Get a new boiler with honest fixed pricing and expert installation by trusted London engineers — no hidden costs, no surprises. From just £2199 fixed price.
We’re a VAT registered, APHC accredited, fully insured heating company — not a cash-in- hand operation.
Cheap boiler work often leads to:
Years of Experience
Gas Safe Registered | APHC Accredited | Vaillant Accredited | VAT Registered | 25+ Years Experience
Fast, reliable boiler repairs by experienced London engineers — keeping your home warm and your heating running smoothly.
Full system upgrades using trusted brands like Vaillant
Keep your boiler safe, efficient, and under warranty
No heating or hot water? We’re ready when you need us
All work is carried out by qualified, accredited engineers and backed by warranty.
Everything done properly, start to finish
Everything done properly, start to finish
This level of honesty and integrity just blew me away. I cannot recommend Heat Knights enough. In fact based on this I’m going to use them to service my boiler Repair. These guys are on the customer’s side and if you’re thinking about using anybody, use Heat Knights.
Great service, always fast and efficient, Simon and his team go above and beyond to deliver every time, they’ve helped us out of a few sticky siutaions – would highly recomend these guys!
I highly recommend Heat Knights for Boiler Repair London, Simon was incredibly professional and extremely open in dealing with our boiler issue. He shared his professional judgement and honesty regarding the most economical approach to dealing with said issue (including sharing manufactures advice)….
Whether it’s during the depths of winter or you simply need hot water during the summer months, a faulty boiler is going to cause you problems. A fault can arise at any time but we offer emergency boiler repair London that is there for you. We will arrive on-site promptly and as we carry many common spare parts, there is every possibility we will be able to solve the issue without the need to order your part in. However, we do everything we can to ensure that your boiler is safe while carrying out short term repairs while we wait for the new part to arrive.
Heat Knights understands the importance of boiler repair, especially in emergency situations. Our same day emergency boiler engineers cover all types of repairs all over London. Our team of local plumbers is always on hand for boiler repairs. Available 24/7 with a one-hour response time. Our highly skilled engineers will repair your heating quickly and effectively. In addition to installing or repairing your boiler, we will perform service work on it.
Offering Emergency Boiler Repair Services London, we will work tirelessly to get your boiler back up and running, restoring your heating and hot water
Our engineers will also advise you on how to maintain your boiler. We guarantee that you will be very happy with our services.
Whether it’s during the depths of winter or you simply need hot water during the summer months, a faulty boiler is going to cause you problems. A fault can arise at any time but we offer boiler repair that is there for you.
As London’s most trusted Central Heating and Plumbing companies, our Gas Safe registered Boiler Engineers team understands the importance of delivering professional, timely service.
This is especially true when you have no heating or hot water, loss of pressure, or boiler leaks. That’s why Heat Knights provides a 24/7 emergency repair service across London to address these problems as they arise. Our team of skilled and experienced engineers is available around the clock to fix your boiler issues.
So, it’s always easy to find a boiler engineer near you since we do not charge call-out fees and have a one-hour response time.
In addition to our emergency boiler repair services, we can handle other issues as well, including:
Call Heat Knights for 24/7 Emergency Boiler Repairs in London, No matter where you are in London.
We are proud of our work on being London’s trusted partner for reliable and professional boiler services, available 24/7. In any case, if it’s a sudden breakdown, regular maintenance, or an urgent repair.
We will provide you with a comprehensive boiler service, repair, and maintenance program. Our team of highly skilled engineers ensures that your boiler operates safely and smoothly, no matter whether it is used in a residential or commercial environment.
Our boiler repair services include a wide range of options to suit your needs, including:
Our prices are easy to understand. We try to keep our boiler service prices as low as possible. That’s why we offer a £99 fixed rate for basic boiler repair services. Our £99 fixed-rate boiler repair service in London covers the cost of a standard boiler repair, including parts and labor. This means no hidden fees. We also provide a 12-month guarantee on all parts and labor. Call our Local Boiler Engineer now to take advantage of this offer.
Winter’s coming! Call Heat Knights for a £99 fixed-rate repair.
Keeping your boiler in peak condition isn’t just about comfort – it’s about safety, efficiency, and saving money in the long run. At Heat Knights, we specialize in providing professional boiler service in London, helping homeowners and businesses maintain smooth, efficient heating systems all year round.
If you’re asking questions like “how much is a boiler service?” or wondering about the boiler service cost in London, you’re in the right place.
We’re here to break down everything you need to know, from the average boiler service price to how long it takes and what to expect from a quality boiler service plan.
Your boiler works hard throughout the year—especially during the cold London winters. Like any other major appliance, it requires regular maintenance to keep operating safely and efficiently. Neglecting your annual service could result in:
Costly repairs due to unnoticed wear and tear
we recommend scheduling a professional boiler service in London at least once a year to avoid these issues. It’s a small investment that protects your home, your wallet, and your peace of mind.
Our boiler servicing process is thorough and transparent. Here’s what’s typically included when you book with us:
Inspection of key components such as the heat exchanger, burner, and fan
Cleaning of parts to remove soot, scale, or debris
Checking for leaks or signs of corrosion
Gas pressure and flow checks
Flue and combustion testing for safety
Controls and thermostat check
Issuance of a detailed service report
With Heat Knights, every service is carried out by Gas Safe registered engineers to ensure complete compliance with UK safety regulations.
Improves energy efficiency and reduces energy bills
Increases boiler lifespan
Prevents unexpected breakdowns
Keeps your home safe (carbon monoxide checks)
Ensures compliance with landlord safety obligations (if applicable)
Validates boiler warranty
One of the most common questions we get is: “how long does a boiler service take?
Generally, a standard boiler service takes between 45 minutes to 1 hour. However, this can vary slightly depending on the make and model of your boiler, its condition, and when it was last serviced.
We always recommend setting aside at least an hour for the visit. Our engineers never rush the job – we believe in doing it right the first time, so your system continues to perform reliably and efficiently.
Another popular question is: “how much is a boiler service?” or “what is the average boiler service cost?
At Heat Knights, we pride ourselves on offering transparent, competitive pricing. While prices may vary based on the type of boiler and your location, the typical boiler service cost in London ranges between £80 and £120.
Here’s a breakdown of what affects boiler service price:
Boiler type: Combi, system, or regular
Boiler age and condition: Older units may require more attention
Location: Boiler service cost in London may differ slightly from other areas
Additional issues or part replacements
We always provide a no-obligation quote upfront. No hidden fees, no surprises.
When looking at the boiler service charge, it’s important to understand what’s included in that price. With Heat Knights, the boiler service cost covers:
Travel and labour for the inspection
Thorough safety checks
Cleaning and minor adjustments
Recommendations for any future repairs
We don’t upsell or pressure you into unnecessary work. If we find any issues, we’ll explain them clearly and provide options so you can make an informed decision.
Schedule annual servicing before winter
Bleed your radiators regularly
Check boiler pressure monthly
Install a carbon monoxide alarm
Keep the area around the boiler clear
Insulate external pipes to prevent freezing
Use a smart thermostat for better control
What to look for in a boiler engineer (Gas Safe registered, insured)
Importance of local experience
Read reviews and testimonials
Ask about emergency call-out options
Londoners have plenty of choices when it comes to boiler servicing, but not all service providers are equal. Here’s why Heat Knights is the trusted name in boiler service in London:
Local Expertise – We’re based in London and know the specific needs of city homes
Affordable Rates – Our boiler service cost in London is fair and competitive
Qualified Engineers – Every technician is Gas Safe registered
Fast Response Times – We’re just a call away when you need us
Clients Satisfaction – We take pride in our 5-star service and glowing reviews
Whether it’s a one-off service or part of a longer-term boiler service plan, we make sure you get value for money with every visit.
Want to make boiler servicing even more hassle-free? Sign up for our boiler service plan.
With a Heat Knights service plan, you’ll get:
Annual boiler service included
Priority call-outs
Discounted repairs and parts
Reminders so you never miss a service
It’s the smartest way to spread the boiler service cost and keep your system in top shape without the stress.
Even if your boiler appears to be working fine, there might be hidden issues. Look out for:
Strange noises like banging or whistling
A yellow pilot light (instead of blue)
Low pressure or fluctuating temperature
Higher than usual energy bills
Foul smells coming from the boiler
If you notice any of these signs, don’t wait. Contact Heat Knights right away for a reliable boiler service in London.
Whether you’re trying to figure out how much is a boiler service, looking for a cost-effective boiler service plan, or simply want a one-off check, Heat Knights is here to help.
We make the process easy, affordable, and stress-free. Our professional engineers are on hand to deliver expert boiler service in London, ensuring your system is safe, efficient, and winter-ready.
Don’t leave it until it breaks – regular servicing can save you money and hassle down the line.
Call us now or book online to schedule your boiler service. Trust Heat Knights – London’s go-to experts for reliable heating solutions.
we offer professional and affordable boiler servicing in London to keep your heating system running efficiently and safely. Based on our experience, we have prepared an overview of possible boiler servicing prices throughout London.
In addition, the length of time between maintenance and the age of your boiler can affect the price. Ensure that a price is negotiated before the heating engineer comes. So that they have this information, they will ask what type (combi or system), make, and model it is.
Our clear pricing ensures there are no hidden charges.
The price of a boiler service in London can vary depending on several factors, including:
We work hard to offer affordable and dependable pricing for our boiler services. We will provide you with a clear and upfront quote before work starts.
Regular boiler servicing is important to maintain efficient and effective performance. Our Heat Knights boiler servicing engineers are skilled in managing in-depth boiler maintenance, servicing, and optimizing. Heat Knights prides itself on our clear pricing and high-quality service as London’s leading Vaillant boiler maintenance contractor. Also Heat Knights is available in the Same Day Boiler Service.
We offer both annual boiler services and one-time appointments to make sure your boiler is working properly and effectively – saving you money on home bills and unexpected repair costs. Our engineers are highly experienced and qualified to carry out both types of services. Trust Heat Knights with your boiler maintenance and servicing.
Trust the Boiler Experts. Book Your Service with Heat Knights.
Heat Knights provides a high-quality and value-for-money Vaillant boiler repair service in London. We have experience repairing all Vaillant boiler makes and models and providing maintenance services. Heat Knights also offers emergency boiler repair service in London to ensure your peace of mind and reliability.
Need a Vaillant Boiler Repair in London? Call Heat Knights Now.
If you’re looking for a new boiler installation, Heat Knights can help. We provide and install high-quality boilers in homes and rental properties all around London, with a 12-month Workmanship Guarantee. Our engineers offer reliable, high-quality heating solutions. If your old boiler is unable to be repaired or you’re looking to upgrade your heating system. Our Gas Safe registered engineers have expertise in boiler installations that will save you money on your electricity bills. Our team of skilled engineers is on hand to provide advice and support every step of the way.
No matter if you need a brand-new boiler or a replacement for an old system, Heat Knights is here to keep you warm and worry-free all year round.
Contact us today for Boiler Installation near you.
When it comes to reliable, efficient, and professional commercial boiler installation in London, Heat Knights stands out as the trusted choice for businesses across the city.
The importance of keeping the heat on in a commercial property cannot be overstated – a commercial boiler breakdown can literally affect 100’s of people including staff, clients, revenue, and work efficiency.
Our highly skilled, Gas Safe qualified engineers are well versed in the servicing and repair of commercial boilers. With over 20 years of experience in London, we are the best in the business!
Here’s why Heat Knights is your go-to expert for commercial boiler installation in London:
Expertise in Commercial Heating Systems
Compliance & Safety
Minimizing Business Disruption
Aftercare & Support
Our emergency commercial boiler service is available 24 hours a day, 7 days a week in London. To receive a quick quote, please use the contact form below or call 0203 002 4997
Optimized System Efficiency
Enhanced Longevity
Reliable Heating
Heat Knights is your trusted partner for commercial boiler installation in London. Let us keep your business warm, safe, and energy-efficient with our expert heating solutions.
Gas boilers need regular maintenance to maintain safety and performance. Our gas boiler repair professionals are Gas Safe registered engineers, providing peace of mind. Regular maintenance also helps to avoid costly repairs and replacements.
Heat Knights Your Trusted Partner! Quick and Reliable Gas Boiler Repairs in London. Contact Heat Knights Now
As London’s trusted experts in gas boiler servicing, we are dedicated to providing top-quality maintenance to ensure your boiler remains safe, energy-efficient, and reliable all year round.
It is important to perform a gas boiler service for several reasons, including safety, energy efficiency, preventing boiler breakdowns, and, most importantly, saving you money over time. At Heat Knights, we have gained a reputation for providing high-quality gas boiler service and maintenance in London, thanks to our excellent work and high standards of customer service.
Most people believe gas boilers are safer than Oil boilers since they do not produce poisonous carbon monoxide fumes. However, performing an annual inspection of your gas heater is not a bad idea. Gas boiler servicing still offers several benefits, including:
Contact us now for reliable gas boiler servicing in London
We’re your local boiler repair engineers in London. No matter if you’re in North, South, East, or Central London. Our expert engineers are never far from your location. Our team of highly qualified engineers is available 24/7 to help you with all your boiler needs.
Expert Boiler Repairs. Trust Heat Knights for top-notch service. Your local boiler repair experts.
Heat Knights is a trusted and experienced boiler repair company.
Our services are available in London’s northern part, including:
We cover all areas of North London, offering a fast response and high-quality repairs. Our team of knowledgeable engineers is on hand to solve any boiler related issue you may have.
Trust the Boiler Repair Experts. Choose Heat Knights for Quality Service.
Heat Knights also provides boiler repair services in South London.
Do you require a boiler repair service in South London? At Heat Knights, we offer boiler repairs and maintenance for all makes and models of boilers. When your boiler breaks down, it can negatively impact your daily life, leaving you without heating and hot water when you need it the most. With our team of experienced and Gas Safe-registered engineers, we can quickly restore your boiler’s performance, ensuring your home or business remains warm and comfortable.
As a professional plumbing and heating company, we are committed to providing high-quality customer service as part of our working approach, making sure you are satisfied at every stage. We understand that boiler repair can be expensive, but our boiler repair prices will impress you. Here are some of our fixed boiler prices.
Our boiler repair process:
Our coverage area includes South London, including:
Our team of professional engineers can quickly identify and repair any boiler issue, big or small. Our company guarantees a fast and reliable service at reasonable prices.
Expert boiler repair in South London. Trust Heat Knights for reliable service.
We enjoy being East London’s trusted choice for professional boiler repair services. When you’re facing a sudden breakdown, unusual noise, or heating that’s not as efficient as it used to be, our team of skilled engineers is here to help. That’s something Heat Knights offers to all our homeowners in East London, offering fast response times and repairs that restore your heating and hot water within an hour.
When you contact Heat Knights for emergency boiler repair in East London, no matter what model or brand you have installed, one of our experienced engineers can help you. We have gas-safe engineers who are fully qualified to handle any issue and have 15 years of combined experience.
When it comes to keeping East London warm, Heat Knights is the name you can trust.
Heat Knights covers the entire East London area, including:
Our goal is to keep our neighbors warm and safe by providing reliable boiler repair services.
We’re proud to serve Boiler Service in the heart of London, including:
Our experienced engineers can handle many boiler issues and are available for emergency repairs whenever needed. Our engineers are professional and knowledgeable and are on hand to provide you with the best service.
Central London’s Premier Boiler Repair Service. Trust Heat Knights.
When it comes to keeping your boiler in perfect working order, regular servicing is necessary. No matter if you own a combi system or a conventional boiler, ensuring it operates efficiently and safely should be a top priority—especially during the cold months in London. But one of the most common questions homeowners and landlords ask is: “Who can service my boiler in London?”
Only engineers who are Gas Safe registered can legally service a gas boiler in London. This is a legal requirement to ensure safety and competence. Hiring a non-registered individual can not only be dangerous but may also invalidate your boiler’s warranty.
At Heat Knights, all of our heating engineers are fully certified Gas Safe professionals, trained to handle all major brands, including Worcester Bosch, Vaillant, Baxi, Ideal, and more. Whether you’re in North London, South London, or East London, our team is ready to help.
Boiler manufacturers and heating experts recommend servicing your boiler once every 12 months. This annual check-up helps to:
For landlords in London, annual boiler servicing is a legal requirement to comply with gas safety regulations and provide a valid Gas Safety Certificate for tenants.
At Heat Knights, we offer flexible annual service plans to ensure you never miss a due date.
Boiler service costs in London can vary depending on the boiler type, condition, and the provider you choose. On average, you can expect to pay between £80 and £130 for a standard gas boiler service.
At Heat Knights, our pricing is fully transparent with no hidden charges. We offer:
Whether you’re a homeowner, tenant, or landlord, Heat Knights makes boiler servicing in London simple, safe, and affordable.
When your heating system suddenly stops working, it can leave you feeling stressed and uncomfortable, especially during the colder months. Many homeowners ask the same question: “Who do I call if my boiler is not working London?” The answer is simple — you need a trusted Gas Safe registered engineer who can quickly diagnose and repair the issue. At Heat Knights, we specialise in reliable boiler repairs and servicing across London, ensuring your home stays warm and your hot water runs smoothly.
There are several reasons you might be facing boiler problems. Common issues include:
Low water pressure
Faulty thermostat
Frozen condensate pipe
Pilot light going out
Blockages or leaks within the system
If you’re wondering, “Why is my boiler not working?”, the safest step is to avoid attempting complicated DIY fixes. Instead, call a qualified engineer who can inspect the issue thoroughly and carry out the right repair.
At Heat Knights, we provide fast, professional, and affordable boiler repair services throughout London. Whether you have a gas, combi, oil, or system boiler, our experienced engineers can handle it all. We also offer:
Emergency boiler repair for sudden breakdowns
Servicing for top brands like Vaillant, Worcester, and Baxi
Expert advice to prevent future breakdowns
If your heating has stopped and you’re asking, “Who do I call if my boiler is not working in London?”, the answer is Heat Knights. With our quick response times and expert knowledge, we’ll have your boiler back up and running in no time.
Contact Heat Knights today for professional boiler repair in London
When your boiler breaks down, one of the first questions you may ask is: “How long does it take to repair a boiler in London?” At Heat Knights, we know how important it is to restore your heating and hot water quickly, especially during the colder months. The time it takes to repair a boiler can vary depending on the issue, the type of boiler, and the availability of parts.
Yes, in many cases, a boiler can be fixed in a day. Common faults such as pressure issues, thermostat problems, ignition failures, or pump replacements can often be diagnosed and repaired within a few hours.
Our experienced engineers at Heat Knights carry a wide range of parts to ensure we can complete same-day boiler repairs in London whenever possible.
However, if your boiler requires rare or specialist parts that are not immediately available, the repair time may be extended.
In such cases, we’ll always keep you informed and work to get your boiler back up and running as quickly as possible.
If your boiler is beyond repair and needs replacing, you may wonder: “Can a boiler be replaced in one day?” The answer is yes, in many cases. A straightforward swap, such as replacing an old combi boiler with a new combi boiler in the same location, can usually be completed within a single day.
More complex installations, like changing from a system boiler to a combi boiler or relocating the unit, may take longer—sometimes two to three days.
At Heat Knights, our professional boiler installation team in London ensures a fast, safe, and high-quality service tailored to your home’s needs.
When your heating system breaks down, one of the first questions you may ask is: “Who should I call for boiler problems in London?” The answer is simple – Heat Knights, your trusted local specialists in boiler repair, installation, and servicing.
Boilers are the heart of any home or business, and when they fail, it can leave you without heating or hot water. That’s why it’s important to call a reliable and certified engineer who can quickly diagnose and fix the issue. At Heat Knights, we provide fast, professional, and affordable boiler solutions across London.
Boiler issues often show warning signs before a complete breakdown. Our experienced engineers deal with all types of common boiler problems, including:
No matter the fault, Heat Knights has the expertise to get your system running safely and efficiently again.
If you’re wondering who to call for boiler problems in London, look no further than Heat Knights. We provide reliable, professional, and affordable services to keep your home warm and safe. Whether you’re dealing with common boiler problems or need a full boiler replacement, our team is just a phone call away.
Searching for reliable boiler engineers near you in London can feel overwhelming, especially when your heating or hot water stops working. Whether you live in a flat, townhouse, or commercial property.
Heat Knights provide clear, professional boiler services across London, helping homeowners and landlords understand their heating systems and make informed decisions.
Choosing local boiler engineers in London offers several advantages. Engineers who operate locally understand the common boiler types used in London properties, including combi, system, and conventional boilers. They are also familiar with older heating systems often found in period homes and converted apartments.
When searching for boiler engineers near me, it’s important to check credentials, experience, and reputation. A trustworthy boiler engineer should be Gas Safe registered, transparent with advice, and able to explain issues clearly without technical jargon.
If you are researching boiler engineers near you in London, understanding the role, importance, and benefits of professional boiler care is the first step toward a safer and more efficient home.
If you are searching for furnace replacement near you in London, it is often a sign that your heating system is no longer working effectively or safely. Older furnaces can struggle to heat your home properly, consume more energy, and lead to frequent breakdowns especially in the colder months.
Many London homeowners delay replacing their furnace until it completely fails. However, there are several warning signs that indicate it may be time for a replacement rather than another repair:
Replacing an ageing furnace before a total breakdown can save you money, stress and discomfort during winter.
Not all furnaces are the same. Factors such as property size, insulating material, number of radiators, and hot water demand all play a role in selecting the correct system.
Heat Knights will guide you through the options and help you choose a furnace that offers the best balance of performance, energy efficiency, and long-term value.
No matter where you are in North, South, East or West London, Heat Knights provides fast response and dependable furnace replacement services.
We understand how important a working heating system is, especially during the colder months, and aim to provide a smooth and hassle-free replacement experience.
Depending on the extent of the problem and the type of repair required, repairing a boiler can take a considerable amount of time. It may take 1-2 hours for simple boiler repairs, whereas more complicated boiler repairs may take longer. In any case, our emergency boiler engineers do their utmost to resolve the problem as soon as possible. Our service is available in as little as one hour, and we are prepared with replacement parts to speed up the repair process. Your satisfaction is our highest priority.
As soon as possible if your broken boiler poses a risk to people or property, you should contact a qualified boiler repair engineer. There are some instances when this is necessary, such as if you live with children, the elderly, or vulnerable people in the winter, as their health and wellbeing will suffer if you do not provide heat.
Some of the most common signs of a broken boiler are:
In the event that your boiler is operating, but is not performing as it should, we recommend booking a standard boiler repair. Our team considers a boiler emergency to be a breakdown of your boiler that leaves your home without heating or hot water. A qualified boiler engineer should also be called if a health or safety concern arises, such as smelling gas or hearing your carbon monoxide alarm.
Whilst waiting for your boiler engineer to arrive, you should:
Firstly, you may wish to reset your boiler and make sure that the pilot light is lit. Follow the instructions provided in the manufacturer’s manual when navigating the reset function. The problem can often be resolved by resetting your boiler, but if the problem persists, you should consult a qualified boiler engineer. The most important thing you should do if your boiler has stopped working, you smell gas or your carbon monoxide alarm has alerted you, is to call an emergency boiler engineer right away.
Some factors that might prolong the time for repairing a boiler include:
The more complex the issue, the longer it will take to diagnose and fix it.
The repair can be completed faster if the necessary parts are readily available. If the parts need to be ordered, it might take our expert a day or two to fix your boiler.
In situations where you need to order a boiler part, our engineers will schedule a follow-up visit to complete the repair.
Depending on the issue, the average cost of boiler repairs can be between £100 and £500. However, the cost of emergency boiler repair London service can average around £400.
Keep in mind that the cost of repairing your boiler may vary due to the complexity of the fault, the type of parts required, the cost of labor, and the age and brand of your boiler.
Hackney | Islington | Camden | North, East, South & West London
Local engineers ready to attend quickly
Get your boiler fixed quickly with honest pricing and professional service you can trust. Call now or request a fast quote online.
