Ready to get a free quote?

We're a small, local team — when you call, you speak directly to an engineer who can help. No call centres, no waiting on hold.

Call Us for a Free No-Obligation Quote

Mon–Fri 9am–6pm, emergency cover Saturdays. Breakdowns attended within 24 hours.

Contact & Location Details

Opening Hours

Mon–Fri 9:00am – 6:00pm
Emergency cover Saturdays

Service Area

Winchester, Hampshire & surrounding counties

Our Accreditations

Gas Safe Registered Legally qualified to work on gas appliances in the UK. Your safety is guaranteed.
OFTEC Registered Qualified to service and install oil heating equipment to industry standards.
Worcester Accredited Installer Approved by Worcester Bosch — qualifying you for extended manufacturer warranties.

Service Area

Winchester • Andover • Basingstoke • Romsey • Eastleigh • Alresford • Stockbridge • Surrounding Hampshire & counties

What to Expect When You Call

We keep things simple, honest, and hassle-free from the first phone call.

You Speak to an Engineer

No call centres, no chatbots. When you call Heatsource, you speak directly to John or Ben — people who know what they're talking about.

Free, No-Pressure Quote

We'll give you a clear, honest quote with no obligation to proceed. No upselling, no unnecessary extras — just a fair price for a proper job.

Fast Response

We attend to breakdowns within 24 hours. For planned work, we'll arrange a time that suits you — and we'll actually show up when we say we will.