Hard water solutions in West Sussex
West Sussex has very hard water. Here is what that does to your home, what genuinely fixes it, what only appears to, and who can fit it locally.
Very hard
Southern Water, South East Water, Portsmouth Water, SES Water — and they do not all supply the same kind of water, so check your own postcode.
Water in West Sussex
- West Sussex has hard to very hard water from the South Downs chalk, typically 250 to 330 mg/l CaCO₃.
- Four companies supply parts of the county, all of them delivering hard water, so the practical advice is consistent even though the supplier is not.
- The county has a large stock of period and rural property, including a meaningful number on private supplies.
- Scale protection is standard practice at boiler installation across the county.
- Coastal West Sussex has a substantial retirement and care sector, which drives commercial filtration demand in care homes and similar premises.
You have very hard water — among the hardest in the UK.
Limescale will be a constant in your home and a real cost in appliance life. A water softener is genuinely worth the investment here and most households who fit one notice the difference within days. At the very least, protect the boiler.
Who supplies West Sussex
Water company boundaries do not follow council boundaries. Check your postcode for the supplier at your address.