West Midlands · West Midlands

Is Coventry water hard or soft?

Hard at 226 ppm · 24 postcode districts

Supplier Severn Trent Water
County West Midlands
Postcodes 24

Area average

226

ppm CaCO₃

Hard

Soft

Moderate

Hard

Very hard

0100200300400+

The average water hardness in Coventry is 226 ppm, classified as hard. Coventry is served by Severn Trent Water, covering 24 postcode districts across West Midlands in the West Midlands region.

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

By postcode

Water Hardness by Postcode in Coventry

Sorted by hardness — tap a postcode for full details.

Postcode	Water Company	Hardness	PPM	Level
CV13	Severn Trent Water	274	274 ppm	Hard
CV12	Severn Trent Water	273	273 ppm	Hard
CV11	Severn Trent Water	272	272 ppm	Hard
CV10	Severn Trent Water	271	271 ppm	Hard
CV9	Severn Trent Water	261	261 ppm	Hard
CV8	Severn Trent Water	260	260 ppm	Hard
CV7	Severn Trent Water	259	259 ppm	Hard
CV6	Severn Trent Water	258	258 ppm	Hard
CV5	Severn Trent Water	257	257 ppm	Hard
CV4	Severn Trent Water	256	256 ppm	Hard
CV3	Severn Trent Water	255	255 ppm	Hard
CV2	Severn Trent Water	254	254 ppm	Hard
CV1	Severn Trent Water	253	253 ppm	Hard
CV47	Severn Trent Water	226	226 ppm	Hard
CV37	Severn Trent Water	193	193 ppm	Hard
CV36	Severn Trent Water	192	192 ppm	Hard
CV35	Severn Trent Water	191	191 ppm	Hard
CV34	Severn Trent Water	190	190 ppm	Hard
CV33	Severn Trent Water	189	189 ppm	Hard
CV32	Severn Trent Water	188	188 ppm	Hard
CV31	Severn Trent Water	187	187 ppm	Hard
CV23	Severn Trent Water	156	156 ppm	Moderately Hard
CV22	Severn Trent Water	155	155 ppm	Moderately Hard
CV21	Severn Trent Water	154	154 ppm	Moderately Hard

Suppliers

Water Companies Serving Coventry

Tap for full coverage area and hardness data.

Severn Trent Water

222 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 Coventry

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.

View on Amazon

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.

View on Amazon

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.

View on Amazon

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.