windows within Victorian and Georgian houses across West London. Our primary focus is on restoring these historical features to their original splendour.

At SashWise, we guarantee a personal, comprehensive, and cost-effective service. Our commitment lies in delivering the highest quality, all at a competitive price. Choose SashWise for a renovation experience that surpasses your expectations.

SashWise Vans

Sash window projects in and around Barnes

For free no obligation advice, please call us on 0208 977 4627 or complete the contact form below:

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