TW sewerage boundaries


Red outline shows boundary of TW sewerage boundary, ie: the 14m people who would have to pay for the Thames Tunnel. Aside from London, this includes: Cheltenham, Cirencester, Banbury, Swindon, Marlborough, Basingstoke, Alton, Newbury, Oxford, Reading, High Wycombe, Woking, Crawley, Guildford, Stevenage, Harlow, Epping and Dartford.