Based in Bristol and working across the south west, Greenheart Sustainable Construction Ltd have specialised in low energy, high performance sustainable buildings since 1999. We promote interesting, innovative and unique design with sustainability as the guiding principle. We are the only company in the South West who offer the complete package of PHPP (Passive House Planning Package) and Design & Build, with the added benefit of being regional installers of WARMCEL Insulation (the preferred insulation for Passive House and Timber Frame) & PAUL MVHR systems.