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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.
We are a team of highly skilled individuals, with a great sense of professionalism and integrity. Our purpose is to deliver the transition from our customer's vision to reality and strive to bring satisfaction and joy with the results of our work. We aim to offer the best possible service while building trust with our clients. Having over a decade experience in the building industry, gives us the possibility to be quick, flexible and efficient.
LEAKY AND SPARKY LTD
Oil-Fired Boiler
Here at Leaky and Sparky we are family ran company with a combined 15 years of experience in the trade. We are an electrical, gas and plumbing company all in one place. Where we assure are customers complete transparency on every job we take on!
At The Ruby Team we value great work and our word. Reliable, trustworthy and punctual tradesmen is what we are. With fantastic quality of work and enthusiasm we really get the job done to a 5* level. With 7 years in the field as a multi-tradesman I’ve accumulated a lot of knowledge in many sectors. No job is too small nor too big for us and we cover all areas in London and Essex. We follow a CLAYGO service which is a protocol we follow to ensure your house is as clean as when we entered it. #Residential. #Commercial. #Landscaping.
All Trades have a policy, TREAT PEOPLE THE WAY WE EXPECT TO BE TREATED, we will always be available 24/7 to assist any issues, we take things personal and thrive to achieve best results, from supplying a joiner or plumber to full renovations we have proven evidence and testimonial if required.
Pleased with the repair to my granite garden wall. Was happy with the standard of workmanshop and with the price which was fair for the work done. They also underook further small repairs whilst on site which I appreciated. I would recommend All Trades for this type of work.
At H&P4U LIMITED ( Heating and plumbing for you) there is no any job too small to attend or no any job too big to not to be able to resolve With our experience gas engineer and plumbers whom them aim is customer satisfaction all you job will be in the safe hand We are looking forward to hearing from you and ready to answer any questions regarding your request Many thanks H&P4U LIMITED
I had a leaking pipe beneath floorboards. Hamed had good communication and completed the job with a solid looking fix
qualified plumber and gas engineer with over 12 years of experience within the trade. we carry out all your plumbing needs from dripping taps to full bathroom refits. ( no tiling ) All radiator repairs and fitting carried out.Lsa are now gas safe registered. Landlord gas saftey certificates Boiler installs Cooker installs Fire installs Servicing Repairs Breakdowns we also offer an emergency call out sevice
Andrew,was very prompt and reliable. He serviced the boiler and left no mess I would recommend Andrew and would use him again
Plum Building Services Ltd is a building company based in London. We work for both landlords and private home owners on new builds, extensions, refurbishments, repair and maintenance. No job is too big or too small. Quality is our guarantee.
Direct Boilers & Heating Ltd
Oil-Fired Boiler
I have good experience and service and repairs on heating systems Boliers installing I have been industrial 15 years Works for BG, mears, Roberth heat, tsg , good uk companies Domestic and commercial gas safety qualification having
Very pleasant person who turned up at the time that suited me. Sorted the problem that evening at a very reasonable price. I would definitely recommend Kaya
Welcome to DPB Plumbing and Heating Engineers Ltd, your local trusted plumbing and heating providers who are proud to have served Scarborough and the Yorkshire coast since 2006. With years of experience in the industry, we take pride in offering a comprehensive range of services that cater for all your plumbing and heating needs. Whether you need a simple plumbing repair, a new boiler installation, a complete central heating system overhaul or that luxury bathroom suite you have always dreamed of, our team have the expertise and the resources to get the job done right. Our team of highly skilled and qualified engineers are equipped with the latest tools and equipment to ensure fast, efficient, and reliable service every time. At DPB Plumbing and Heating Engineers we understand that plumbing and heating issues can be stressful and disruptive to your daily routine. That's why we offer flexible scheduling options, competitive pricing, and a commitment to excellent customer service to ensure your satisfaction. We strive to make the process as hassle-free as possible, from start to finish. We will always treat your home with the care and respect it deserves and we are fully insured for complete peace of mind. After all its your home, and it's the way it should be. So, whether you're a homeowner, landlord, or business owner in Scarborough or the surrounding areas, look no further than DPB Plumbing and Heating Engineers for all your plumbing and heating needs.
Fantastic company that fixed my boiler yesterday for a decent amount. Would recommend and use again. Many thanks.
A professional qualified insured family run business who puts their customers first
Porch repair. John was very helpful and offered several options to help us make a decision. Very pleased with outcome and have booked him for some more work.
We are a company which provides services for all plumbing, gas and central heating works. Also we have plastering electrical and joinery contacts for further works to be done Pride in our work goes a long way for our customers as we maintain high standards and work ethics. Emergency call out also availabe after hours thank you for your time and custom. Ryan from Venturi gas plumbing and heating.
S Fagan Gas Services has been established and installing boilers and central heating systems since 2012. S Fagan has been trained in installation and maintenance of all domestic heating systems and provide a friendly and honest service.
Fast and friendly service. Identified the problem immediately. Will use again!
"Snappy Heating provides services related to domestic gas works, specialising in central heating, boiler repairs and installations. We also undertake various plumbing services such as conversions from various branded conventional hot water systems to new unvented systems. We specialise in Boiler swaps and system conversions. Our competitive pricing, as well as high work ethics, provide unparalleled customer satisfaction
Job done, well and quick.
WE’RE ALL ABOUT PEACE OF MIND. We’ll take care of your home. That’s our promise. No matter how big or small the problem, you can trust us to get your home back to the way it should be and put your peace of mind at the heart of everything we do. Whether it’s fitting a new boiler, or fixing a leaky tap, we will get the job done right and done right first time. It’s as simple as that. We understand that when you have a problem in your home or business, you need it to be resolved as quickly as possible by a professional you can rely on. All of our engineers are fully trained with years of expertise in their trade, delivering exceptional results, every time. Heatcare will always make sure our customers' satisfaction comes first. This means that we'll be there for you when you need us, whether that's in an emergency, or even outside of typical business hours. We provide a rapid emergency response, meaning that one of our expert engineers are able to resolve your problem in no time at all.
Competitively priced. Quick and professional contact. Mohammed was extremely helpful explaining how the system works and giving advice. Very happy
Commercial and gas heating specialists.All types of plumbing work undertaken
would definitely use again for further works. would highly recommend
Hi, my name is Abel. I am a gas gas engineer from London. I mainly fit cooking appliances (gas and electric) I also work for curry’s as their gas engineer. I have partners I also work with that do boilers and plumbing work. I take pride in my job and always make sure I leave everything safe and my customers happy. I always try to go above and beyond and do my best to help my customers. I’m flexible, punctual and up for negotiation. We also have REMOVAL company for man and van jobs. Everything is insured.
Professional, did a good job
Small company of 4 people specialising in boiler installation, repair and servicing. Gas fires and cooker installations. Landlord safety checks. Full central heating system design and fitting.
The job was completed exactly as described and on time.
Hi I’m Connor, owner of Wells Plumbing and Heating. I am new to this site and aim to build a good reputation with the pride and care I put into my work. I undertake all plumbing works from a dripping tap to a bathroom refurbished.
Connor did a good job for a very reasonable price. Communication was good so overall very happy and would use him again.
We’re Harry and Charlotte, a husband and wife run building company recently relocated to Cambridgeshire. With years of hands-on experience, we take real pride in doing a proper job and looking after our customers. Every project is different, so we take the time to understand what you want and make sure it’s done right. Harry project manages every job to perfection and Charlotte ensures communication is smooth and transparent. Over the years, we’ve built a great team of trusted tradespeople who work with us on all our projects. We work across both domestic and commercial sectors, residentially, covering everything from kitchens and bathrooms to full refurbishments and renovations working towards budgets and expectations carefully.
Extremely pleased with the work carried out by Harry. A very pleasant, skilled workman who made a fantastic job under very tricky conditions. Would highly recommend him for any work you require.
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