Wiltshire · South West

Is Swindon water hard or soft?

Hard at 182 ppm · 18 postcode districts

  • Supplier Wessex Water
  • County Wiltshire
  • Postcodes 18
Area average
182
ppm CaCO₃
Hard
Soft
Moderate
Hard
Very hard
0100200300400+

The average water hardness in Swindon is 182 ppm, classified as hard. Swindon is served by Wessex Water, covering 18 postcode districts across Wiltshire in the South West region.

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

By postcode

Water Hardness by Postcode in Swindon

Sorted by hardness — tap a postcode for full details.

Postcode Water Company Hardness PPM Level
SN9 Wessex Water
207
207 ppm Hard
SN8 Wessex Water
206
206 ppm Hard
SN7 Wessex Water
205
205 ppm Hard
SN6 Wessex Water
204
204 ppm Hard
SN5 Wessex Water
203
203 ppm Hard
SN4 Wessex Water
202
202 ppm Hard
SN3 Wessex Water
201
201 ppm Hard
SN2 Wessex Water
200
200 ppm Hard
SN1 Wessex Water
199
199 ppm Hard
SN26 Wessex Water
189
189 ppm Hard
SN25 Wessex Water
188
188 ppm Hard
SN16 Wessex Water
156
156 ppm Moderately Hard
SN15 Wessex Water
155
155 ppm Moderately Hard
SN14 Wessex Water
154
154 ppm Moderately Hard
SN13 Wessex Water
153
153 ppm Moderately Hard
SN12 Wessex Water
152
152 ppm Moderately Hard
SN11 Wessex Water
151
151 ppm Moderately Hard
SN10 Wessex Water
150
150 ppm Moderately Hard
Suppliers

Water Companies Serving Swindon

Tap for full coverage area and hardness data.

Wessex Water

231 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 Swindon

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.

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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.

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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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