WaterHard.uk

Water Hardness in KT15 Addlestone

Supplied by Thames Water • Greater London, London

0 200 400 314 ppm
Very Hard
314
ppm (mg/L CaCO₃)
22°
Clark Degrees
17.6°
German Degrees (dH)
31.4°
French Degrees (fH)

Water Hardness in Addlestone (KT15)

The water in postcode district KT15 is classified as very hard with a hardness level of 314 ppm (parts per million) calcium carbonate. This is 109 ppm above the UK national average of 205 ppm.

Your water is supplied by Thames Water, which serves the London region. Thames Water draws water from sources that naturally contain dissolved minerals, primarily calcium and magnesium compounds.

What Does Very Hard Water Mean for Your Home?

  • ! Heavy limescale requiring frequent descaling
  • ! Blocked showerheads and reduced water flow
  • ! Substantially higher energy bills from boiler scale
  • ! Dry, itchy skin and lifeless hair
  • ! White crusty deposits on taps and surfaces
  • ! Reduced lifespan of washing machines and dishwashers

Solutions for Hard Water in Addlestone

At 314 ppm, you may benefit from a water softener or filter to reduce limescale and improve water quality.

View Solutions Water Softener Guide

How KT15 Compares

Area Hardness PPM
KT15 Addlestone
314 ppm
314 ppm
UK National Average
205 ppm
205 ppm

Nearby Areas

KT14
West Byfleet
313 ppm
KT16
Chertsey
315 ppm
KT17
Epsom
316 ppm

Frequently Asked Questions

What is the water hardness in KT15 Addlestone?
The water in KT15 Addlestone has a hardness level of 314 ppm (parts per million) calcium carbonate, classified as very hard. This is 109 ppm above the UK national average of 205 ppm.
Which water company supplies KT15?
KT15 Addlestone is supplied by Thames Water. Thames Water serves the London region.
Is the water in KT15 safe to drink?
Yes. Very Hard water at 314 ppm is safe to drink. Water hardness affects taste and can cause limescale, but it is not a health risk. In fact, hard water contains beneficial minerals like calcium and magnesium.
How can I reduce water hardness in KT15?
For very hard water at 314 ppm, a whole-house water softener is the most effective solution. You can also use a jug filter for drinking water, descaling products for appliances, and a shower filter for better skin and hair.
What does 314 ppm water hardness mean?
314 ppm means there are 314 parts per million of calcium carbonate dissolved in the water. This is equivalent to 22 Clark degrees, 17.6 German degrees, or 31.4 French degrees. Water above 180 ppm is generally considered hard.

All postcodes in Addlestone • Thames Water coverage • Hardest water areas • Softest water areas

Get updates for KT15

We'll notify you when Thames Water reports changes to water hardness in your area.