Water Hardness in East Of England: Average 326 ppm

Water Hardness Across East Of England

The average water hardness in the East Of England region is 326 ppm, classified as very hard. Across 203 postcode districts, hardness ranges from 260 ppm to 394 ppm.

The region is served by Anglian Water. Water hardness varies by county — see the breakdown below or check your specific postcode.

At 326 ppm, East Of England ranks as very hard water nationally. Compare it against the 50 hardest water areas in the UK.

By county

Counties in East Of England

Sorted by hardness — see how your county compares.

County	Hardness	PPM	Level	Postcodes
Suffolk	352	352 ppm	Very Hard	33
Cambridgeshire	322	322 ppm	Very Hard	51
Essex	317	317 ppm	Very Hard	58
Norfolk	310	310 ppm	Very Hard	35
Bedfordshire	309	309 ppm	Very Hard	7
Hertfordshire	303	303 ppm	Very Hard	53

Suppliers

Water Companies in East Of England

Tap on a company for full coverage area and hardness data.

Anglian Water

321 ppm Very Hard

Recommended

Products for East Of England

Top picks for households in very hard water areas.

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.

View on Amazon

Philips Shower Filter

From ~£30

Instant improvement for skin and hair. Reduces chlorine and limescale at the showerhead, no plumbing needed. A good first step before committing to a full softener.

View on Amazon

FAQ

Common questions about East Of England water

Is East Of England's water hard or soft?

East Of England is classified as very hard water, averaging 326 ppm across 203 postcode districts. Expect visible limescale on kettles and taps within weeks at this level.

Is tap water in East Of England safe to drink?

Yes. All tap water in East Of England meets UK drinking water standards. Hardness affects taste and limescale buildup but not safety.

Why is water in East Of England very hard?

Water hardness in East Of England depends on the geology — chalk and limestone aquifers dissolve calcium and magnesium into the supply, making it harder. Areas with sandstone or granite tend to be softer.

Does hard water affect boilers in East Of England?

Over time, limescale acts as an insulator in heat exchangers, reducing efficiency by a few percentage points each year if untreated. A water softener can help protect your boiler.

What's the average water hardness in East Of England?

The average water hardness across East Of England is 326 ppm (parts per million), classified as very hard. It ranges from 260 ppm to 394 ppm across 203 postcode districts.

Get free water softener quotes

Tell us about your home and we will match you with quotes for softening your hard water. No obligation, takes under a minute.

Water hardness in East Of England