The quick way to find a local Oil-Fired Boiler specialist in Harrow

GUARDGAS

Oil-Fired Boiler

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nothing to big or small we deliver quality service at a reasonable price fully qualified and fully registered with industry

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Reviewed by Angela on 30/10/2020

The tradesman completed the job quickly and efficiently,. When there was a complication it was dealt with professionally and without any fuss. He even gave me useful advice about using my cooker safely, very thorough and informative.

James McIntyre Plumbing & Heating

Oil-Fired Boiler

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I have spent over 13 years in the Plumbing & Heating industry working in both domestic and commercial so my experience is second to none. I pride myself on keeping good relations with all my customers to ensure my work is carried out to a high standard, while also keeping my prices very competitive. NVQ Level 3 Qualified/Fully Insured My services Include - Repairs on all heating systems Boiler Installs Cylinder replacement/Installation Radiator replacement/installation Smart room stats Power flushing Tap changes Tiling Re-siliconing Bathroom Installation General plumbing/repairs

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Reviewed by Mhairi on 11/5/2026

T.H.A Maintenance

Oil-Fired Boiler

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With over 15 years of experience in the trade, I have established a solid reputation for providing top-notch services. My expertise includes the installation and servicing of boilers, cookers, radiators, HIU's, and MVHR ventilation systems, as well as conducting Landlord certificates. I cover all aspects of heating, plumbing, and ventilation, ensuring that your property is in excellent hands. Choose me for trustworthy services that prioritize your satisfaction and comfort.

Prime Build

Oil-Fired Boiler

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Prime Build – We Build It Like It’s Our Own At Prime Build, we’re all about quality work, honest communication, and bringing your ideas to life. Whether you’re building your dream home, giving your place a much-needed update, or taking on a commercial project, we’ve got your back from start to finish. We’re a team of experienced builders who take pride in doing things right—no cutting corners, no surprise costs, just solid work and great results. What We Do: - Renovations & extensions - Custom builds - Kitchens and bathrooms - Groundworks - Bricklaying - Carpentry - Plastering - Commercial projects - Project management - Property development - We cover all aspects of the building trade Why Work With Us? - We’re licensed, insured, and easy to deal with - Clear quotes, no hidden fees - We show up, keep our word, and stick to timelines - Friendly team that treats your project like our own - Quality materials + skilled craftsmanship = lasting results At the end of the day, we love what we do—and we think it shows in every project we take on. If you’re ready to build something great, get in touch with us and let’s make it happen.

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Reviewed by Bruce on 29/1/2026

Hi Danny and co did a great job fixing my fire doors. Quick efficient and good workmanship. Will definitely use again infact I am

C A WATERS PLUMBING & HEATING

Oil-Fired Boiler

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A Waters Plumbing & Heating At C A Waters Plumbing & Heating, we’re proud to offer reliable, high-quality plumbing and heating services across London and Hertfordshire. With hundreds of 5-star reviews across Google, Which? and Nextdoor, our team is known for honest advice, expert workmanship, and dependable service. We cover everything from boiler installations and repairs to general plumbing, central heating upgrades, and emergency callouts. Whether it’s a leaking pipe, a full bathroom refurbishment, or a new energy-efficient heating system, we’ve got you covered. All work is carried out by fully qualified engineers and backed by a 6-month labour warranty for peace of mind. We’re committed to delivering long-term solutions, not quick fixes — and we treat every home with the respect it deserves. Looking for a trusted local plumber? Contact us today to see how we can help.

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Reviewed by Michelle on 15/7/2025

Fabulous, measured and considered diagnostic. Managed to diagnose and fix pressure and flow issue several other plumbers had failed to do. Pleasant and professional. Will be my go-to plumber going forward

H & P4U LTD

Oil-Fired Boiler

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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

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Reviewed by Lee on 10/8/2023

I had a leaking pipe beneath floorboards. Hamed had good communication and completed the job with a solid looking fix

K H M1 LTD

Oil-Fired Boiler

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15 years of experience as heating engineer , plumber and gas safe registered

M Rovcanin

Oil-Fired Boiler

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Gas safe registered Engineer, central Heating and Gas related work, breakdown and repairs, power flushing. Domestic Electrical Installer 18th Edition -LCL Level 3

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Reviewed by Philip on 11/11/2024

Thorough, competent and attentive to details.

Primary Aspect UK

Oil-Fired Boiler

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PRIMARY ASPECT LIMITED is a leading Construction company serving the London area. Ever since we opened for business, we’ve taken a comprehensive approach to project management, providing our clients with a wide range of construction and refurbishment services, to cover their needs. Get in touch today to learn more about what we can offer you and to receive your free estimate.

Latest homeowner review

Reviewed by Kate on 10/2/2025

Patrick was very helpful right from start. He was detailed in the initial quote and communication was easy and prompt. On the day he was very polite, clean and tidy, nothing was too much trouble. I would highly recommend.