WaterIs Wembley Water Hard or Soft?
Very Hard at 332 ppm • Greater London, London
The average water hardness in Wembley is 332 ppm, classified as very hard. Wembley is served by Thames Water, covering 10 postcode districts across Greater London in the London region.
Hardness varies across the area — see the table below for a breakdown by postcode district.
Water Hardness by Postcode in Wembley
| Postcode | Water Company | Hardness | PPM | Level |
|---|---|---|---|---|
| HA9 | Thames Water | 336 ppm | Very Hard | |
| HA8 | Thames Water | 335 ppm | Very Hard | |
| HA7 | Thames Water | 334 ppm | Very Hard | |
| HA6 | Thames Water | 333 ppm | Very Hard | |
| HA5 | Thames Water | 332 ppm | Very Hard | |
| HA4 | Thames Water | 331 ppm | Very Hard | |
| HA3 | Thames Water | 330 ppm | Very Hard | |
| HA2 | Thames Water | 329 ppm | Very Hard | |
| HA1 | Thames Water | 328 ppm | Very Hard | |
| HA0 | Thames Water | 327 ppm | Very Hard |
Water Companies Serving Wembley
Water Hardness Guides
Recommended Products for Wembley
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.