WaterHard.uk

Water Hardness in EC4Y London

Supplied by Severn Trent Water • Greater London, London

0 200 400 254 ppm
Hard
254
ppm (mg/L CaCO₃)
17.8°
Clark Degrees
14.2°
German Degrees (dH)
25.4°
French Degrees (fH)

Water Hardness in London (EC4Y)

The water in postcode district EC4Y is classified as hard with a hardness level of 254 ppm (parts per million) calcium carbonate. This is 49 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 254 ppm, you may benefit from a water softener or filter to reduce limescale and improve water quality.

View Solutions Water Softener Guide

How EC4Y Compares

Area Hardness PPM
EC4Y London
254 ppm
254 ppm
UK National Average
205 ppm
205 ppm

Frequently Asked Questions

What is the water hardness in EC4Y London?
The water in EC4Y London has a hardness level of 254 ppm (parts per million) calcium carbonate, classified as hard. This is 49 ppm above the UK national average of 205 ppm.
Which water company supplies EC4Y?
EC4Y London is supplied by Severn Trent Water. Severn Trent Water serves the London region.
Is the water in EC4Y safe to drink?
Yes. Hard water at 254 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 EC4Y?
For hard water at 254 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 254 ppm water hardness mean?
254 ppm means there are 254 parts per million of calcium carbonate dissolved in the water. This is equivalent to 17.8 Clark degrees, 14.2 German degrees, or 25.4 French degrees. Water above 180 ppm is generally considered hard.

All postcodes in London • Severn Trent Water coverage • Hardest water areas • Softest water areas

Get updates for EC4Y

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