Written by Mark Reid,
Trades Editor ·Verified 15 September 2026
Gloucester's housing stretches from Victorian terraces around Barton and Tredworth to newer estates out at Kingsway and Brockworth, and that mix throws up different jobs for a heating engineer. Older properties near the city centre often still have back boilers or ageing combi systems tucked into awkward cupboards, while the newer builds tend to need routine servicing, smart thermostat fitting or the odd warranty callout. Add in the number of park homes and rural properties out towards Churchdown and Hucclecote that run on oil rather than mains gas, and you can see why it helps to find someone who knows the area's quirks rather than just picking a name at random.
The businesses listed here are pulled from public business listings and ranked mainly on review rating and review count, with a small boost given to those with a working website and phone number, since that's usually a sign of an active, contactable trade. We also read each firm's homepage to check that heating engineering, whether that's boiler repair, servicing, installation or gas work, is genuinely what they do day to day, which keeps plumbers or general builders who dabble in heating off this page. Any listing flagged as permanently closed gets removed automatically as part of that process. Where you see a Trust Verified badge, that business has gone further and passed our full verification, covering trade qualifications and accreditations, public liability insurance, trading history, customer review history and registered company information. You can read exactly what that involves on our How We Verify page. For businesses without the badge, those checks haven't been done by us, so it's worth doing them yourself before you book anything.
Before you commit to a heating engineer, ask to see their Gas Safe registration card if any gas work is involved, and check the licence number against the Gas Safe Register online rather than just taking their word for it. For boiler installations, ask whether the work will be notified to Building Control and whether you'll get a benchmark certificate and warranty paperwork at the end. It's also worth asking what make of boiler they're used to fitting, since some engineers work mainly with Worcester Bosch or Vaillant and stock parts accordingly, which can matter if something goes wrong later. Getting two or three quotes is normal practice for anything beyond a simple repair, particularly for full system replacements, and the price difference between them can be a few hundred pounds, so it's worth the extra bit of time.
How We Select & Rate The Best Heating Engineers in Gloucester
Ranking is based on review rating and review count taken 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 the page, and listings flagged as permanently closed are removed automatically. Businesses marked Trust Verified have additionally passed our full 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 complete list. Other businesses have not been independently verified by us, and their inclusion here isn't an endorsement. Always carry out 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 →
A boiler that won't fire up on a cold morning, or a landlord needing a gas safety certificate before letting a property, are typical reasons people in Gloucester call this firm. Gloucestershire Gas Services carries out repairs, servicing and installations, with 61 reviews averaging 4.9 reflecting consistency in that work.
Boiler installation and servicing form the core of HPR Services Ltd's work in Gloucester, covering breakdowns, repairs and system upgrades for domestic customers. The firm has built up a solid record locally, reflected in a 4.6 rating from 82 reviews. Enquiries can be made through its website.
Gloucester Oil Burner Services covers oil boiler servicing, repairs, and installations alongside specialist work on Aga and Rayburn appliances, making it one of the few local firms to handle both conventional oil systems and traditional range cookers. Based in Gloucester, the company also offers Navien boiler servicing and oil tank advice. It holds a five-star rating across 21 Google reviews.
Heating engineers based in Gloucester, covering boiler installation, servicing and repair work across the GL2 area. Gloucester Plumbing & Heating Ltd has built up a 4.5 rating from 38 reviews, reflecting consistent workmanship on both routine maintenance and larger heating system upgrades for local households.
Heating engineers at Redbridge & Sons work across Gloucester, covering boiler repairs, servicing and installations for households in the area. The firm has built up a five star record from eleven reviews, a small but consistent sign of reliable workmanship. Enquiries can be made through their website for anyone needing heating faults diagnosed or systems checked over.
Gloucester households needing boiler repairs or servicing can call on Headland Heating, a local firm working across the GL1 area. Its five-star record from eight reviews points to careful, straightforward workmanship rather than volume trade. The company covers installations, servicing and breakdown callouts for domestic heating systems.
Households across Gloucester call on Bourne To Plumb LTD for boiler and heating work, from repairs to full system installations. The firm holds a 4.7 rating from 11 reviews, reflecting consistent standards on jobs that keep families warm through the colder months. Based in the GL4 area, it serves neighbouring streets without straying into unrelated plumbing extras.
Rated highly by local customers, Cotswold Heating Solutions Ltd operates as a heating engineering firm serving Gloucester and the surrounding GL5 area. The company covers installation, servicing, and repair work across residential and commercial properties. Its postcode placing puts it within straightforward reach of both the Stroud valleys and the broader Gloucestershire corridor.
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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How much does a heating engineer cost in Gloucester?
A standard boiler service usually runs somewhere between £70 and £100, while a call-out for a fault like no hot water or a leaking pipe often starts around £60 to £90 for the first hour, plus parts. A full combi boiler swap typically lands between £1,800 and £3,200 depending on the make and whether pipework needs altering, and older properties around Barton or Kingsholm with tricky access can push costs higher. It's normal to get two or three quotes for anything beyond a simple repair, since prices between local firms can vary by several hundred pounds for the same job.
How often should a boiler be serviced?
Most manufacturers recommend an annual service to keep the warranty valid, and it's also the best way to catch small issues, like a dropping pressure gauge or a dirty burner, before they turn into a breakdown in the middle of winter. If your boiler is older than ten years or you've noticed it cycling on and off more than usual, it's worth booking a service sooner rather than waiting for the anniversary date.
Do I need a Gas Safe registered engineer for boiler work in Gloucester?
Yes, anyone working on a gas boiler, gas fire or gas pipework legally has to be Gas Safe registered. Ask to see their ID card, which shows their licence number and the specific gas work they're qualified to do, and check it against the Gas Safe Register website if you're unsure. Non-gas work, like fitting an electric heater or a smart thermostat, doesn't need Gas Safe registration but it's still worth checking the engineer's experience with that specific system.
What's the difference between a combi boiler and a system boiler for a Gloucester home?
A combi boiler heats water on demand and doesn't need a separate hot water cylinder, which suits smaller terraces and flats where space is tight, like those around Tredworth or Linden. A system boiler works with a hot water cylinder and is often a better fit for larger houses with more than one bathroom, since it can supply several taps at once without the pressure dropping. An engineer should be able to survey your property and recommend which suits your water pressure and household size rather than just fitting what they usually install.
How quickly can a heating engineer come out for an emergency in Gloucester?
Many local firms offer same-day callouts for genuine emergencies, such as no heating in freezing weather or a burst pipe, though response times can stretch during cold snaps when demand spikes across the whole area, from Quedgeley to Longlevens. If you smell gas, don't wait for a callback, turn off the supply at the stopcock or gas meter and ring the National Gas Emergency line straight away on 0800 111 999.
How do I choose between heating engineers in Gloucester?
Start by checking their Gas Safe registration number yourself on the official register rather than trusting a card or certificate at face value. Look through recent customer reviews for mentions of punctuality, tidiness and whether they explained the problem clearly, since these details tell you more than a star rating alone. Ask for a written quote that breaks down labour and parts, and confirm whether there's a guarantee on the work, how long it lasts, and what it actually covers. If a business carries our Trust Verified badge, that means we've checked their qualifications, insurance, trading history and company details directly; for anyone without it, it's worth asking for proof of insurance and recent references before agreeing to any work.
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