10 Best Heating Engineers in Oxford for 2026

🔥 10 businesses · 📍 Oxford
✓ Reviewed regularly · ✓ Updated 24 August 2026
Mark Reid
Written by Mark Reid, Trades Editor · Verified 24 August 2026
Oxford's mix of housing throws up more variety than most cities its size. You've got Victorian terraces in Jericho with original chimney breasts and awkward pipe runs, 1930s semis out in Headington with back boilers long overdue replacement, and newer builds around Grandpont or Barton with combi systems that just need an annual service. Add in the older stone-built properties near Iffley and Cowley that were never designed with central heating in mind, and it's easy to see why a heating engineer who knows the area's quirks, hard water from the local supply included, saves you time and money. Limescale build-up in pipework and heat exchangers is a genuine issue here, so anyone servicing your boiler regularly should already know to check for it.
How We Select & Rate The Best Heating Engineers in Oxford

Businesses on this page are pulled from public business listings and ranked mainly by review rating and review count, with a small boost for those showing a working website and phone number. We check each business's homepage to confirm heating engineering is genuinely what they do, which keeps unrelated trades off the list, and we remove any listings flagged as permanently closed. Where a business carries a Trust Verified badge, it's been 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 details). Businesses without that badge haven't been independently verified by us, 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 Oxford

# Business Rating Reviews Phone
1 Oxtech Facilities Ltd ⭐ 5.0 581 01865 602994 View →
2 Oxford Gas Maintenance ⭐ 4.9 295 01865 362801 View →
3 AGM Plumbing and Heating Ltd ⭐ 4.8 158 01865 817611 View →
4 HYSA Plumbing & Heating Ltd ⭐ 5.0 103 07454 683005 View →
5 S B Heating & Plumbing Services ⭐ 4.9 74 07846 542966 View →
6 Scion Plumbing & Heating ⭐ 5.0 57 01865 580908 View →
7 DT Heating Oxford ⭐ 5.0 39 07845 170463 View →
8 aqueco ltd ⭐ 5.0 11 07791 131850 View →
9 XK Engineers ⭐ 5.0 4 07554 442001 View →
10 plumbing and heating engineer ⭐ 4.0 20 07863 358293 View →

Our Top Picks

1
Oxtech Facilities Ltd
Not Verified
5.0 (581 reviews)
Oxford 01865 602994

Rated 5.0 from 512 Google reviews, Oxtech Facilities Ltd is a gas engineering firm based in Oxford serving residential and commercial clients. The volume of reviews alongside a perfect score points to consistent reliability across a broad customer base. The company operates in the OX4 6NG area and beyond.

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2
Oxford Gas Maintenance
Not Verified
4.9 (295 reviews)
Oxford 01865 362801

Oxford Gas Maintenance is a heating engineering firm operating in the OX4 area, handling boiler servicing, repairs and gas safety checks for homes across Oxford. Its 4.9 rating from 295 reviews points to consistent workmanship over a large volume of jobs, rather than a handful of isolated cases.

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3
AGM Plumbing and Heating Ltd
Not Verified
4.8 (158 reviews)
Oxford 01865 817611

Families across Oxford rely on AGM Plumbing and Heating Ltd for boiler repairs, servicing and central heating work, particularly during the colder months when a reliable system matters most. The firm has built a solid reputation locally, reflected in a 4.8 rating from 158 reviews. Its OX2 base allows for prompt call-outs to households throughout the surrounding area.

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4
HYSA Plumbing & Heating Ltd
Not Verified
5.0 (103 reviews)
Oxford 07454 683005

HYSA Plumbing & Heating Ltd works as a heating engineer covering Oxford, handling boiler installations, repairs and general plumbing work. The firm has built up a strong record with local customers, reflected in a five star rating from 103 reviews. Enquiries can be made through its website for jobs across the city.

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5
S B Heating & Plumbing Services
Not Verified
4.9 (74 reviews)
Oxford 07846 542966

A 4.9 rating from 74 reviews points to consistent workmanship at S B Heating & Plumbing Services, based in Oxford. The firm covers heating installation and repair, working across boilers and central heating systems for domestic clients in the OX4 area. That volume of feedback suggests reliability built up over repeated jobs rather than a single strong impression.

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6
Scion Plumbing & Heating
Not Verified
5.0 (57 reviews)
Oxford 01865 580908

A five-star average across 57 reviews points to consistent workmanship at Scion Plumbing & Heating, an Oxford-based firm covering boiler and heating system work. Customers repeatedly note punctuality and clear communication, qualities that matter when a breakdown needs sorting quickly. The company handles installations, repairs and servicing for domestic heating systems across the city.

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7
DT Heating Oxford
Not Verified
5.0 (39 reviews)
Oxford 07845 170463

DT Heating Oxford is a gas engineering firm serving the Oxford area, covering boiler installation, servicing, and repairs. With a 5.0 rating across 39 Google reviews, the company has built a consistent record among local residents. All work is carried out to Gas Safe standards, making it a practical first call for domestic heating and gas safety concerns.

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8
aqueco ltd
Not Verified
5.0 (11 reviews)
Oxford 07791 131850

Oxford households needing boiler repairs or heating system work can call on Aqueco Ltd, whose services cover the OX2 area. The firm has built a small but consistent reputation locally, holding a 5-star rating from eleven reviews. Its focus stays on domestic heating rather than broader building work.

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9
XK Engineers
Not Verified
5.0 (4 reviews)
Oxford 07554 442001

A boiler that won't fire up on a cold morning, or a landlord needing a gas safety certificate before new tenants move in, are typical reasons Oxford residents call XK Engineers. Based in the OX3 area, the firm handles installations, servicing and repairs across household and rental heating systems.

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10
plumbing and heating engineer
Not Verified
4.0 (20 reviews)
Oxford 07863 358293

Gas engineering and plumbing services covering Oxford and the surrounding area, this OX4-based sole trader handles boiler installation, servicing, and general heating work for residential customers. A Google rating of 4.0 from 20 reviews reflects a consistent local reputation. The business operates under the Gas Safe Register, a legal requirement for anyone carrying out gas work in the 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 Oxford?
A standard boiler service typically runs from £70 to £120, while a full boiler swap (like-for-like combi replacement) tends to sit between £1,800 and £3,200 depending on the make and whether extra pipework or a new flue is needed. Diagnosing a fault and fixing something like a faulty pump or PCB might cost £150 to £350 including parts. Bigger jobs, such as moving a boiler to a different room or converting from a system boiler to a combi, can run £3,500 upwards once you factor in additional radiators or a new hot water cylinder removal. Prices vary depending on the engineer's overheads and how far they're travelling, so getting two or three quotes before committing is sensible, especially for anything over a few hundred pounds.
How often should I get my boiler serviced?
Once a year is the standard advice, ideally before the colder months hit in autumn. Most manufacturers require an annual service to keep the warranty valid, so skipping it can catch you out if something goes wrong later. It also gives the engineer a chance to check the flue, pressure, and any signs of corrosion before they turn into bigger problems.
Do I need a Gas Safe registered engineer for any heating work?
Yes, for anything involving gas appliances, that's a legal requirement, not optional. Ask to see the engineer's Gas Safe ID card before they start work and check the card covers the specific type of job, whether that's boilers, cookers, or gas fires. You can also check their registration number directly on the Gas Safe Register website if you want to confirm it yourself before booking.
What's the difference between a combi boiler and a system boiler?
A combi boiler heats water directly from the mains as you need it, so there's no separate hot water cylinder or tank in the loft, which suits smaller properties or flats without much storage space. A system boiler still needs a hot water cylinder but doesn't require a cold water tank in the loft, making it a better fit for houses with multiple bathrooms where several taps might run at once. An engineer should be able to look at your current setup and usage and tell you honestly which makes more sense rather than pushing whichever's easiest to install.
Why has my boiler pressure dropped and do I need to call someone out?
A slow pressure drop over weeks is often just a small leak somewhere in the system or a bit of air that needs bleeding from the radiators, and many people top it up themselves using the filling loop under the boiler. A sudden drop, though, especially paired with banging noises or the boiler cutting out, usually points to something more serious like a failing pressure relief valve or a leak in the pipework, and that's worth getting looked at rather than repeatedly topping up. If you're not confident using the stopcock or filling loop yourself, it's fine to just call an engineer out for a proper look.
What should I check before hiring a heating engineer in Oxford?
Start by asking to see their Gas Safe registration card in person and checking the number matches on the official register. Ask how long they've been trading locally and whether they can show recent customer reviews, not just the ones on their own website. Get a written quote that breaks down parts and labour separately, and check whether it includes a guarantee on the work, some offer a year or more on installations. It's also worth confirming they carry public liability insurance, particularly for bigger jobs like full system replacements where things could go wrong. Where you see a Trust Verified badge on this page, that business has already been through our own checks covering qualifications, insurance, trading history and reviews, but for anyone without that badge, it's down to you to ask these questions directly before booking.