What is the water hardness in Sunderland?

Between 148 and 470 mg/L depending on the district, with a median of 396. The hardest measured district is SR7 at 470 mg/L and the softest is SR5 at 148. Figures come from water company drinking-water tests.

Do I need a water softener in Sunderland?

In most SR homes a softener pays for itself: at 396 mg/L kettles, boilers and showers scale up quickly. Check your own district first, because hardness varies from 148 to 470 within the area.

Is Sunderland a hard water area?

Yes. Tap water across the SR postcode area is very hard, the top band on the scale water companies use, with a median of 396 mg/L calcium carbonate. It ranges from 148 mg/L in SR5 to 470 mg/L in SR7, from 8 districts with their own water company reading.

Soft
Moderately soft
Slightly hard
Hard
Very hard

Hardness in mg/L as calcium carbonate, the scale UK water companies report in.

Hardness by SR district

Hardest first. Hard starts at 180 mg/L, very hard at 250.

District	Area	mg/L	Hardness
SR7	County Durham	470	very hard
SR8	County Durham	470	very hard
SR6	Sunderland	413	very hard
SR2	Sunderland	413	very hard
SR3	Sunderland	378	very hard
SR4	Sunderland	378	very hard
SR1	Sunderland	308	very hard
SR5	Sunderland	148	moderately hard

Softener quotes for Sunderland

At 396 mg/L most SR homes get their money back on a softener within a few years. Free quotes from installers covering your postcode, no obligation.

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Check your exact postcode

The area figure is a median. Your district can sit anywhere between 148 and 470 mg/L.

Nearby areas

Is Sunderland a hard water area?: Yes. The median hardness across SR postcode districts is 396 mg/L calcium carbonate, which is very hard. 88% of the 8 districts we hold readings for are hard or very hard (180 mg/L and above).
What is the water hardness in Sunderland?: Between 148 and 470 mg/L depending on the district, with a median of 396. The hardest measured district is SR7 at 470 mg/L and the softest is SR5 at 148. Figures come from water company drinking-water tests.
Do I need a water softener in Sunderland?: In most SR homes a softener pays for itself: at 396 mg/L kettles, boilers and showers scale up quickly. Check your own district first, because hardness varies from 148 to 470 within the area.

Hardness as mg/L calcium carbonate from water company drinking-water tests and postcode checkers. See the UK hardness map for every area.