Sash windows in St John’s Wood

Around St John’s Wood you will mostly find stucco villas, mansion blocks and converted period flats. In mansion blocks, sash replacement is often controlled by the freeholder or managing agent, so get written approval of the glazing pattern and material before ordering.

Some 1920s houses have sash windows alongside bays, so note whether the bay sashes slide or are fixed before deciding how closely to match the original arrangement. On larger period houses with many sashes, prioritise the most draughty or damaged windows first, and record the glazing bar layouts so later phases match exactly.

Much of the area falls within the St John's Wood conservation area, so Westminster City Council will expect any new windows to match the originals closely. In mansion blocks the managing agent or freeholder usually has to agree first; we can supply drawings and specifications to help with that.

Sliding sash windows open vertically and give period homes their familiar look, with balanced sashes, horns and glazing bars. We make replacement sash windows to match original proportions, suiting owners of Victorian, Edwardian and Georgian properties who want better insulation and security without losing traditional character.

• Traditional look with modern weather sealing
• Smooth vertical sliding operation
• Fewer draughts and rattles than worn originals

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