Kent · South East

Is Tunbridge Wells water hard or soft?

Hard at 253 ppm · 40 postcode districts

  • Supplier Southern Water
  • County Kent
  • Postcodes 40
Area average
253
ppm CaCO₃
Hard
Soft
Moderate
Hard
Very hard
0100200300400+

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The average water hardness in Tunbridge Wells is 253 ppm, classified as hard. Tunbridge Wells is served by Southern Water, covering 40 postcode districts across Kent in the South East region.

Hardness varies across the area — see the table below for a breakdown by postcode district. TN10 has the hardest water at 350 ppm, while TN11 is the softest at 200 ppm.

By postcode

Water Hardness by Postcode in Tunbridge Wells

Sorted by hardness — tap a postcode for full details.

Postcode Water Company Hardness PPM Level
TN10 Southern Water
350
350 ppm Very Hard
TN40 Southern Water
298
298 ppm Hard
TN9 Southern Water
289
289 ppm Hard
TN8 Southern Water
288
288 ppm Hard
TN7 Southern Water
287
287 ppm Hard
TN6 Southern Water
286
286 ppm Hard
TN5 Southern Water
285
285 ppm Hard
TN4 Southern Water
284
284 ppm Hard
TN3 Southern Water
283
283 ppm Hard
TN2 Southern Water
282
282 ppm Hard
TN1 Southern Water
281
281 ppm Hard
TN39 Southern Water
274
274 ppm Hard
TN38 Southern Water
273
273 ppm Hard
TN37 Southern Water
272
272 ppm Hard
TN36 Southern Water
271
271 ppm Hard
TN35 Southern Water
270
270 ppm Hard
TN34 Southern Water
269
269 ppm Hard
TN33 Southern Water
268
268 ppm Hard
TN32 Southern Water
267
267 ppm Hard
TN31 Southern Water
266
266 ppm Hard
TN30 Southern Water
265
265 ppm Hard
TN29 Southern Water
241
241 ppm Hard
TN28 Southern Water
240
240 ppm Hard
TN27 Southern Water
239
239 ppm Hard
TN26 Southern Water
238
238 ppm Hard
TN25 Southern Water
237
237 ppm Hard
TN24 Southern Water
236
236 ppm Hard
TN23 Southern Water
235
235 ppm Hard
TN22 Southern Water
234
234 ppm Hard
TN21 Southern Water
233
233 ppm Hard
TN20 Southern Water
232
232 ppm Hard
TN19 Southern Water
208
208 ppm Hard
TN18 Southern Water
207
207 ppm Hard
TN17 Southern Water
206
206 ppm Hard
TN16 Southern Water
205
205 ppm Hard
TN15 Southern Water
204
204 ppm Hard
TN14 Southern Water
203
203 ppm Hard
TN13 Southern Water
202
202 ppm Hard
TN12 Southern Water
201
201 ppm Hard
TN11 Southern Water
200
200 ppm Hard
Suppliers

Water Companies Serving Tunbridge Wells

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 Tunbridge Wells

Popular choices for households dealing with hard water.

Splendid Twin Tank Water Softener

From ~£400

Twin-tank electric softener sized for 1 to 7 bedroom homes. Removes limescale from pipes, boilers, and appliances and delivers continuous soft water, with metered regeneration to keep salt use low.

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Philips 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 around 6 months.

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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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FAQ

Common questions about Tunbridge Wells water

Is Tunbridge Wells water hard or soft?
Tunbridge Wells is classified as hard, averaging 253 ppm across 40 postcode districts. Expect visible limescale on kettles and taps within weeks at this level.
Which postcode in Tunbridge Wells has the hardest water?
TN10 has the hardest water in Tunbridge Wells at 350 ppm, while TN11 is the softest at 200 ppm. See the full table above for every district.
Which water company supplies Tunbridge Wells?
Tunbridge Wells is supplied by Southern Water, covering 40 postcode districts across Kent.
Is tap water in Tunbridge Wells safe to drink?
Yes. All tap water in Tunbridge Wells meets UK drinking water standards. Hardness affects taste and limescale buildup but not safety.
Do I need a water softener in Tunbridge Wells?
At 253 ppm, many households in Tunbridge Wells notice limescale in kettles and showerheads within weeks. A shower filter is the cheapest first step; a whole-house softener gives the most complete protection.
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