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Is Luton a hard water area?

Yes. Tap water across the LU postcode area is very hard, the top band on the scale water companies use, with a median of 289 mg/L calcium carbonate. It ranges from 235 mg/L in LU1 to 313 mg/L in LU3, from 7 districts with their own water company reading.

  1. Soft
  2. Moderately soft
  3. Slightly hard
  4. Very hard
Hardness in mg/L as calcium carbonate, the scale UK water companies report in.
Soft
0 to 60 mg/L
Moderately soft
60 to 120 mg/L
Slightly hard
120 to 180 mg/L
Hard
180 to 200 mg/L
Very hard
200 to 400 mg/L

Hardness by LU district

Hardest first. Hard starts at 180 mg/L, very hard at 250.

Districtmg/LHardness
LU3313very hard
LU6300very hard
LU7295very hard
LU4289very hard
LU5289very hard
LU2288very hard
LU1235hard

Softener quotes for Luton

At 289 mg/L most LU homes get their money back on a softener within a few years. Free quotes from installers covering your postcode, no obligation.

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Check your exact postcode

The area figure is a median. Your district can sit anywhere between 235 and 313 mg/L.

Nearby areas

Is Luton a hard water area?
Yes. The median hardness across LU postcode districts is 289 mg/L calcium carbonate, which is very hard. 100% of the 7 districts we hold readings for are hard or very hard (180 mg/L and above).
What is the water hardness in Luton?
Between 235 and 313 mg/L depending on the district, with a median of 289. The hardest measured district is LU3 at 313 mg/L and the softest is LU1 at 235. Figures come from water company drinking-water tests.
Do I need a water softener in Luton?
In most LU homes a softener pays for itself: at 289 mg/L kettles, boilers and showers scale up quickly. Check your own district first, because hardness varies from 235 to 313 within the area.

Hardness as mg/L calcium carbonate from water company drinking-water tests and postcode checkers. See the UK hardness map for every area.