
Expert Sash Window Services in Horsham
Sash Window Experts are your trusted specialists in sash window repair and restoration in Horsham, West Sussex, and throughout the South East. With decades of expertise, our team of skilled craftsmen is passionate about maintaining and restoring these iconic windows using the latest techniques to ensure your windows stay in perfect condition for the long haul. Whether you need a simple repair or a full restoration of windows that seem beyond saving, we provide the services you need.

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Sash Window Repairs in Horsham
Whatever issues you face with your timber sash windows, we are here to restore both their function and appearance. From adjusting slide mechanisms to fitting draught-proofing, upgrading to double glazing, and more, our local experts can help maintain your home’s authentic character for years to come.
Our joinery workshop, located on the West Sussex/Kent border, allows us to offer on-site sash window repairs, including:
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Slide mechanisms, sash cord pulleys, and weights
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Timber decay on sills and frames
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Glass and putty repairs
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Window catches and locks
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Restoration of original moulding designs
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Draught-proofing and double glazing
At Sash Window Experts, we ensure that every sash window repair and restoration job in Horsham is handled with professionalism and attention to detail.

Why Choose Sash Window Experts?
Repairs Specialist
Are your sash windows draughty, damaged or rotten? Sash Window Experts are passionate about restoring history, not just replacing it. Over the last 25 years, we have brought back to life hundreds of sash windows many thought were un-repairable. Book your free survey today.
Free Window Survey
Call us today for a free window survey and quotation. Let us assess the extent of the damage and repair requirements, with consideration of your budget. You may be pleasantly surprised to find that sash window repair, rather than replacement, is the best option for your property.
Box Sash Window Experts
Box sash windows are a traditional feature of period homes which add charm and character. We have over 25 years experience in working with, repairing and installing box sash windows.
Double Glazing
We can supply and fit Hardwood double glazed sashes, built in our joinery workshop in Surrey, into your original box frame. If you have replacement UPVC windows and you would love to restore them back to their original sashes, our skilled craftsmen can replicate and match the style of your box frame.
Casement windows
Traditional casement windows are highly desirable features in any period home, adding character and authenticity. At Sash Window Experts, we are dedicated to preserving these windows, while improving their design and functionality for the modern age.
Exterior & French Doors
Are your exterior doors weather damaged, defect or simply in need of some TLC? Our highly skilled craftsmen would love to take a look and offer a free survey. We can provide expert advice on how best to restore and revive your French Doors or exterior doors.

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Arrange a No Obligation Survey With Mark
Hi, I’m Mark, owner of Sash Window Experts. I’d love to talk to you about restoring period windows. Please fill out the form or call me on 01403 602701 to arrange your FREE no obligation window survey and to discuss your requirements.
Sash Window Restoration in Horsham
With extensive experience working on period homes in Horsham and the surrounding areas, we strive to keep modern replacements unnecessary. Whether your home features Georgian, Victorian, or Edwardian sash windows, we can restore worn or damaged frames and fittings to their original splendour.
Our expert team uses a combination of traditional restoration methods and modern techniques—such as custom moulding for original designs and installing double-glazed window panes—to prolong the lifespan of your windows while meeting contemporary performance standards. This way, your restored sash windows retain their timeless appeal while offering the comfort and functionality of modern windows.
Draught Proofing for Sash Windows
Older sash windows are often prone to gaps, which can lead to draughts and dust entering your home. While many homeowners consider replacing their windows, we offer a solution that preserves the original charm of your period windows.
Our team excels in installing discreet draught-proofing solutions that don’t compromise the aesthetic of your sash windows, delivering the following benefits:
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Smooth and easy window operation
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No more rattling windows
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Significant draught reduction
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Reduced external noise
Whether you need draught proofing as a standalone service or as part of a broader restoration project, contact us for a free quote and to arrange a survey.


Double Glazing for Sash Windows
For those who want to retain the classic charm of their home while improving energy efficiency, we offer double glazing for sash windows. This upgrade provides:
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Lower energy bills
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Enhanced thermal insulation
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Better soundproofing
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Easier maintenance
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Improved security
Our team can restore and modernise your timber sash windows by:
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Installing double-glazed units in the original box sash frames
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Replacing outdated uPVC or aluminium windows with new double-glazed sashes in the original frames
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Fitting new box frames with double-glazed sashes, keeping the traditional pulley and weight system intact
Sash Window Replacement in Horsham
In rare cases, a sash window may be too far gone to repair. When this happens, we can replicate the original design and fit a precise replacement.
Using the latest double-glazing technology, we offer new double-glazed sashes made from high-quality hardwood or softwood, using Warm Edge Technology to improve energy efficiency. We replicate the original mouldings and horn details to ensure your new windows match the aesthetic of your period property while offering modern performance benefits.

Contact Us
Sash Window Experts offer a comprehensive range of services for sash window restoration in Horsham. If you have a period property with original sash windows that have seen better days, contact us today at 0800 197 0129 and speak to our friendly team to find out how we can help bring them back to life.
FAQs
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My original sash windows are noisy and draughty and I am not sure what to do about them. Can you help?
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Absolutely we can. Get in touch to arrange for us to visit your home and inspect your problem windows. It’s an excellent opportunity to get professional advice and guidance on how best to maintain your sash windows. Our window surveys are free and without obligation.
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Can you take out my modern UPVC windows and put timber sash windows back in?
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Do I need planning permission for sash window restorations?