East Sussex · South East

Is Brighton water hard or soft?

Hard at 271 ppm · 30 postcode districts

  • Supplier Southern Water
  • County East Sussex
  • Postcodes 30
Area average
271
ppm CaCO₃
Hard
Soft
Moderate
Hard
Very hard
0100200300400+

The average water hardness in Brighton is 271 ppm, classified as hard. Brighton is served by Southern Water, covering 30 postcode districts across East Sussex in the South East region.

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

By postcode

Water Hardness by Postcode in Brighton

Sorted by hardness — tap a postcode for full details.

Postcode Water Company Hardness PPM Level
BN45 Southern Water
321
321 ppm Very Hard
BN44 Southern Water
320
320 ppm Very Hard
BN43 Southern Water
319
319 ppm Very Hard
BN42 Southern Water
318
318 ppm Very Hard
BN41 Southern Water
317
317 ppm Very Hard
BN9 Southern Water
317
317 ppm Very Hard
BN8 Southern Water
316
316 ppm Very Hard
BN7 Southern Water
315
315 ppm Very Hard
BN6 Southern Water
314
314 ppm Very Hard
BN5 Southern Water
313
313 ppm Very Hard
BN3 Southern Water
311
311 ppm Very Hard
BN2 Southern Water
310
310 ppm Very Hard
BN1 Southern Water
309
309 ppm Very Hard
BN27 Southern Water
257
257 ppm Hard
BN26 Southern Water
256
256 ppm Hard
BN25 Southern Water
255
255 ppm Hard
BN24 Southern Water
254
254 ppm Hard
BN23 Southern Water
253
253 ppm Hard
BN22 Southern Water
252
252 ppm Hard
BN21 Southern Water
251
251 ppm Hard
BN20 Southern Water
250
250 ppm Hard
BN18 Southern Water
225
225 ppm Hard
BN17 Southern Water
224
224 ppm Hard
BN16 Southern Water
223
223 ppm Hard
BN15 Southern Water
222
222 ppm Hard
BN14 Southern Water
221
221 ppm Hard
BN13 Southern Water
220
220 ppm Hard
BN12 Southern Water
219
219 ppm Hard
BN11 Southern Water
218
218 ppm Hard
BN10 Southern Water
217
217 ppm Hard
Suppliers

Water Companies Serving Brighton

Tap for full coverage area and hardness data.

Southern Water

263 ppm 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 Brighton

Popular choices for households dealing with 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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