6 Best Heating Engineers in Middlesbrough for 2026

Middlesbrough's housing stretches from Victorian terraces around Linthorpe to postwar semis in Acklam and newer estates out towards Coulby Newham, and that mix throws up all sorts of heating jobs. Older properties often still have combi conversions bolted onto original cast iron radiators, while other homes are on their second or third boiler since the 1970s. A decent heating engineer needs to know how to work with older gravity-fed systems as much as modern condensing combis, and with the town's exposed spots near the Tees getting a proper battering in winter, a lot of call-outs here are emergency ones when a boiler packs in on the coldest night of the year.

The businesses on this page 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 read through each business's homepage to check that heating engineering is genuinely what they do day to day, which stops general builders or unrelated trades sneaking onto a list like this. Any listing flagged as permanently closed gets removed as part of that process. Where a business carries a Trust Verified badge, it means they've gone through our fuller check, covering trade qualifications and accreditations, public liability insurance, trading history, customer review history and registered company information (our How We Verify page sets out exactly what that involves). For any business without that badge, those checks haven't been done by us, so it's down to you to look into them before booking.

Before agreeing to any work, ask to see a Gas Safe registration card and check the licence number against the ID number online rather than just taking it at face value. Get a written quote that breaks down parts and labour, and ask what the call-out charge covers if the job turns out more complicated than expected. For boiler installations, confirm whether the price includes a flush of the system and a benchmark commissioning certificate, since both matter for warranty claims later. It's worth getting two or three quotes on anything above a straightforward repair, as prices for the same job can vary by a few hundred pounds between firms in the same postcode.

How We Select & Rate The Best Heating Engineers in Middlesbrough

Rankings are based on review rating and review count from public business listings, with a small lift given to businesses showing a working website and phone number. We check each business's homepage to confirm heating engineering work is what they primarily offer, which keeps unrelated trades off this page. Listings flagged as permanently closed are removed automatically. Businesses marked Trust Verified have gone through our fuller verification, 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 full detail. Other businesses haven't been independently verified by us, and appearing on this page isn't an endorsement, so do your own checks before hiring.

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 Middlesbrough

#	Business	Rating	Reviews	Phone
1	Boiler Doctor Middlesbrough	⭐ 5.0	137	07877 599030	View →
2	5 Star Gas	⭐ 5.0	17	07478 998257	View →
3	Tom Leonard Heating Services	⭐ 5.0	5	07727182675	View →
4	Nigel Stoves Plumbing And Heating Limited	⭐ 4.4	13	01642588864	View →
5	Matt Grange Gas & Oil Heating Services	⭐ 5.0	2	07773 786865	View →
6	Nick Plumb Trading As Aspect Heating & Plumbing and Aspect Property Services	–	–	07572209888	View →

Our Top Picks

Boiler Doctor Middlesbrough

Not Verified

★★★★★ 5.0 (137 reviews)

Middlesbrough 07877 599030

Households and commercial premises across Middlesbrough turn to Boiler Doctor for gas engineering work, including boiler installation, servicing, and repairs. The company holds a 5.0 rating from 137 Google reviews, a consistent record across a substantial number of customers. Operating from TS5 6EF, it covers the local area with Gas Safe registered engineers.

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5 Star Gas

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★★★★★ 5.0 (17 reviews)

Middlesbrough 07478 998257

Residential and commercial properties across Middlesbrough are served by 5 Star Gas, a local gas engineering firm covering installations, servicing, and repairs. The business holds a perfect 5.0 rating from its Google reviewers, suggesting consistent reliability across its work. TS7 8RE serves as its base for callouts throughout the area.

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Tom Leonard Heating Services

Not Verified

★★★★★ 5.0 (5 reviews)

Middlesbrough 07727182675

Rated 5.0 stars across verified reviews, Tom Leonard Heating Services carries a consistent record of customer satisfaction in Middlesbrough and the surrounding area. The company covers domestic heating engineering, including boiler installation, servicing, and repairs. Its TS15 postcode places it well for households across the Teesside region seeking a local, independently run engineer.

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Nigel Stoves Plumbing And Heating Limited

Not Verified

★★★★☆ 4.4 (13 reviews)

Middlesbrough 01642588864

Heating engineers serving Middlesbrough and the surrounding area, Nigel Stoves Plumbing And Heating Limited covers the installation, repair and maintenance of domestic heating systems. The company operates under the TS18 postcode, placing it well for reaching clients across Teesside. Its focused scope keeps the work straightforward, from boiler servicing to plumbing repairs.

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Matt Grange Gas & Oil Heating Services

Not Verified

★★★★★ 5.0 (2 reviews)

Middlesbrough 07773 786865

Gas and oil heating installations, servicing, and repairs are the core work at Matt Grange Gas & Oil Heating Services, a Middlesbrough-based contractor covering domestic and commercial properties. The business handles both fuel types under one roof, which suits customers switching from gas to oil or managing mixed-fuel systems. Enquiries and bookings are handled through mattgrange.co.uk.

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Nick Plumb Trading As Aspect Heating & Plumbing and Aspect Property Services

Not Verified

☆☆☆☆☆ No reviews yet New

Middlesbrough 07572209888

Aspect Heating and Plumbing is a Middlesbrough-based heating engineer serving residential and commercial properties across Teesside. Operating under the wider Aspect Property Services banner, the business covers both heating installation and plumbing work from a single point of contact. Further details on services and coverage are available at aspectservices.co.uk.

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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 Middlesbrough?

A standard annual boiler service usually runs between £60 and £90, while a straightforward repair like a faulty pump or PCB replacement tends to land between £150 and £350 depending on parts. A full boiler swap on a like-for-like basis typically costs £1,800 to £3,000, rising if pipework needs rerouting or the flue position changes. Emergency call-outs, especially evenings or weekends, often carry an extra £30 to £60 on top. Getting two or three quotes for anything beyond a small repair is normal practice and can highlight a big difference in price for the same job.

How long does a boiler installation take?

A like-for-like combi swap in a similar location usually takes a single day, sometimes finishing by early afternoon if access is straightforward. Moving the boiler to a new spot, converting from a system boiler to a combi, or dealing with old copper pipework that needs replacing can push the job to two or three days. Ask upfront whether the quote assumes a straight swap, since anything unusual with your existing setup, like an airing cupboard cylinder that needs removing, adds time.

Do I need a new boiler or just a repair?

If your boiler is under ten years old and the fault is a single part failure, like a diverter valve or thermostat, repair is usually the cheaper route. Once a boiler's past 12 to 15 years old, or you're calling an engineer out more than once a year, it's often more cost-effective long term to replace it, particularly with efficiency gains on newer models cutting gas bills. A good engineer should give you an honest view on this rather than pushing straight to a replacement, so ask them to explain their reasoning rather than just quoting a price.

What should be included in a boiler service?

A proper service includes checking the flue for safe operation, testing gas pressure and flow rate, inspecting the heat exchanger and condensate pipe for blockages, and checking the pressure relief valve and system pressure. The engineer should also visually check pipework and the flame picture inside the boiler. You should be given a written record afterwards, and for landlords, this needs to be a proper Gas Safety Record rather than just a verbal confirmation that everything's fine.

Can a heating engineer help with cold radiators or poor heating performance?

Yes, and it's often not the boiler at fault. Cold patches at the top of a radiator usually mean trapped air and need bleeding, while cold at the bottom points to sludge build-up, which may need a power flush costing roughly £300 to £600 depending on the number of radiators. An engineer can also check whether your system needs a magnetic filter fitted near the boiler to catch debris before it causes bigger problems, which is a relatively cheap fix at £100 to £150 fitted.

How do I choose between heating engineers in Middlesbrough?

Check the Gas Safe register yourself using the engineer's licence number before booking anything, since this confirms they're legally allowed to work on gas appliances. Look through recent reviews rather than just the overall star rating, as patterns around punctuality or tidiness tend to show up in the detail. Ask for proof of public liability insurance and, if it's a bigger job like a full installation, ask whether they offer a workmanship guarantee separate from the manufacturer's warranty. Getting a written quote rather than a verbal estimate protects you if there's a dispute later, and it's sensible to confirm who to contact if something goes wrong shortly after the job's finished.

6 Best Heating Engineers in Middlesbrough for 2026

Quick Comparison: Heating Engineers in Middlesbrough

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