WaterHard.uk

Is Northampton Water Hard or Soft?

Hard at 278 ppm • Northamptonshire, East Midlands

278 PPM 0 200 400
Hard

The average water hardness in Northampton is 278 ppm, classified as hard. Northampton is served by Anglian Water, covering 19 postcode districts across Northamptonshire in the East Midlands region.

Hardness varies across the area — see the table below for a breakdown by postcode district.

Water Hardness by Postcode in Northampton

Postcode Water Company Hardness PPM Level
NN9 Anglian Water
298 ppm
298 ppm Hard
NN29 Anglian Water
297 ppm
297 ppm Hard
NN8 Anglian Water
297 ppm
297 ppm Hard
NN7 Anglian Water
296 ppm
296 ppm Hard
NN6 Anglian Water
295 ppm
295 ppm Hard
NN5 Anglian Water
294 ppm
294 ppm Hard
NN4 Anglian Water
293 ppm
293 ppm Hard
NN3 Anglian Water
292 ppm
292 ppm Hard
NN2 Anglian Water
291 ppm
291 ppm Hard
NN1 Anglian Water
290 ppm
290 ppm Hard
NN18 Anglian Water
263 ppm
263 ppm Hard
NN17 Anglian Water
262 ppm
262 ppm Hard
NN16 Anglian Water
261 ppm
261 ppm Hard
NN15 Anglian Water
260 ppm
260 ppm Hard
NN14 Anglian Water
259 ppm
259 ppm Hard
NN13 Anglian Water
258 ppm
258 ppm Hard
NN12 Anglian Water
257 ppm
257 ppm Hard
NN11 Anglian Water
256 ppm
256 ppm Hard
NN10 Anglian Water
255 ppm
255 ppm Hard

Water Companies Serving Northampton

Anglian Water

Average hardness: 321 ppm (Very Hard) • 261 postcodes served

Water Hardness Guides

What Is Water Hardness? Effects Solutions Water Softeners Limescale Removal

Recommended Products for Northampton

Popular choices for households dealing with hard water in this area.

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.

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Philips AWP1775 Shower Filter

From ~£30

Quick win for skin and hair in hard water areas. Reduces chlorine and limescale — fits standard shower hoses in minutes, no tools needed. Cartridge lasts ~6 months.

View on Amazon

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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