Water Hardness in Northamptonshire

Towns in Northamptonshire

Town	Avg Hardness	PPM	Level
Northampton	278 ppm	278 ppm	Hard

Water Companies in Northamptonshire

Anglian Water

Average: 321 ppm (Very Hard)

All Postcodes in Northamptonshire

Postcode	Town	Hardness	PPM	Level
NN9	Wellingborough	298 ppm	298 ppm	Hard
NN29	Wellingborough	297 ppm	297 ppm	Hard
NN8	Wellingborough	297 ppm	297 ppm	Hard
NN7	Northampton	296 ppm	296 ppm	Hard
NN6	Northampton	295 ppm	295 ppm	Hard
NN5	Northampton	294 ppm	294 ppm	Hard
NN4	Northampton	293 ppm	293 ppm	Hard
NN3	Northampton	292 ppm	292 ppm	Hard
NN2	Northampton	291 ppm	291 ppm	Hard
NN1	Northampton	290 ppm	290 ppm	Hard
NN18	Corby	263 ppm	263 ppm	Hard
NN17	Corby	262 ppm	262 ppm	Hard
NN16	Kettering	261 ppm	261 ppm	Hard
NN15	Kettering	260 ppm	260 ppm	Hard
NN14	Kettering	259 ppm	259 ppm	Hard
NN13	Brackley	258 ppm	258 ppm	Hard
NN12	Towcester	257 ppm	257 ppm	Hard
NN11	Daventry	256 ppm	256 ppm	Hard
NN10	Rushden	255 ppm	255 ppm	Hard

Recommended Products for Northamptonshire

Top picks for households in hard water areas across Northamptonshire.

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

Instant improvement for skin and hair. Reduces chlorine and limescale at the showerhead — no plumbing needed. A good first step before committing to a full softener.

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Hard Water Guides

Learn more about water hardness and how to manage it.

What Is Water Hardness? Hard Water Effects Solutions

All counties in East Midlands • Hardest water areas • Softest water areas • Hard water solutions

Water Hardness Across Northamptonshire