Norfolk · East Of England

Is Norwich water hard or soft?

Very Hard at 310 ppm · 35 postcode districts

  • Supplier Anglian Water
  • County Norfolk
  • Postcodes 35
Area average
310
ppm CaCO₃
Very Hard
Soft
Moderate
Hard
Very hard
0100200300400+

The average water hardness in Norwich is 310 ppm, classified as very hard. Norwich is served by Anglian Water, covering 35 postcode districts across Norfolk in the East Of England region.

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

By postcode

Water Hardness by Postcode in Norwich

Sorted by hardness — tap a postcode for full details.

Postcode Water Company Hardness PPM Level
NR19 Anglian Water
392
392 ppm Very Hard
NR18 Anglian Water
391
391 ppm Very Hard
NR17 Anglian Water
390
390 ppm Very Hard
NR16 Anglian Water
389
389 ppm Very Hard
NR15 Anglian Water
388
388 ppm Very Hard
NR14 Anglian Water
387
387 ppm Very Hard
NR13 Anglian Water
386
386 ppm Very Hard
NR12 Anglian Water
385
385 ppm Very Hard
NR11 Anglian Water
384
384 ppm Very Hard
NR10 Anglian Water
383
383 ppm Very Hard
NR35 Anglian Water
303
303 ppm Very Hard
NR34 Anglian Water
302
302 ppm Very Hard
NR33 Anglian Water
301
301 ppm Very Hard
NR32 Anglian Water
300
300 ppm Hard
NR31 Anglian Water
299
299 ppm Hard
NR30 Anglian Water
298
298 ppm Hard
NR9 Anglian Water
279
279 ppm Hard
NR8 Anglian Water
278
278 ppm Hard
NR7 Anglian Water
277
277 ppm Hard
NR6 Anglian Water
276
276 ppm Hard
NR5 Anglian Water
275
275 ppm Hard
NR29 Anglian Water
274
274 ppm Hard
NR4 Anglian Water
274
274 ppm Hard
NR28 Anglian Water
273
273 ppm Hard
NR3 Anglian Water
273
273 ppm Hard
NR2 Anglian Water
272
272 ppm Hard
NR27 Anglian Water
272
272 ppm Hard
NR1 Anglian Water
271
271 ppm Hard
NR26 Anglian Water
271
271 ppm Hard
NR25 Anglian Water
270
270 ppm Hard
NR24 Anglian Water
269
269 ppm Hard
NR23 Anglian Water
268
268 ppm Hard
NR22 Anglian Water
267
267 ppm Hard
NR21 Anglian Water
266
266 ppm Hard
NR20 Anglian Water
265
265 ppm Hard
Suppliers

Water Companies Serving Norwich

Tap for full coverage area and hardness data.

Anglian Water

321 ppm Very Hard

Water Hardness Guides

Learn more about water hardness and how to manage it.

What Is Water Hardness? Effects Solutions Water Softeners Limescale Removal
Recommended

Products for Norwich

Popular choices for households dealing with very hard water.

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.

View on Amazon

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.

View on Amazon

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