Sash Window Repair South London - Expert Restoration & Upgrade

South London’s trusted sash window specialists, restoring period windows to their former glory with traditional craftsmanship and modern expertise.

A multi-pane window with green masking tape around each pane, reflecting an outdoor garden scene—an ideal example for those seeking Sash Window Repair South London.

Professional Sash Window Repair in South London

Transform your period property with our expert sash window repair services across South London. From Victorian terraces in Clapham to Georgian townhouses in Greenwich, we specialise in bringing historic windows back to life while enhancing their performance for modern living.
 
Whether you’re dealing with rotten sashes, broken cords, rattling frames, or deteriorating timber, our skilled craftsmen combine honoured techniques with contemporary materials to deliver exceptional results. 
 
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Window Restoration​

Complete restoration service addressing timber decay, broken sash cords, worn pulleys, damaged glazing bars, and weather seals. We rebuild damaged sections using traditional joinery, replace sash cords, and refurbish pulley systems. Every repair preserves original features while ensuring smooth operation.

Simple line drawing of a window with four panes and a sparkle symbol on the right side, highlighting cleanliness—perfect for showcasing Sash Window Repair South London services.

Glazing

Upgrade single-glazed windows to double glazing without losing period character. Slim-profile units and vacuum-insulated glass maintain authentic proportions. Dramatically improves thermal performance and reduces energy bills while preserving visual integrity.

Simple line drawing of a window with three curved lines to the left, suggesting air flow or ventilation—ideal for representing Sash Window Repair South London.

Draught-proofing

Professional draught proofing eliminates air leakage using high-quality brush seals and compression seals. Virtually invisible installation preserves window appearance. Reduces heating costs up to 20% while eliminating rattling and noise infiltration.

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Painting

Professional painting service for all sash window woodwork. Applied after repairs and glazing work to provide protective coating. We use high-quality primers, undercoats, and topcoats suitable for exterior timber. Color matching available for heritage properties. Extends window lifespan and enhances appearance.

Two views of a house’s corner bay window with white wooden frames, geometric leaded glass, and red brick walls. One view shows peeling paint and timber damage on the sill, highlighting the need for Sash Window Repair South London expertise.
Two bay windows on a brick house: the left shows peeling paint and rot, whilst the right features fresh paint and clean glass after Sash Window Repair South London.
A person stands in a window frame, painting or repairing its edges. Nearby, a ladder, plastic sheet, and wooden tools suggest Sash Window Repair South London expertise at work.

South London & Surrounding Areas

We serve: Clapham, Brixton, Dulwich, Greenwich, Lewisham, Bermondsey, Southwark, Lambeth, Wandsworth, Putney, Richmond, Wimbledon, Croydon, Bromley, and surrounding areas.
 

Heritage Specialists

Extensive experience with Grade I, II*, and II listed properties. All work meets heritage requirements and conservation area guidelines. We use traditional materials and techniques while delivering practical improvements.

Regular liaison with conservation officers ensures compliance. We maintain stocks of period-appropriate materials including traditional putty, linseed oil paints, and authentic hardware.

Why Choose Professional Sash Window Repair?

Preserve Property Value Well-maintained sash windows significantly increase property value. Professional repair maintains authentic period features while improving functionality and energy efficiency.
 
Energy Efficiency Properly repaired and draught-proofed sash windows can reduce heating bills by up to 25%. Modern glazing upgrades provide excellent insulation without compromising period character.
A brick building with a large bay window featuring white frames, two rubbish bins, and a bare climbing plant on the wall—ideal for those interested in sash window repair South London.

Common Sash Window Problems We Solve

Broken Sash Cords Replace worn cords with high-quality alternatives. Restore proper counterbalance for effortless window operation.

Draughts and Rattling Professional draught proofing eliminates air leakage and noise. Invisible seals maintain authentic appearance.
 
Rotting Timber Expert timber repair using traditional joinery techniques. Splice repairs preserve original character while ensuring structural integrity.
Heritage Compliance

Frequently Asked Questions

Can you repair windows without removing them?

Yes, most repairs including sash cord replacement and draught proofing can be done in-situ, minimizing disruption.

Minor repairs from £250 per window. Comprehensive restoration £500-£1,500 per window. Free detailed quotations provided.

Yes, we specialize in heritage properties and understand conservation requirements and planning processes.

Yes, we offer slim-profile double glazing that maintains authentic appearance.
 
Simple repairs often completed in one day. Comprehensive restoration may take several days per window.
No, our systems are virtually invisible when properly installed and maintain window appearance.
 
Yes, 12-month guarantee on repairs. 
 
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