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Sash and Case Window

A sash and case window is a traditional timber window in which glazed sashes slide vertically within a surrounding timber frame or case.

Sash and case windows are a characteristic feature of Georgian, Victorian and other traditional properties throughout Edinburgh. The window consists of one or more glazed timber sashes that move vertically within a surrounding timber case, traditionally balanced using concealed weights, cords and pulleys.

Original sash and case windows contribute significantly to the appearance and historic character of Edinburgh tenements, Georgian townhouses and Victorian villas. Common issues in older windows can include draughts, damaged sash cords, deteriorated timber, loose glazing, failed putty and windows that no longer open or close smoothly.

Depending on their condition, traditional windows may be suitable for repair and refurbishment rather than complete replacement. Work can include joinery repairs, replacement sash cords, draught proofing, glazing repairs and careful restoration of original timber components. Listed buildings and properties within conservation areas may also be subject to additional requirements when windows are altered or replaced.