GUIDE

UK Water Hardness: How to Check Your Area

Water hardness is usually reported by your local water company. Knowing your band helps you choose sensible descaling and treatment routines.

Where to look

Start with your water supplier’s postcode checker or published quality report. Search for terms such as hardness, calcium, or total hardness.

Understanding the result

Suppliers may use words such as soft, moderately soft, slightly hard, hard, or very hard. Some publish milligrams per litre as calcium carbonate, while others use degrees of hardness.

Why it matters

Harder water generally means more visible scale and more frequent cleaning. It does not automatically mean the water is unsafe.

Use the Limescale Logic tools and compare practical options for your home.