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what are people saying...

  • “fourwalls provided a really excellent service when I commissioned them to carry out ┬ástudies of environmental technology in low carbon homes.”

    - Professor Fionn Stevenson | Head of School and Co-Director Centre of Excellence in Sustainable Building Design | Sheffield School of Architecture, The University of Sheffield -
  • “I worked with Ian Mawditt since he formed fourwalls several years ago and have been extremely impressed by his professionalism, reliability and depth of expertise especially in Building Performance Evaluation and building ventilation and air tightness.”

    - Dr Kerry J Mashford | Chief Executive | National Energy Foundation -
  • “fourwalls have first rate understanding of the complexity of building performance evaluation and I would recommend their trouble shooting expertise wholeheartedly.”

    - Professor Fionn Stevenson | Head of School and Co-Director Centre of Excellence in Sustainable Building Design | Sheffield School of Architecture, The University of Sheffield -
  • “Ian is a pleasure to work with and I am always delighted to include Fourwalls as a valuable associate of the National Energy Foundation in our collaborative projects.”

    - Dr Kerry J Mashford | Chief Executive | National Energy Foundation -
  • “Ian is very knowledgeable on the energy use in buildings and understanding the performance of completed dwellings. Ian is a good communicator and excellent trainer and it is always a pleasure to work with him.”

    - Ian Orme | Sustainable Construction Group | BSRIA -