Traditional sash window specialists — London Call 020 3441 6515  ·  support@sashwindowsrepairlondon.co.uk
📞 020 3441 6515

Sash Window Repairs London

We specialise in sash window repairs in London. All our repairs are comprehensive and come with full warranty for a five year period. If your windows have been neglected, and are in need of some care we will be glad to assist. Our sash window repairs range from:

Repairs we carry out regularly

Why repair rather than replace?

A good repair costs 50–70% less than a new window, preserves the period character of your home, and — done properly — lasts another fifteen years. UPVC replacements rarely last that long and they can knock value off a period property.

Common sash window faults we fix

Broken sash cords

Snapped or frayed cords mean your sash won't stay up. We remove the sashes, re-cord, re-balance the weights and ease the window to run smoothly again.

Rattling sashes

The classic sign that draught seals have failed. Our hidden brush system silences rattles and closes the 3 mm gap between sash and frame.

Rotten sills and bottom rails

We splice in fresh timber, seal inside the joint, resin bond and mechanically fix — an everlasting repair if maintained.

Stuck or painted-shut sashes

We free them without damaging the joinery, replace broken cords or balances, and refit the parting and staff beads.

Perished putty and glazing

Old linseed putty cracks out — we remove defective sections and re-putty, or re-glaze with 4 mm/6 mm glass as part of an overhaul.

Warped, draughty French doors

We refurbish and draught proof French doors alongside sash work to give you a consistent period finish.

Get a free quote

Call 020 3441 6515 or email support@sashwindowsrepairlondon.co.uk. We quote fairly, in person where possible, and stand behind our work with a five-year guarantee.