The Chartered Institute Of Building - www.ciob.org; The Royal Institute of Chartered Surveyors - www.rics.org; The Society for the Protection of Ancient Buildings - www.spab.org.uk; Health and Safety Executive - www.hse.gov.uk; National House Building Council - www.nhbc.co.uk; Building Regulation and Planning - planning portal.gov.uk; Federation of Master Builders - www.fmb.org.uk; The National Federation of Roofing Contractors - www.nfrc.co.uk