At Sash Restoration London we provide a comprehensive sash window restoration service, upgrading the thermal and acoustic performance of a building through in-depth repairs, draught proofing systems and restoration. With the support of our joinery and glazing workshops, we are equipped to manufacture any necessary components to rebuild your timber sash windows to their original detailing.

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Problems commonly encountered include water ingress, decayed or painted shut components, rotting sills (particularly on south and west elevations), draughts and damaged glass. These sash and casement windows have often been neglected for long periods, and show signs of poor quality repair in the past, with filler being applied directly to damp and decayed timber, then painted over.

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As standard, we will quote for refurbishment, in-depth repair and installing new draught proofing systems into staff and parting bead. This will go a long way in bringing your single glazed sash windows to function correctly and if carefully hand painted, should give many more years of service. At Sash Restoration London we provide the following sash window restoration services across London and South-East:

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• Remove staff and parting bead and carefully remove top and bottom sash windows​

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• Assess condition of hardwood sill, box frame and external pointing

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• Re-balance sash weights to ensure smooth operation of both top and bottom sash windows

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• Assess condition of top and bottom sash window

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• Renovate top and bottom sash windows, scrape off excess paint and repair putty damage where needed with linseed oil putty 

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• Replace old pulleys with modern brass pulleys, incorporating a sealed ball bearing unit, resulting in smooth and positive action in operation

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• Install a new concealed draught proofing system into new staff and parting bead

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• Undercoat all exposed woodwork using Bullseye 1-2-3 and caulk beading leaving the window ready for final decoration  

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• Fit new brighton fastener, sash-lifts and window stops as directed by the customer

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• Full painting service available

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Please see below a selection of sash windows we have either replaced or fully restored: 

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