Useful sources of information for gas, water and electricity issues:
Electrical Safety Council (charity dedicated to reducing deaths and injuries caused by electrical accidents)
Energy Saving Trust (using energy at home information)
Gas Safe Register (the official list of gas engineers who are registered to work safely and legally on boilers, cookers, fires and all other gas appliances)
Health and Safety Executive (domestic gas information)
WaterRegsUK (water regulations advice for consumers)