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Very high standard of work carried out by Mark. Solved my issue,very knowledgeable,punctual and tidy. Would recommend & certainly use again.
Patrick
Viktor and his team thanks so very much for all your hard work these guys know how to give a professional job very approachable nothing too much trouble they just get on with the job so we didn't have too worry would have them back in a heartbeat
Linda
Excellent service, easy to deal with, good price. Would recommend and will definitely use again.
Anne
For homes independent of the mains gas network, an oil-fired boiler provides reliable, powerful central heating and hot water. However, dealing with liquid fuel storage tanks, complex burner mechanics, and strict environmental regulations requires specialist skills. Whether you need a breakdown repair, a routine annual service, or a high-efficiency replacement boiler, precision calibration is essential. Rated People connects you with local heating engineers to keep your system safe. Post your job for free today.
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What can an oil-fired boiler specialist help with?
An oil heating engineer manages the heavy-duty mechanical burners, internal heat exchangers, and external fuel storage infrastructures that power rural and off-grid homes. They follow precise safety protocols to maintain, troubleshoot, and optimise your heating setup:
- High-efficiency boiler installation: Specifying, sizing, and fitting modern, energy-efficient condensing oil boilers (available as space-saving internal cupboard models or fully weatherproofed external units) to lower your annual fuel bills.
- Annual servicing and fuel jet replacement: Cleaning out thick soot and carbon deposits within the baffle plates and heat exchanger, replacing the burner nozzle jet to maintain a perfect spray pattern, and running comprehensive flue gas analysis to maximise burning efficiency.
- Emergency breakdown diagnostics: Troubleshooting locked-out burners, replacing faulty oil supply pumps, repairing photocells, and fixing defects within the motorised zone valves, expansion vessels, or digital system programmers.
- Oil storage tank inspections & fuel lines: Evaluating external plastic or steel fuel tanks for structural cracks or sun damage, testing for water contamination inside the tank, replacing oil filters, and installing electronic remote fuel level gauges so you never run empty.
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How much does oil-fired boiler installation and maintenance cost?
Oil heating systems involve heavy-duty, highly specialised components compared to standard mains gas systems. This technical complexity is reflected in slightly higher baseline component prices and specialist labour rates. Heating engineers generally charge based on the specific scope and scale of the project:
- Annual oil boiler service: A thorough safety check, internal cleaning of the combustion chamber, filter change, and nozzle jet replacement typically costs between £80 and £160.
- Emergency repair call-out fee: Pinpointing an active mechanical fault, replacing a broken fuel pump, or resolving an unexpected burner lock-out during normal working hours usually costs £70 to £110 per hour (excluding the cost of replacement parts).
- Full boiler replacement (labour only): Swapping an old, broken oil-fired unit for a modern, high-efficiency condensing model in the exact same location on existing pipework ranges from £800 to £1,500.
- Complete system overhaul: If your property requires a brand-new external condensing boiler alongside a modern, dual-walled bunded oil storage tank, fresh underground fuel lines, and updated smart controls, full installation costs can range from £3,500 to £6,000+.
What is the difference between internal and external oil boilers?
If you are upgrading your off-grid heating system, one of the biggest design decisions you will make is choosing where the boiler unit itself sits. Both options offer clear functional and space-saving advantages for your property:
- Internal oil boilers: These are designed to be installed inside the home, typically hidden away inside a kitchen utility cupboard, a dedicated utility room, or a garage space. Because they are completely protected from severe winter weather and freezing temperatures, they are incredibly easy to access for routine servicing and carry a slightly lower risk of frost damage. However, they take up valuable internal storage footprint and produce a noticeable mechanical hum when the pressure burner fires up.
- External oil boilers: These are fully self-contained, heavily insulated, and weatherproofed units that sit entirely outside your property on a level concrete base slab. They are fantastic for freeing up premium cupboard space inside your home and keeping all operational mechanical noise completely outdoors. While highly convenient, they do require insulated underground pipework (known as a heat main) to prevent thermal energy loss as the hot water travels from the garden into your home.
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Other oil-fired boiler FAQ's
What mandatory qualifications must an oil boiler engineer hold?
Unlike mains gas which uses Gas Safe, oil-fired appliances are governed by OFTEC (Oil Firing Technical Association). It is vital to ensure your technician is actively OFTEC-registered. This guarantees they are certified to handle liquid fuel lines, adjust pressure burners safely, and self-certify that their work complies with strict UK building and environmental regulations.
Are there government grants available to replace an old oil boiler?
The UK Government’s Boiler Upgrade Scheme (BUS) does not provide funding to install a new oil boiler, as the focus is transitioning homes away from fossil fuels. However, if you are looking to scrap your oil system entirely, the grant offers up to £9,000 for off-grid homes to switch to an eco-friendly air source heat pump, significantly lowering your upfront upgrade costs.
What are the top questions to ask an oil heating specialist before hiring?
To protect your property, always ask: Are you currently OFTEC-registered, and can I see your ID card? Does your installation quote include flushing the existing radiators and testing the oil tank for water? Do you carry valid Public Liability Insurance to cover accidental oil spills or property damage?
Sign up as a oil-fired boiler specialist
Are you an OFTEC-registered heating engineer, oil tank installer, or off-grid plumbing specialist? Homeowners are actively looking for certified local professionals to service pressure burners, replace aging oil boilers, and handle emergency lock-outs. Join our network today to gain access to local oil heating leads, fill gaps in your diary, and grow your business.
DPW Gas Services Ltd
Oil-Fired Boiler
I’m a gas safe engineer with 15+ years experience specialising in heating systems. I’m an ex British Gas engineer with many qualifications which vary from service and repair to boiler installations and also powerflushing. I’ve always had great customer feedback regarding my politeness, punctually, workmanship and always going above and beyond for the customer. Please see below the work carried out from DPW GAS SERVICES LTD *Boiler Breakdowns *Service and maintenance *Boiler installations and power flushing *Trace and repair for water and gas leaks
J and J Building Construction have been supporting customers for over 40 years. We take on all general building works such kitchens, bathrooms, loft conversion, drives, general plumbing, electrical, decoration, garden and patio works, roofing etc.
John and team completed a number of jobs for us to a high standard - plastering and decorating bedrooms, full bathroom refurbishment, gutter clearance. We are satisfied with the work, and they were professional and considerate during the job. John provided useful advice and quotes for various other prospective jobs.
PLUMBING & ELECTRICAL LIMITED
Oil-Fired Boiler
The Lewken Group
Oil-Fired Boiler
We are Lewken and we are here for all your plumbing and heating needs. We are a genuine local family run business and care about what our customers think, .we now offer 0% finance on boilers and many other products
Paq Gas Services
Oil-Fired Boiler
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At CPS Plumbing Services I will always complete the job to the very best standard. My motto is, if I wouldn’t have it in my house, I wouldn’t put it in someone else’s. Happy to go above and beyond when needed and always a neat and tidy job. Anything from a dripping tap to full system installations.
CPS Plumbing not only designed and fitted my new bathroom, but beyond their remit improved my plumbing system, replacing my boiler, thus significantly enhancing the water pressure, replacing my old shower, with one linked to my water system - unbelievably more efficient and easy to use, also Calum fitted an easily accessible switch to replace my gummed-up stop cock. I recommend him without reservation
All gas and plumbing work done by a fully qualified and insured gas and plumbing engineer. boiler breakdowns boiler installs landlord certs hob and freestanding cooker installs gas leaks fixed radiator leaks fixed radiator installed
Thanks so much Mr. Ibrahim for the great and perfect work
Fully qualified gas engineer based in Edinburgh. Can carry out any gas or central heating/boiler work. Can do small plumbing jobs also. - boiler installation, repairs and servicing - gas hob installation - gas fire installation, repairs and servicing - radiator installation - heating controls wireing
Technically sound, assessed situation and proposed agreeable plan, positive attitude to difficult job, fair price quoted, timely communications, committed to agreed date, worked to his plan, addressed issues outside his plan well by discussion and proceeded to finish job in a very professional manner. Very good all round attitude and approach.
I am a self employed joiner with over 35years experience of kitchen and bathroom fitting , I have been in the building trade since 1978 but became self employed in 2010, I have a large and varied skill base in all types of property maintenance and repair
Great service...friendly helpful..when local tradesman would disappear. Calum turned up..
Plumbing - Heating Engineers, 24 Hour Call Out Service. No Job To Big No Job To Small. Experts In Service & Breakdown, Dedicated Installation Engineers
All round excellent service.
With over 30years experience the team at AF bathroom and heating are well experienced and equipped to over come problems faced. AF work alongside our customers to ensure the project being undertaken is delivered to your required needs, communicating with you throughout the process to ensure your satisfied with job on completion. *Which Accredited trusted trader!
Family run plumbing heating & building company based in essex please contact us for a free quotation we will beat any quote We aim to be with you within the hour Over 30 years experience No call out charge Free estimates on all boilers & bathrooms Gas safe registered for over 20 years 5 million public liability insurance No sub contractors used all employed staff only We are open 24 hours a day 7 days a week
Nigel responded quickly, scheduled the work and completed it to a good quality.
we are happy to carry out gas and heating work , and accept bathrooms and kitchen fitting from A2Z. We are ready to deal with jobs and promise with high standard work ( AND WE DO ) . Happy to hear from you. Thanks.
Excellent job today in our bathroom - done with great speed, quality and efficiency, and real expertise.
At A-Rated Gas, Heating & Plumbing Services we believe in quality workmanship performed in line with current regulations. We are customer focused and with our expertise we match your needs with solutions currently available on the market. Whether the job is planned or re-active, we guarantee to earn your trust by providing a punctual and reliable service whilst performing all jobs to the highest standards. Our diagnosis skills are unrivalled maintaining a set target of 95%, thus ensuring a first fix basis for boiler repairs. We are therefore proud partners of Corgi Homeplan for the West & North Yorkshire region, and also a member of Rated People since 2012.
Excellent job done on both fire and boiler. Came next day after contacting me and was on time. Cleaned up afterwards.
We are a small construction company based in South Manchester. We offer a number of services including; refurbishments, extensions, joinery, kitchens, bathrooms, plastering and tiling. All our contractors are independently registered for gas-safe plumbing and NICEIC registered electrical work.
We are really pleased with the work Jay has done. The communication, quality and the project management were all spot on and we would highly recommend Jay and his team.
Royals plumb-elect is based in Northamptonshire. Fully qualified Gas Safe Plumbing & Heating & Electrical engineers We have over 20 years of experience. We are a small family run business and work effectively to give value to customers. We covers the surrounding counties and London. The services we offer are as follows; Plumbing, Heating[Gas]. 1. Central heating system installation, maintenance/services. 2. Landlord gas safety checks. 3. Water heaters[ vented/unvented/ thermal store cylinders ]. 4. Gas boilers, fires & cooker installations and repairs. 5. Showers. & Bathrooms *****Door lock replacements****** ****Water supply pipe replacement****** ****Kitchen fitting************* Electrical. 7/ Electrical installations[ single phase and 3 phase. 8/ , Fixed electrical maintenance, and certifications to all electrical systems. 9/ Landlords electrical safety inspection and testing[ E I C R ]. Testing: Get peace of mind with an official EICR, conducted by experienced electrician. 10. Inspection & testing of fire alarm systems and emergency lighting testing; DOMESTIC AND COMMERCIAL INSTALLATIONS SUCH SHOPS & OFFICES. 11. Pat testing. 12. Electrical inspection, testing and certification to BS 7671. ***Advice; https://www.electricalsafetyfirst.org.uk/guidance/safety-around-the-home/ Additional information. Estimates are generally non-chargeable but in rare situations some will incur a charge, depending on the nature of the job. Note; Please Free Quotation does not include tools and test equipment to fault find. Therefore any tools and test equipment use to fault-finding is chargeable. *** WEBSITE: https://royals-plumbing-heating-wellingborough.business.site
T&D Group Plumbing & Heating
Oil-Fired Boiler
Install Combi & Conversion boilers, central heating, Cooker, Cooker hub & service the gas appliances and issue the yearly certificate and breakdowns. Working on gas industry since 04 years. Gas Safe Registered.
3 hours from first contact to working boiler. Dose not get better than that.
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