Water & drainage contractors in London

Choose your town or area in London for local water and drainage services, costs and advice — every job posted free, with up to 4 quotes from vetted contractors.

Across London's 142 towns and villages, water is supplied by Affinity Water, Essex & Suffolk Water, SES Water and others, with sewers and wastewater run by Thames Water. Each town page below carries its exact supplier, water hardness and postcode districts.