www.nhbc.co.uk National House Building Council www.constructionline.co.uk The UK register of pre-qualified construction services www.spab.org.uk The society for the protection of Ancient buildings www.citb.co.uk Construction industry training board www.riba.org Royal Institute of British Architects www.architecture.com Run by RIBA www.egnet.co.uk East Grinstead community website www.buildingconservation.com www.environment-agency.gov.uk www.english-heritage.org.uk www.midsussex.gov.uk www.westsussex.gov.uk www.wealden.gov.uk www.tandridgedc.gov.uk www.surreycc.gov.uk www.buildingproducts.co.uk www.stone-federationgb.org.uk