The National Archives - Window replacements, insulation upgrades and associated remedial works

The National Archives is planning to undertake a programme of window replacements, insulation upgrades and remedial works to the building fabric of its 'Q1' building. This building was constructed in 1977 as a brutalist concrete archive building in Kew, TW9 4DU. The window replacement and associated works are required to resolve performance issues which have been identified with the existing windows and building fabric. The works being tendered are remedial works to the external building fabric, insulation upgrades...