Common blocked drains london problems in Kingston upon Thames
- ✓ Surcharge backup in Kingston town centre and lower Hogsmill-valley streets during heavy rainfall combined with high Thames tides
- ✓ Root infiltration from the Coombe estate's mature gardens into 1930s vitrified clay drainage
- ✓ Aging joint failure on Edwardian Surbiton and Norbiton terrace runs
- ✓ Tolworth interwar housing drainage at end of design life — increasingly frequent partial collapses
- ✓ Shared-drain blockages on Berrylands and Hook terrace runs where one fault backs up several houses