Gloucestershire · South West

Is Gloucester water hard or soft?

Hard at 233 ppm · 27 postcode districts

  • Supplier Wessex Water
  • County Gloucestershire
  • Postcodes 27
Area average
233
ppm CaCO₃
Hard
Soft
Moderate
Hard
Very hard
0100200300400+

Gloucester water hardness at a glance

  1. Gloucester water is hard, averaging 233 ppm across 27 postcode districts.
  2. That is 26 ppm above the UK average of 207 ppm.
  3. The hardest district is GL20 at 282 ppm; the softest is GL1 at 202 ppm.
  4. The supplier is Wessex Water.
  5. Expect limescale on kettles, taps and showerheads; see the water softener guide for sizing and costs.

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The average water hardness in Gloucester is 233 ppm, classified as hard. Gloucester is served by Wessex Water, covering 27 postcode districts across Gloucestershire in the South West region.

Hardness varies across the area. See the table below for a breakdown by postcode district. GL20 has the hardest water at 282 ppm, while GL1 is the softest at 202 ppm.

By postcode

Water Hardness by Postcode in Gloucester

Sorted by hardness. Tap a postcode for full details.

Postcode Water Company Hardness PPM Level
GL20 Wessex Water
282
282 ppm Hard
GL19 Wessex Water
258
258 ppm Hard
GL18 Wessex Water
257
257 ppm Hard
GL17 Wessex Water
256
256 ppm Hard
GL16 Wessex Water
255
255 ppm Hard
GL15 Wessex Water
254
254 ppm Hard
GL14 Wessex Water
253
253 ppm Hard
GL13 Wessex Water
252
252 ppm Hard
GL12 Wessex Water
251
251 ppm Hard
GL11 Wessex Water
250
250 ppm Hard
GL10 Wessex Water
249
249 ppm Hard
GL56 Wessex Water
236
236 ppm Hard
GL55 Wessex Water
235
235 ppm Hard
GL54 Wessex Water
234
234 ppm Hard
GL53 Wessex Water
233
233 ppm Hard
GL52 Wessex Water
232
232 ppm Hard
GL51 Wessex Water
231
231 ppm Hard
GL50 Wessex Water
230
230 ppm Hard
GL9 Wessex Water
210
210 ppm Hard
GL8 Wessex Water
209
209 ppm Hard
GL7 Wessex Water
208
208 ppm Hard
GL6 Wessex Water
207
207 ppm Hard
GL5 Wessex Water
206
206 ppm Hard
GL4 Wessex Water
205
205 ppm Hard
GL3 Wessex Water
204
204 ppm Hard
GL2 Wessex Water
203
203 ppm Hard
GL1 Wessex Water
202
202 ppm Hard
Suppliers

Water Companies Serving Gloucester

Tap for full coverage area and hardness data.

Wessex Water

231 ppm Hard

Each water company publishes its own hardness data, so you can cross-check the Gloucester figures here against the published hardness data from Wessex Water.

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 Gloucester

Popular choices for households dealing with hard water.

Splendid Twin Tank Water Softener

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

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

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 Gloucester water

Is Gloucester water hard or soft?
Gloucester is classified as hard, averaging 233 ppm across 27 postcode districts. Expect visible limescale on kettles and taps within weeks at this level.
Which postcode in Gloucester has the hardest water?
GL20 has the hardest water in Gloucester at 282 ppm, while GL1 is the softest at 202 ppm. See the full table above for every district.
Which water company supplies Gloucester?
Gloucester is supplied by Wessex Water, covering 27 postcode districts across Gloucestershire.
Is tap water in Gloucester safe to drink?
Hardness is not a safety issue: the World Health Organization sets no health-based limit for water hardness, so hard and soft water are both fine to drink. Drinking water quality is regulated by the Drinking Water Inspectorate in England and Wales and the Drinking Water Quality Regulator in Scotland, and your water company publishes test results for your area.
Do I need a water softener in Gloucester?
At 233 ppm, many households in Gloucester 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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