The Original Box Sash Windows Company
The Original, Quality, Timber Box Sash Windows and Doors Company
The most popular choices from thousands of installations by our skilled joiners based in London, Berkshire, Buckinghamshire, Hampshire, Hertfordshire, Middlesex, Surrey, Sussex, Bedfordshire, Cambridgeshire, Dorset, Essex, Gloucestershire, Kent, Norfolk, Oxfordshire, Somerset, and Wiltshire.
The Original Box Sash Windows Company was founded in Berkshire in 1979
Top choice for the Home Owner who wants to reduce their heating bills.
Aesthetic, slim sealed glass units U-value 1.2
Top choice for the Home Owner who wants to reduce noise from outside.
Exclusive VapourTec (TM) acoustic barrier gas-fill in each sash window
Top choice for the Home Owner who wants extra security and peace of mind.
White, laminated glass outside and safety inside in each double glazed sash window
Top choice for the Home Owner who wants ultimate performance of both heat retention and noise reduction.
Traditional timber sash windows, triple glazed with exclusive VapourTec (TM) using two different gas-fills achieving U-value 0.8, Windows Energy Rating (WER) B, Amazing.
Top choice for the Home Owner who may need planning consent.
Timber frames and solid timber glazing bars with original mouldings. Extremely discreetly double glazed. Can be divided into individual panes of old glass.