WaterHard.uk

Water Hardness in W1H London

Supplied by Severn Trent Water • Greater London, London

0 200 400 299 ppm
Hard
299
ppm (mg/L CaCO₃)
20.9°
Clark Degrees
16.8°
German Degrees (dH)
29.9°
French Degrees (fH)

Water Hardness in London (W1H)

The water in postcode district W1H is classified as hard with a hardness level of 299 ppm (parts per million) calcium carbonate. This is 94 ppm above the UK national average of 205 ppm.

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

What Does Hard Water Mean for Your Home?

  • ! Significant limescale buildup in kettles, pipes and boilers
  • ! Soap scum on shower screens and taps
  • ! Higher energy bills from scale in heating elements
  • ! Dry skin and dull hair after washing
  • ! White residue on dishes and glassware

Solutions for Hard Water in London

At 299 ppm, you may benefit from a water softener or filter to reduce limescale and improve water quality.

View Solutions Water Softener Guide

How W1H Compares

Area Hardness PPM
W1H London
299 ppm
299 ppm
UK National Average
205 ppm
205 ppm

Nearby Areas

W2
London
333 ppm
W3
London
334 ppm

Frequently Asked Questions

What is the water hardness in W1H London?
The water in W1H London has a hardness level of 299 ppm (parts per million) calcium carbonate, classified as hard. This is 94 ppm above the UK national average of 205 ppm.
Which water company supplies W1H?
W1H London is supplied by Severn Trent Water. Severn Trent Water serves the London region.
Is the water in W1H safe to drink?
Yes. Hard water at 299 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 W1H?
For hard water at 299 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 299 ppm water hardness mean?
299 ppm means there are 299 parts per million of calcium carbonate dissolved in the water. This is equivalent to 20.9 Clark degrees, 16.8 German degrees, or 29.9 French degrees. Water above 180 ppm is generally considered hard.

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