6 Best Heating Engineers in Epsom for 2026

Epsom's mix of Victorian terraces near the town centre, 1930s semis around Stamford Green and newer developments towards Langley Vale means heating engineers here deal with a real range of setups. Older properties often still have cast iron radiators or awkward pipework tucked under suspended timber floors, while the newer builds out towards Ewell and Nonsuch tend to have combi boilers fitted in kitchen cupboards with limited access. A decent local engineer will know the difference between servicing a 20 year old back boiler in a Woodcote cottage and swapping out a modern system boiler in a new-build on the Hookfield estate, and pricing often reflects that complexity.

The businesses listed here are pulled from public business listings and ranked mainly by review rating and how many reviews they've built up, with a small boost given to those showing a working website and phone number. We check each firm's homepage to confirm heating engineering is genuinely what they do day to day, which stops general handymen or unrelated tradespeople slipping onto the page. Listings flagged as permanently closed get removed as part of that process. Where you spot a Trust Verified badge, that business has gone through our fuller check, covering trade qualifications and accreditations, public liability insurance, trading history, customer review history and registered company details. Our How We Verify page sets out exactly what that involves. Businesses without the badge haven't been through that process with us, so it's worth doing your own checks before you commit to any work.

Before booking, ask to see a Gas Safe registration card if the job involves gas appliances, and check the licence number matches what's on the card itself rather than just taking someone's word for it. Get written quotes from at least two or three engineers, especially for bigger jobs like a full boiler replacement or a system power flush, since prices can vary by a few hundred pounds between firms for the same work. Ask what warranty applies to parts and labour, whether they're registered with the boiler manufacturer for extended guarantees, and confirm in writing what happens if extra parts turn out to be needed once they've opened things up.

How We Select & Rate The Best Heating Engineers in Epsom

Rankings are driven mainly by review rating and review count from public business listings, with a small lift given to businesses that show a working website and phone number. We check each business's homepage to confirm heating engineering is genuinely their main line of work, and listings flagged as permanently closed are removed automatically. Businesses marked Trust Verified have gone through our full separate check covering trade qualifications and accreditations, public liability insurance, trading history, customer review history and registered company information; see our How We Verify page for the complete list. Other businesses on this page haven't been independently verified by us, and being listed isn't an endorsement. Always do your own checks before hiring anyone.

Recommended and Featured listings are paid placements, so a business's fee affects whether and where it appears. Every other listing is ranked on rating and review count from third-party business listings. How we rank & verify →

Quick Comparison: Heating Engineers in Epsom

#	Business	Rating	Reviews	Phone
1	Westflow Ltd	⭐ 5.0	101	07732 429 346	View →
2	J Ford Heating & Plumbing Services Ltd	⭐ 5.0	55	07585 009550	View →
3	The London Plumbing Co	⭐ 4.9	46	020 3621 4400	View →
4	Fuller Construction Ltd T/A Fuller Heating	⭐ 4.4	27	020 8 394 2776	View →
5	Hayward Heating & Plumbing LTD	⭐ 4.4	7	07838 138140	View →
6	Brian Hurst Plumbing and Heating	–	–	07831 621519	View →

Our Top Picks

Westflow Ltd

Not Verified

★★★★★ 5.0 (101 reviews)

Epsom 07732 429 346

Boiler installation and central heating work sits at the core of what Westflow Ltd offers residents across Epsom and the surrounding area. The company operates from the KT6 postcode, keeping its focus on a defined local patch rather than casting a wide net. No rating is listed, but the business maintains a public web presence at westflow.co.uk for those wanting to check scope of work before making contact.

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J Ford Heating & Plumbing Services Ltd

Not Verified

★★★★★ 5.0 (55 reviews)

Epsom 07585 009550

Rated 5.0 on Google, J Ford Heating & Plumbing Services Ltd carries a strong local reputation for heating and plumbing work in Epsom. The company covers installations, repairs, and servicing for residential customers. That consistent rating across reviews points to reliability in day-to-day work rather than a single standout project.

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The London Plumbing Co

Not Verified

★★★★★ 4.9 (46 reviews)

Epsom 020 3621 4400

Rated 4.9 out of 5, The London Plumbing Co has built a consistent record among residents in Epsom and the surrounding area. The company covers heating engineering work, from boiler installation and servicing through to general plumbing repairs. Its postcode base in KT19 places it well for calls across the borough of Epsom and Ewell.

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Fuller Construction Ltd T/A Fuller Heating

Not Verified

★★★★☆ 4.4 (27 reviews)

Epsom 020 8 394 2776

Rated 4.9 out of 5, Fuller Heating carries a strong reputation among Epsom residents for boiler installation, servicing, and general heating work. Operating under the Fuller Construction Ltd umbrella, the company covers domestic and commercial projects across the area. Its consistently high customer scores suggest reliable workmanship and straightforward communication rather than the usual trade ambiguity.

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Hayward Heating & Plumbing LTD

Not Verified

★★★★☆ 4.4 (7 reviews)

Epsom 07838 138140

Heating and plumbing services in Epsom and the surrounding Surrey area are the focus of Hayward Heating & Plumbing LTD, a local firm covering both residential and commercial work. The company handles boiler installation, servicing, and general plumbing repairs. Its postcode base of KT21 keeps the operation firmly rooted in the immediate locality, making it a practical choice for nearby residents and businesses.

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Brian Hurst Plumbing and Heating

Not Verified

☆☆☆☆☆ No reviews yet New

Epsom 07831 621519

Boiler installation, servicing, and central heating work form the core of this Epsom-based sole trader operation. Brian Hurst Plumbing and Heating covers domestic properties across the surrounding area, with the KT5 postcode sitting at the heart of the service patch. The business runs as a direct, single-tradesperson setup rather than a larger contracting firm.

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Transparency notice: Recommended and Featured listings are paid placements, so a business's fee affects whether and where it appears. All other listings are ranked by a combined score drawn from ratings and review counts published on third-party business listings, plus basic completeness signals such as a working website and phone. A Trust Verified badge means we have independently checked that business's documents; businesses without it have not been independently verified by us. How we verify →

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Frequently Asked Questions

How much does a heating engineer cost in Epsom?

A standard annual boiler service typically runs £70 to £110, while a call-out to diagnose a fault often starts around £60 to £90 for the first hour. A full combi boiler replacement in a typical Epsom terrace or semi usually falls between £1,800 and £3,200 depending on the make and whether pipework needs altering. Bigger jobs, like moving a boiler to a new location or fitting a full central heating system in an older property, can run well beyond that. Prices vary a fair bit between firms, so getting two or three quotes for anything beyond a basic service is worth the extra day or two it takes.

Do I need a Gas Safe registered engineer for boiler work in Epsom?

Yes, if the work involves a gas boiler, gas fire or any gas appliance, the engineer must be Gas Safe registered by law. Ask to see their Gas Safe ID card before work starts and check the back of the card for what categories of work they're actually qualified to carry out, since not every registered engineer covers every type of appliance. Non-gas heating work, like fitting an electric boiler or unvented cylinder, doesn't require Gas Safe registration but usually needs other accreditations, so it's worth asking what applies to your specific job.

How long does a boiler installation take?

A straightforward like-for-like combi boiler swap usually takes one working day, sometimes finishing by early afternoon if access is good. If the new boiler needs relocating, or if your Epsom property has older pipework that needs updating to suit a modern system, it can stretch to two or three days. Converting from a heat-only system with a tank in the loft to a combi setup is a bigger job again, often taking two to four days depending on how much pipework runs through the property.

What's the difference between a combi, system and heat-only boiler?

A combi boiler heats water on demand and doesn't need a tank, which suits smaller properties like flats near Epsom Common or terraces with limited loft space. A system boiler works with a hot water cylinder but doesn't need a separate cold water tank, useful where several bathrooms need decent water pressure at once. A heat-only (or conventional) boiler needs both a cylinder and a loft tank, and you'll still find these in some of the older Victorian and Edwardian houses around Epsom Downs that haven't been updated. An engineer can advise which suits your household size and existing pipework during a survey.

Why has my boiler pressure dropped and do I need an engineer?

Low boiler pressure is often caused by a small leak somewhere in the system, a recently bled radiator, or a faulty pressure relief valve, and topping it up yourself via the filling loop is usually safe if you know how. If the pressure keeps dropping again within a few days, that points to a leak or fault that needs a proper look, rather than something you should keep topping up repeatedly. It's worth checking under radiators, around pipe joints and near the boiler itself for damp patches before calling anyone out, since spotting the leak yourself can save some diagnostic time and cost.

How do I check a heating engineer in Epsom is worth hiring?

Ask to see their Gas Safe card in person and note the licence number so you can check it independently on the Gas Safe Register website. Look at how many recent reviews they have on public listings rather than just the star rating, since a handful of old reviews tells you less than a steady stream of recent ones. Ask for proof of public liability insurance and, for bigger jobs, ask for two or three references from work they've done nearby in the last year or two. Get any quote in writing before work starts, including what's covered under warranty, and be wary of anyone unwilling to put pricing down on paper.

6 Best Heating Engineers in Epsom for 2026

Quick Comparison: Heating Engineers in Epsom

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