WaterIs Brighton Water Hard or Soft?
Hard at 271 ppm • East Sussex, South East
The average water hardness in Brighton is 271 ppm, classified as hard. Brighton is served by Southern Water, covering 30 postcode districts across East Sussex in the South East region.
Hardness varies across the area — see the table below for a breakdown by postcode district.
Water Hardness by Postcode in Brighton
| Postcode | Water Company | Hardness | PPM | Level |
|---|---|---|---|---|
| BN45 | Southern Water | 321 ppm | Very Hard | |
| BN44 | Southern Water | 320 ppm | Very Hard | |
| BN43 | Southern Water | 319 ppm | Very Hard | |
| BN42 | Southern Water | 318 ppm | Very Hard | |
| BN41 | Southern Water | 317 ppm | Very Hard | |
| BN9 | Southern Water | 317 ppm | Very Hard | |
| BN8 | Southern Water | 316 ppm | Very Hard | |
| BN7 | Southern Water | 315 ppm | Very Hard | |
| BN6 | Southern Water | 314 ppm | Very Hard | |
| BN5 | Southern Water | 313 ppm | Very Hard | |
| BN3 | Southern Water | 311 ppm | Very Hard | |
| BN2 | Southern Water | 310 ppm | Very Hard | |
| BN1 | Southern Water | 309 ppm | Very Hard | |
| BN27 | Southern Water | 257 ppm | Hard | |
| BN26 | Southern Water | 256 ppm | Hard | |
| BN25 | Southern Water | 255 ppm | Hard | |
| BN24 | Southern Water | 254 ppm | Hard | |
| BN23 | Southern Water | 253 ppm | Hard | |
| BN22 | Southern Water | 252 ppm | Hard | |
| BN21 | Southern Water | 251 ppm | Hard | |
| BN20 | Southern Water | 250 ppm | Hard | |
| BN18 | Southern Water | 225 ppm | Hard | |
| BN17 | Southern Water | 224 ppm | Hard | |
| BN16 | Southern Water | 223 ppm | Hard | |
| BN15 | Southern Water | 222 ppm | Hard | |
| BN14 | Southern Water | 221 ppm | Hard | |
| BN13 | Southern Water | 220 ppm | Hard | |
| BN12 | Southern Water | 219 ppm | Hard | |
| BN11 | Southern Water | 218 ppm | Hard | |
| BN10 | Southern Water | 217 ppm | Hard |
Water Companies Serving Brighton
Water Hardness Guides
Recommended Products for Brighton
Popular choices for households dealing with 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.