WaterIs Cambridge Water Hard or Soft?
Very Hard at 327 ppm • Cambridgeshire, East Of England
The average water hardness in Cambridge is 327 ppm, classified as very hard. Cambridge is served by Anglian Water, covering 16 postcode districts across Cambridgeshire in the East Of England region.
Hardness varies across the area — see the table below for a breakdown by postcode district.
Water Hardness by Postcode in Cambridge
| Postcode | Water Company | Hardness | PPM | Level |
|---|---|---|---|---|
| CB25 | Anglian Water | 373 ppm | Very Hard | |
| CB24 | Anglian Water | 372 ppm | Very Hard | |
| CB23 | Anglian Water | 371 ppm | Very Hard | |
| CB22 | Anglian Water | 370 ppm | Very Hard | |
| CB21 | Anglian Water | 369 ppm | Very Hard | |
| CB11 | Anglian Water | 336 ppm | Very Hard | |
| CB10 | Anglian Water | 335 ppm | Very Hard | |
| CB9 | Anglian Water | 305 ppm | Very Hard | |
| CB8 | Anglian Water | 304 ppm | Very Hard | |
| CB7 | Anglian Water | 303 ppm | Very Hard | |
| CB6 | Anglian Water | 302 ppm | Very Hard | |
| CB5 | Anglian Water | 301 ppm | Very Hard | |
| CB4 | Anglian Water | 300 ppm | Hard | |
| CB3 | Anglian Water | 299 ppm | Hard | |
| CB2 | Anglian Water | 298 ppm | Hard | |
| CB1 | Anglian Water | 297 ppm | Hard |
Water Companies Serving Cambridge
Water Hardness Guides
Recommended Products for Cambridge
Popular choices for households dealing with very hard water in this area.
Water2Buy W2B200 Water Softener
From ~£400Best-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.
View on AmazonPhilips AWP1775 Shower Filter
From ~£30Quick 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.
View on AmazonBRITA Marella Water Filter Jug
From ~£20UK's best-selling filter jug. Reduces limescale, chlorine, and metals for better-tasting tap water. Quick first step alongside a softener.
View on AmazonGet Water Hardness Updates
Be notified when your water company reports changes to hardness levels.