The home heating system is one of the most crucial areas of the home. Your central heating boiler provides you with heat and hot water all year round and the chances are you take little notice of it. Why would you if it's rolling out warmth throughout the year without a problem?
But how costly are your energy costs? Do you know that replacing your central heating boiler can save you more than £300 annually on bills because of the enhanced performance? If your central heating boiler is in excess of 10-years old, then the likelihood is there's an enormous saving to be made.
Nonetheless, purchasing a brand new central heating boiler isn't the cheapest of household improvements. It's not the most costly either, and you can be looking at in between £1,500 and £2,000 for a very efficient combination boiler.
To help overcome this initial expense you could consider central heating boiler finance. With finance you'll pay out a regular monthly fee for however long you decide to cover the cost of the central heating boiler. This might be as few as 12 months and of course helps people who can't afford the entire one-off payment.
If your central heating boiler breaks down suddenly too, you may want to consider boiler finance without the money easily available in the bank. Boiler finance is perfect and even though there's a small interest payment, it's a practical alternative.
The average cost of replacing your gas boiler is £2,500. Costs differ based on the type and brand of boiler you choose as well as the provider you decide to go with. For example, a small local business may be able to offer a better price than a large national tradesman as they will have fewer overheads. Itâs best to get a range of quotes from different boiler engineers so you can compare prices, reviews and references before going ahead.
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| Labour cost | £1,750 | |
| Material cost | £625 | |
| Waste removal | £125 |
Requests for quotations in London in June 2025
Requests for Boiler finance quotations in London in June 2025. 57% change from May 2025.
Requests for Boiler finance quotations in London County in June 2025. -22% change from May 2025.
We recorded 262,017 requests for property improvement quotes in London. Of such quote requests the amount of boiler finance was 110. Quotatis had the ability to match these clients with as many as four ideal experts who were available for work in London during those times.
Source: Numbers calculated based on the search volumes in major search enginesRequests for quotations in London in June 2025
London is the capital city of England and it is still caught in the inspiration of the 2012 Olympic Games which brightened the city. The multi-million pound project helped to provide a range of brand new jobs around the city and saw a number of housing developments mainly in the Stratford area. London continues to be the most popular tourist city in England with points of interest such as Buckingham Palace, Big Ben, Madame Tussauds and also the Thames River. Properties are varied too, dating back to Tudor, Georgian and Victorians eras.
Glowarm is a friendly family run business which has been established for over 25 years and has grown to be one of London’s and the Home Counties leading central heating companies. We take pride in treating our clients on an individual basis, taking...
Very friendly good advice given
Walsh Plumbing Ltd We understand that buying a new boiler can be an expensive purchase, which is why Walsh Plumbing strive to provide our customers with outstanding satisfaction in our boiler packages and installations. We are the experts in ou...
Attentive management: Sensible prices without quibbles re minor changes : Excellent plumber who was polite, cleaned up w...
We are a small friendly and reliable company based in Surbiton with over 10 years experience in plumbing and heating industry. We are Gas Safe registered engineers for domestic and commercial catering sector. Our aim is to deliver clean and meticulou...
very expert and prompt
Customer service is something we care passionately about at Swale Heating – and always have. Whether you’re a domestic or business customer, our unparalleled attention to customer satisfaction ensures you’ll always experience service quality th...
Good advice.
Welcome to CH Westend CH Westend have been established since 1988 and in that time have successfully undertaken more than £28 million of plumbing, heating, property maintenance and construction work. This in itself brings experience and as a...
Great job, very efficient and professional. Very pleased with the service.
DCD Boilers Your local, reliable, Gas Safe installer. All makes and models of Gas Boilers fitted with care in your home Worcester Bosch, Valliant, Ideal, Alpha, Baxi and Glow worm all with choices of Smart Controls, Magnetic filters, limescale redu...
Excellent service, excellent quality, excellent price.
We cover all plumbing heating & gas related issues, Boiler installations, full heating systems installed, boiler servicing, landlords gas safety certificates, boiler breakdowns, water leaks, radiator replacements, power flushing, boiler repairs etc ...
Very nice service
"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...
Best ever and a very good job
We started life in a small Yorkshire town, and we’re now the country’s second largest boiler installer. Although we’re big — fitting over 20,000 boilers in the UK each year — we’re not too big for our boots. We’ve kept our down-to-ea...
Customer friendly.
WORKS WE PROVIDE : Boilers installations Boiler servicing Boiler repair Heating maintenance Gas safety certificates Plumbing maintenance
Competitive, conscientious and friendly. Trustworthy and honest. Punctual and reliable. Highly recommended.
London - SE28
Enquiry from: Abu K
Start Date: Immediate
Call back anytime. Extent of work: New Boiler Type of building: Semi-detached Fuel: Mains gas Number of radiators: 9 Quote requested on boiler replacement
London - W6
Enquiry from: Hussein A
Start Date: Immediate
call anytime. extent of work: new boiler type of building: flat fuel: mains gas number of radiators: 0 quote requested on boiler replacement
London - N22
Enquiry from: Alex M
Start Date: Immediate
Call anytime Extent of work: New Boiler Type of building: Semi-detached Fuel: Mains gas Number of radiators: 9 Quote requested on boiler replacement
London - W12
Enquiry from: Jia C
Start Date: Immediate
customer has a heating project they are looking to have done, specially they want quotes for gas boiler replacement. they are unsure of options so would like to discuss with a heating engineer.confirm...
London - W4
Enquiry from: C G
Start Date: Immediate
Call anytime. Extent of work: New Boiler Type of building: Semi-detached Fuel: Mains gas Number of radiators: 0 Quote requested on boiler replacement
London - SE28
Enquiry from: Folorunso A
Start Date: Immediate
Call anytime Extent of work: New Boiler Type of building: Flat Fuel: Mains gas Number of radiators: 6 Quote requested on boiler replacement
London - W3
Enquiry from: Paul R
Start Date: Immediate
Call anytime. Extent of work: New Boiler Type of building: Terraced Fuel: Mains gas Number of radiators: 0 Quote requested on boiler replacement
London - SW16
Enquiry from: Linda S
Start Date: Immediate
Call anytime. Extent of work: New Boiler Type of building: Semi-detached Fuel: Mains gas Number of radiators: 0 Quote requested on boiler replacement
London - W3
Enquiry from: Paul R
Start Date: Immediate
Customer made an online enquiry for Gas Boiler Replacement and is waiting for a call. Confirmed interest via /SMS and needs advice on boiler models suitable for their home.
London - N19
Enquiry from: Eyob F
Start Date: Immediate
Customer is looking to have a new gas boiler installed. They are unsure if they have a system or a combiboiler. Please contact them to discuss what boiler would be best suited for their home.
London - SE18
Enquiry from: Noori S
Start Date: Immediate
Customer made an online enquiry for new a gas boiler and is looking for quotes. Confirmed interest via SMS/ and needs advice on which boiler model to choose. Please call to arrange appointment
London - W14
Enquiry from: G S
Start Date: Immediate
Call anytime. Extent of work: New Boiler Type of building: Flat Fuel: Mains gas Number of radiators: 0 Quote requested on boiler replacement
London - N9
Enquiry from: Michel Silva S
Start Date: Immediate
Customer in the London area made an enquiry online for a new boiler and is waiting for a call. Confirmed interest. Please contact to arrange an appointment to discuss options for their home.
London - N19
Enquiry from: Turabi A
Start Date: Immediate
Customer is looking to have a new gas boiler installed. They are unsure if they have a system or a combiboiler. Please contact them to discuss what boiler would be best suited for their home.
London - N19
Enquiry from: Artan T
Start Date: Immediate
Customer in the London area made an enquiry online for a new boiler and is waiting for a call. Confirmed interest. Please contact to arrange an appointment to discuss options for their home.
London - SE6
Enquiry from: Venu G
Start Date: Immediate
Customer made an enquiry online for a gas boiler replacement via one of our websites. Confirmed via SMS at 11:15 Confirmed interest via phone at 11:16 Customer lives in London area. Please call to arr...
London - SE15
Enquiry from: Sheila S
Start Date: Immediate
Customer living in London area made an enquiry for new boiler quotes via one of our websites. Customer confirmed interest via , SMS at 05:32 Homeowner needs advice on the boiler make and model to choo...
London - E4
Enquiry from: Nurcan H
Start Date: Immediate
customer made an online enquiry for new a gas boiler and is looking for quotes. confirmed interest via and needs advice on which boiler model to choose. please call to arrange appointment
London - SW16
Enquiry from: Philip W
Start Date: Immediate
Customer made enquiry for a gas boiler replacement in London. They are unsure what brand to go for and would like advice. Please contact to appoint
London - SE23
Enquiry from: Stanley T
Start Date: Immediate
Customer made an online enquiry for new a gas boiler and is looking for quotes. Confirmed interest via SMS/ and needs advice on which boiler model to choose. Please call to arrange appointment
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Would highly recommend, they found me a firm which I was happy with a quote they give me and went ahead and had my job done within 2 days of enquiring.
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Condensing boilers are the in-thing when it comes to modern heating systems in UK homes and across the globe for a good reason. This is primarily due to the fact that condensing boilers happens to be highly efficient as it enables the fuel you’re burning to heat up your home go a lot further. Having a new high efficiency condensing boiler rather than an old G-rated non condensing boiler will not only enhance your heating controls, but also save you a lot of money annually. In this article, we’re going to take you through the basics of a condensing boiler. Let’s take a closer look!
If you’re interested in getting a greener and more efficient boiler, you simply can’t afford to look beyond a high efficiency condensing boiler. This is purely due to the fact that these condensing boilers happens to make a better use of the heat they’re able to produce from burning fuels like oil or gas ( in other words, they require less heat from the burner, which makes them a lot more efficient).
So how does a condensing boiler work? Unlike a non-condensing heat-nly boiler, some heat will be wasted in form of hot gases which are released from the flue. Meanwhile a condensing boiler captures some of the heat from these gases and puts them to use for heating up water that’s coming back from your central heating system. As a result, it requires just a minimal heat from the burner which make the boiler more efficient.
You should take note that all new modern boilers are condensing boilers. Therefore if you’re planning to replace an old boiler with a new one, you’ll definitely be buying a new condensing boiler and benefit from all the efficiency and savings that comes with it.
The size of boiler you need will depend on the size of your home, how many radiators and bathrooms you have and how many people live there. The boiler size refers to its output, which is measured in kilowatts (kW), rather than the actual dimensions. Speak to your boiler engineer about which boiler is suitable for you, as if you have more than one bathroom or a lot of people in your home a combi boiler might not suit you. Other boiler types such as system boilers or conventional boilers may be better suited to larger homes because they have bigger outputs.
Re-pressurising your boiler means that you allow more water to enter system via the filling loop. It can be easy to re-pressurise your boiler yourself. Always check your manual, but there are some simple steps you can take to restore pressure to your boiler:
• Switch off your boiler and let it cool completely
• Make sure both ends of your filling loop are attached
• Open both valves to allow cold water into the system – you’ll hear it start to move
• Look out for your pressure gauge to show 1.5 bar
• Close both valves
• Switch your boiler back on
• Undo both ends of your filling loop and remove it. Remember some water might come out, so be ready to catch some spillage!
If you get the right size boiler for your home and you get it serviced regularly, your boiler could last up to 15 years. It may even last longer than this, but you’ll find that your boiler begins to become less efficient as it gets older. Also, as technology improves, a boiler older than 15 years may not be the most efficient one on the market.
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