Gas

Emergency : 0800 111 999 (24 hours)

Electricity

Emergency  0845 770 8090. For non-emergency calls, see your bill.

Water (Supply)

Three Valleys Water

Operational enquiries (e.g. problems with your water supply) - 0845 782 3333
Operating hours: Monday - Friday 7am to 8pm. Saturday - Sunday 8am to 4pm
Metered bill enquiries: 0845 769 7985

Non-metered bill enquiries: 0845 769 7982
Operating  hours: Monday - Friday 8am to 6pm. Saturday - Sunday 8am to 2pm
Minicom: 01707 277 149 (This line is for customers who are deaf or hard of hearing)

Want a water meter hotline - 08451 489 289
Postal address: Three Valleys Water, PO Box 48, Hatfield, Hertfordshire.  AL10 9HL

Water (Sewerage and disposal)

Thames Water

Telephone: 0845 9200 800