Established and experienced team with excellent reputation, providing a wide range of heritage window services across Greater London and the eastern counties. Specialising in double glazing, draught proofing and bespoke sash window repair, working with both commercial and residential clients. If your sash windows, frames or sills are in need of some TLC, we can offer varying techniques to solve common problems including: rot, cord renewal and window rebalancing – offering vast improvements to the thermal performance of the window and heat retention. New sashes with slim line double glazing installed on conservation approval.