Bristol City Council The installation of external wall insulation, windows and roofing to Holroyd House, a 12 storey block of flats in Bristol. Client Bristol City Council Location Bristol Start Date November 2009 Value £2,000,000 Length 14 months Work Type External Wall Insulation, Windows & Roofing Number of Properties 56 Type of Properties Wimpey No-Fines 12 Storey Block Insulation Type 90mm EPS U Value Finish Applied Brick Slips, Wall Tiles, Silicone Render