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The Bygone Collection Sash Windows

Our sash windows combine attention to detail and exceptional build quality, with an unprecedented 12 year guarantee. Exclusively available from sash window specialists, Masterframe; this quintessential sash window is as perfect for authentic period conservation and restoration, as it is for thermally efficient new build period reproductions.

Bygone Symphony Sash Windows Logo

Patented Timberweld® butt-jointed construction, exclusive super-slim mid-rail, deep timber-like frame cill, and run-through sash horns make this range virtually indistinguishable from original timber sash windows.

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Bygone Harmony Sash Windows Logo

Patented Timberweld® butt jointed construction and continuous sash horns already give this window some serious timber aesthetics, but why not add a super-slim 39mm mid-rail for that authentic detailing.

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Bygone Melody Sash Windows Logo

Complemented by the same frame and sash designs found on the Harmony and Symphony range, exclusive Bygone 12 year guarantee and A rating, the Melody sash window offers outstanding value.

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Our MASTER INSTALLERS are a team of specially trained craftsmen, selected by us, to deliver a quality installation of your chosen Masterframe windows.