Water Hardness in Greater London
Top 10 Hard Water Areas in England
(Listed by County)
2) Hampshire
3) Essex
4) Surrey
6) Kent
7) Norfolk
9) Berkshire
10) Lincolnshire
Note: the above list of hard water areas in England is based on sales of Dyna Pipe Water Descalers, not the actual water hardness. However, the maps are based on water hardness.