WaterHard.uk

Water Hardness in DA11 Gravesend

Supplied by Thames Water • Greater London, London

255 PPM 0 200 400
Hard
255
ppm (mg/L CaCO₃)
17.8°
Clark Degrees
14.3°
German Degrees (dH)
25.5°
French Degrees (fH)

Water Hardness in Gravesend (DA11)

The water in postcode district DA11 is classified as hard with a hardness level of 255 ppm (parts per million) calcium carbonate. This is 48 ppm above the UK national average of 207 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 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 Gravesend

At 255 ppm, you may benefit from a water softener or filter to reduce limescale and improve water quality.

View Solutions Water Softener Guide

Water2Buy W2B200 Water Softener

From ~£400

Best-value whole-house ion-exchange softener for UK homes. Eliminates limescale from pipes, boilers, and appliances. Digital metered regeneration — low salt use. 7-year warranty, suits 1–4 people.

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Philips AWP1775 Shower Filter

From ~£30

Instant improvement for skin and hair. Reduces chlorine and limescale at the showerhead — no plumbing needed. KDF filtration, cartridge lasts ~6 months. A great first step in a hard water area.

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BRITA Marella Water Filter Jug

From ~£20

UK's best-selling filter jug. Reduces limescale, chlorine, and metals for better-tasting tap water. Quick first step alongside a softener.

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How DA11 Compares

Area Hardness PPM
DA11 Gravesend
255 ppm
255 ppm
UK National Average
207 ppm
207 ppm

Nearby Areas

DA10
Swanscombe
254 ppm
DA12
Gravesend
256 ppm
DA13
Gravesend
257 ppm

Frequently Asked Questions

What is the water hardness in DA11 Gravesend?
The water in DA11 Gravesend has a hardness level of 255 ppm (parts per million) calcium carbonate, classified as hard. This is 48 ppm above the UK national average of 207 ppm.
Which water company supplies DA11?
DA11 Gravesend is supplied by Thames Water. Thames Water serves the London region.
Is the water in DA11 safe to drink?
Yes. Hard water at 255 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 DA11?
For hard water at 255 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 255 ppm water hardness mean?
255 ppm means there are 255 parts per million of calcium carbonate dissolved in the water. This is equivalent to 17.8 Clark degrees, 14.3 German degrees, or 25.5 French degrees. Water above 180 ppm is generally considered hard.

Learn More

All postcodes in Gravesend Thames Water coverage Hard water effects on your home Solutions for hard water

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