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No heating? No hot water? Boiler flashing random fault codes? When it goes wrong, you just want it sorted properly without waiting days.
Our boiler repair Barnet service covers EN4, EN5, N11 and NW7. We deal with everything from pressure loss and leaks to ignition faults and full breakdowns. Some problems are small and quick to fix. Others need parts. Either way, we’ll explain what’s happening clearly and give you a straight price before starting.
We don’t patch things up temporarily. We fix them properly so you’re not calling someone again in two weeks. Because we’re local to Barnet, we can usually offer fast response times and flexible appointments.
If your heating’s stopped working, give us a call and we’ll get things moving.
Most boiler breakdowns don’t happen out of nowhere. They build up slowly. That’s why an annual boiler service Barnet is worth doing.
We service boilers across Barnet and nearby areas including EN4 and EN5. During a service, we clean key components, check seals and pressure, test safety devices, and make sure your boiler is burning fuel efficiently. We’ll also flag up anything that looks worn before it becomes expensive.
A proper service keeps your energy bills lower, protects your warranty, and most importantly keeps your home safe. We keep it simple, no unnecessary extras, just a thorough boiler service done properly.
If it’s been over a year since your last check, now’s a good time to book.
If your boiler is over 12–15 years old and constantly breaking down, replacing it might save you money long term. Our boiler installation Barnet service is straightforward and honest.
We install modern, energy-efficient boilers across EN4, EN5, N11 and NW7. First, we assess your home size, water usage and existing system. Then we recommend the right option not the most expensive one, the right one.
We remove the old unit safely, install the new boiler properly, flush the system if needed, and fully test everything before we leave. You’ll know exactly how it works and what to expect.
A good installation should last years without stress. That’s what we aim for.
No heating, no hot water, or your boiler just doesn’t sound right? Don’t leave it until it gets worse. We’re a local Barnet boiler company and can get to you fast, often the same day.
From boiler repair and boiler servicing to full boiler installation Barnet, we handle everything with clear pricing and no hassle. You’ll deal with a real local gas engineer.
At home, a boiler issue affects everything. Cold mornings, no hot showers, radiators half working. Our domestic boiler repairs in Barnet are designed to get normal life back quickly.
We work in houses and flats across Barnet, including EN5 and NW7. Whether it’s a small part failure or a bigger internal fault, we’ll diagnose it properly and tell you honestly if it’s worth fixing.
We understand Barnet properties from older houses to newer builds and that helps us work efficiently. Our goal is simple: repair it properly, keep your heating reliable, and avoid repeat problems.
Heating issues in a commercial property aren’t just uncomfortable they affect staff, customers and day-to-day operations.
Our commercial boiler Barnet service supports offices, shops, small businesses and rental properties across EN4 and surrounding areas. We handle servicing, fault finding, breakdown repairs and system upgrades.
We understand the need for minimal disruption. That means clear scheduling, efficient work, and safe compliance with gas regulations. Whether it’s planned maintenance or an urgent issue, we provide dependable support that keeps your business running.
Efficient Vaillant boiler repairs by Gas Safe engineers. Same-day callouts, genuine parts, and guaranteed service restoring warmth and comfort fast.
Expert Ideal boiler repairs using genuine parts. Fast diagnostics, affordable pricing and trusted engineers keeping your home warm and safe.
Trusted Corgi boiler repairs by qualified engineers. Quick response, safe service and long-lasting results using approved parts and expertise.
Professional Baxi boiler repairs with same-day service. Certified engineers ensure reliable heating, safety, and performance using genuine Baxi parts.
Fast, reliable Worcester boiler repairs by Gas Safe engineers. Genuine parts, same-day service, and guaranteed results to restore heating efficiently.
Fast, reliable Combi boiler repairs by Gas Safe engineers. Genuine parts, same-day service and guaranteed results to restore heating efficiently.
EXCELLENT Based on 145 reviews Posted on 1 ATrustindex verifies that the original source of the review is Google. Have had plenty of bad experiences, but this company is the best, fast, no nonsense and gets the work donePosted on Daniele MTrustindex verifies that the original source of the review is Google. I would like to recommend this service: it was quite easy to book and have an appointment in a short term. Armand the plumber was very professional, and I had my gas safety check and my boiler checked in time. Armand was also able to respond to all my questions. So it is a 5 star's evaluation for me.Posted on Shahram PTrustindex verifies that the original source of the review is Google. Recently use this company for my workshop ,excellent service,will use agin in future you. Thank youPosted on Hanna KTrustindex verifies that the original source of the review is Google. Great responce and commendable customer care service ! Armand was willing to support and his manarism was great. Will definitely contiue using his services.Posted on Beata DTrustindex verifies that the original source of the review is Google. Boiler Repair Service Review Today I had my boiler repaired, and I am extremely satisfied with the service. From start to finish, the process was seamless. Armand the engineer was punctual, professional, and highly knowledgeable. He quickly diagnosed the issue, explained the problem in simple terms. The repair itself was efficient, Armand ensured everything was working perfectly before leaving. He even gave me some tips on maintaining the boiler to avoid future problems. Overall, this was a stress-free experience, and I’d highly recommend Armand and his company for any boiler repairs.Posted on YOUMITRA TTrustindex verifies that the original source of the review is Google. Awesome service, I am thoroughly impressed with the service I received from Armand. He was punctual, professional, and extremely thorough. My boiler is now running perfectly, and I feel confident it was fixed correctly. I highly recommend his services!Posted on Lala BTrustindex verifies that the original source of the review is Google. Very Highly recommended. I will use them again! My new boiler was installed like a well drilled operation. Everything done precisely on time and as Armand said it would.Posted on Tudor UTrustindex verifies that the original source of the review is Google. Great service from Onsite Contractors and Pluming Ltd, the boiler was repaired within 2 hours from calling this company. Really greatfull for their outstanding response, been charget a very fair price for the job.I recommend them from my heart. Thank you guys!Posted on Joey BTrustindex verifies that the original source of the review is Google. Rapid response from Armand to a Google Local Services request. Good comms via WhatsApp. Same day attendance. I live in a tricky area for parking but Armand managed that without complaint. Quickly diagnosed and resolved the problem with my heating system, made efficiency improvements, and taught me a few things along the way for future reference. The following morning I had a worsening situation due to air and pressure changes settling in the system overnight (unavoidable) but Armand was responding to my messages from 6:51am and helping me to relay instructions to my tenant in real time to apply a final fix. The heating system is now working incredibly effectively and efficiently. I'm burning hardly any gas to keep the property warm. Gas bill reducing substantially now. As with everything these days, skilled people don't come cheap; you get what you pay for and I would recommend Armand to others.
When you search for a local engineer, you don’t want a national chain sending whoever’s available. You want someone who knows Barnet.
Our team are fully Gas Safe registered and experienced in repair, servicing and boiler installation Barnet properties rely on. We cover EN4, EN5, N11 and NW7 daily, so response times are quick and reliable.
We turn up on time, explain the issue clearly, and keep things professional from start to finish. No jargon. No pressure. Just proper gas work done safely.
Even if you don’t find your area above, we are expanding everywhere in Greater London, so call us we can help!
Boiler not working, due a service, or thinking about a new installation? We’re local to Barnet, know the area well, and can get to you fast often the same day.
From boiler repair to boiler servicing and full boiler installation in Barnet, we keep things simple, honest, and affordable.
Because we work locally across Barnet, we can often attend boiler repair Barnet call-outs the same day, depending on availability. We cover EN4, EN5, N11 and NW7 regularly, so we’re never travelling from far away. Once we arrive, we run full diagnostics to identify the fault rather than guessing. If it’s a common issue and parts are available, repairs can often be completed immediately. If specialist parts are needed, we’ll explain the timeline clearly and return as soon as possible to complete the job properly.
An annual boiler service Barnet is recommended to keep your system safe and efficient. Boilers work hard year-round, especially during winter. A service includes internal inspection, cleaning components, checking gas pressure, testing safety controls and ensuring proper combustion. Regular servicing reduces the risk of breakdowns and can help extend the lifespan of your boiler. It also keeps manufacturer warranties valid in many cases. Think of it as preventative maintenance a smaller cost now that helps avoid larger repair bills later.
Yes, we carry out full boiler installation Barnet services for homeowners and landlords. We’ll assess your property, current pipework and heating demands before recommending the right boiler type. We install combi, system and conventional boilers depending on what suits the property best. Every installation includes proper testing, system checks and safety certification. We’ll also show you how to use your new controls efficiently. Our aim is to install a reliable system that heats your home properly and keeps energy costs under control.
It depends on the age, condition and frequency of breakdowns. If your boiler is relatively new and the fault is minor, repair is usually the sensible option. However, if it’s over 12 years old and repeatedly failing, investing in a boiler installation Barnet homeowners trust may save money long term. We’ll always assess the situation honestly and explain both options. There’s no pressure just clear advice so you can make the right decision for your home and budget.
Yes, we regularly support landlords across Barnet with repairs, servicing and system upgrades. Reliable heating is essential for tenants, and we understand the importance of quick response times. Whether it’s routine boiler service Barnet properties require or urgent breakdown repair, we work efficiently and communicate clearly. We can liaise directly with tenants if needed and ensure all work is carried out safely and professionally. Many local landlords use us repeatedly because we keep things simple and dependable.
Absolutely. Every engineer is fully Gas Safe registered and qualified to work on domestic and commercial heating systems. Gas work must always be carried out safely and legally, and we take that seriously. Whether it’s boiler repair Barnet, annual servicing, or a full installation, all work is completed to current safety standards. We carry identification and can provide registration details if required. Your safety and peace of mind always come first.
Onsite Contractors and Plumbing Ltd. has been serving London for over 10 years.
We are a locally owned and operated business dedicated to customer satisfaction.
Over 70% of our work comes through referrals, reflecting the trust our customers place in us.
Whether you need plumbing, heating, or gas services, our experienced team is here to help.
Onsite Contractors and Plumbing Ltd. Registered office address: Apex House, 2nd Floor, Grand Arcade, London, England, N12 0EH, Company number : 09510946
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