WaterIs St Albans Water Hard or Soft?
Hard at 244 ppm • Hertfordshire, South East
The average water hardness in St Albans is 244 ppm, classified as hard. St Albans is served by Affinity Water, covering 10 postcode districts across Hertfordshire 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 St Albans
| Postcode | Water Company | Hardness | PPM | Level |
|---|---|---|---|---|
| AL10 | Affinity Water | 254 ppm | Hard | |
| AL9 | Affinity Water | 247 ppm | Hard | |
| AL8 | Affinity Water | 246 ppm | Hard | |
| AL7 | Affinity Water | 245 ppm | Hard | |
| AL6 | Affinity Water | 244 ppm | Hard | |
| AL5 | Affinity Water | 243 ppm | Hard | |
| AL4 | Affinity Water | 242 ppm | Hard | |
| AL3 | Affinity Water | 241 ppm | Hard | |
| AL2 | Affinity Water | 240 ppm | Hard | |
| AL1 | Affinity Water | 239 ppm | Hard |
Water Companies Serving St Albans
Water Hardness Guides
Recommended Products for St Albans
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.