New Gas Boiler in London

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New Gas Boiler in London

Are you searching for Combi boiler in London? Our network of installers can aid with your project. All of our Heating Engineer's in London are checked so you can see local reviews, when business was established, ratings, satisfaction and price,  permitting you to make the appropriate decision on who to work with. Allow us take the trouble out of discovering approximately 4 experts for your Combi boiler task.

Your boiler may be the single crucial item in your home, specifically around wintertime. So when it relates to preserving your central heating boiler or central heating boiler replacement, it's necessary to see to it you get it right.

The replacement of central heating boilers can be finished within 1 day, to ensure that you can start generating warm for your family immediately. The Gas Safe registered fitter in London will certainly work out the size of heating unit you will certainly require for your residence based upon specifically how much heat is called for. The combi boiler will certainly be connected by a Gas Safety registered specialist and all the critical evaluations will certainly be done to ensure its security and performance. New central heating central heating boilers are made to melt fuel successfully, making sure you lower your heating payments by 100s of pounds every year. Do not fail to remember that A-rated central home heating boilers will work more successfully, assisting you produce also greater annual cost savings in London

 

What is a Combi Boiler:

Combi central heating boilers or combination boilers are the UK's most favored replacement gas combi boiler installment, with over 50% of new systems being a combi.

A combi central heating boiler is just a 'combination boiler' - it regulates both your heating and also hot water, supplying them both quickly on-demand, and does not need a warm water cylinder to be warmed prior. They are even more effective than immersion heaters, so if you have one, it's definitely worth considering an upgrade.

Combi gas boilers are extremely efficient condensing central heating boilers, transforming more fuel into useful heat. This is implemented with a larger flue, which catches more of the hot gases and stops them from escaping. Combi central heating boilers are also common because they provide home owners with hot water on demand, scrapping the requirement for water tanks in the loft or broadcasting cabinet. This also means you'll save plenty of area in your home.

 

Exactly how to understand when to obtain a new boiler?

Right here are our top 6 simple tips to aid your decision:

  1. If your central heating boiler has a continual pilot burner. (This is the fire you can see shedding with a tiny window on the front of some central heating boilers.) This is a typical function on older central heating boilers and also it's a genuine waste of gas.
  2. If your central heating boiler gets on the flooring instead of on the wall surface, it is most likely to be older and much less energy-efficient. In this scenario it's a great idea to think about a replacement boiler.
  3. If your central heating boiler is past the point where it's inexpensive to repair it. If you  have actually called out a certified heating engineer to consider your boiler and they've informed you that it  goes to the point of no return then it's time to buy a central heating boiler replacement.
  4. If you wish to market your residence or you're remodeling your house, a brand-new boiler can include in its value.
  5. If your boiler doesn't offer you the control over your home heating that you need - for instance if the controls or timer aren't very flexible, or there isn't a thermostat - a brand-new central heating boiler may be a great option when it concerns assisting to reduce your heating bills. In some circumstance, you might be able to escape simply installing new controls.
  6. If your boiler is G-rated for energy performance it's a good suggestion to change it.

 

Just how much is a new gas boiler fitted?

Central heating boiler installation costs differ immensely, depending on just how much work is required, the parts required, their schedule, where you live as well as who you employ for the task.

Combi boiler replacement prices Combi central heating boilers are excellent for smaller houses or apartments that usually have one shower room. A combi boiler heats up water on demand and doesn't require a huge warm water cyndrical tube or feed container.

Aspects effecting rate include:

  • Quantity of new pipework that needs including
  • Complexity around your central heating boiler flue
  • If you need to relocate your boiler, exactly how much does it require to relocate
  • What floor the boiler is on (flats might call for scaffolding).
  • Location in the UK
  • The firm you choose to install your new central heating boiler.
  • Service warranty size.

However, a straight-forward combi swap is the most preferred and also usually the least costly.

Combi boiler expenses in London £1,343 - £2,859 A brand-new combi boiler expenses anywhere from £1,343, all the way up to £2,859, including replacement, depending upon the sort of central heating boiler you 'd such as, its warranty size, how complex the required installation is, and also what the work expenses are for the company picked.

Who should install a brand-new gas central heating boiler.

A new central heating boiler must only be put in by a train Gas Safe Heating Engineer. We will provide as much as four Combi boiler pros locally, that will offer quotations for the job you want done. You'll get a home visit from professionals in London who'll help you to select the ideal Combi boiler for your residence before executing the installment. Enter your postal code to begin browsing now.

Average Combi boiler cost in London

The common cost of replacing your gas boiler is £2,134. Costs vary based on the type and brand of boiler you choose as well as the contractor you decide to go with. For example, a small local business may be able to offer a better price than a large national company as they will have fewer overheads. It' best to get a range of quotes from different boiler engineers so you can compare prices, reviews and references before going ahead.

Average price per Combi boiler job in 2025

Avg. price low

Avg. price low
£1,343

Avg. price

Avg. price
£2,134

Avg. price high

Avg. price high
£2,859

£3000

£2250

£1500

£750

£0

Prices based on actual Combi boiler costs for London, as reported by local LeadsDoWork members.

Combi boiler installation cost in London 2025

Labour cost £1,750
Material cost £625
Waste removal £125
Time frame: 1-2 days

Combi boiler searches in February 2025

Combi boiler Projects in London in January 2025

262,017

Requests for quotations in London in January 2025

9,900

Requests for Combi boiler quotations in London in January 2025. -18% change from December 2024.

8,100

Requests for Combi boiler quotations in London County in January 2025. 0% change from December 2024.

We noted 262,017 requests for home quotations in London. Of these quotation requests the number of combi boiler quotes in London was 9,900. Quotatis would have been able to match these customers with up to 4 suitable fitters who were available for work in London during that time. Ask for a free home survey from trustworthy companies within London.

Source: Numbers calculated based on the search volumes in major search engines

Combi boiler searches in cities and towns near London January 2025

9,900

Requests for quotations in London in January 2025

London

London is the capital city of England and it is still caught in the euphoria of the 2012 Olympic Games which brightened the city. The multimillion pound venture helped to produce a number of brand new jobs about the city and saw a number of housing developments mainly in the Stratford region. London remains to be the most popular tourist city in Britain with sight-seeing opportunities including Buckingham Palace, Big Ben, Madame Tussauds and the Thames River. Houses are diverse as well, dating back to Tudor, Georgian and Victorians times.

Latest Combi boiler completed projects

  • Completed Combi boilerproject picture by Snappy Heating LTD
  • Completed Combi boilerproject picture by M.A.C. Heating Services
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    Combi boiler pros in London

    Glowarm Central Heating LTD

    57 review(s)
    Based: in Mitcham, CR4 4BE

    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...

    Latest review

    Guy D., SE25
    5

    Heating | Gas | Boiler Replacement in London

    Glowarm were great, quick and very progressional..gave us. A few options and discussed honestly on what they would sugge...

    Walsh Plumbing Ltd

    1 review(s)
    Based: in Stevenage, SG1 5HR

    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...

    Latest review

    Rod C., MK41
    5

    Heating | Gas | Boiler Replacement in Bedford

    Attentive management: Sensible prices without quibbles re minor changes : Excellent plumber who was polite, cleaned up w...

    WarmZilla Limited

    6 review(s)
    Based: in Cardiff, CF10 3AG

    The modern way to buy a new boiler Save yourself time and money buying your new boiler by choosing WarmZilla.

    Latest review

    Mohammed A., B29
    5

    Heating | Gas | Boiler Replacement in Birmingham

    Very good

    Swale Heating LTD

    20 review(s)
    Based: in Sittingbourne, ME10 3SA

    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...

    Latest review

    Gita P., IG1
    4

    Heating | Gas | Boiler Replacement in Ilford

    Good advice.

    Habitat Expert

    2 review(s)
    Based: in Surbiton, KT6 7NA

    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...

    Latest review

    Terence T., KT2
    5

    Heating | Gas | Boiler Replacement in Kingston upon Thames

    very expert and prompt

    CH Installations LTD (Ta) C H Westend

    22 review(s)
    Based: in London, W3 8QU

    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...

    Latest review

    Patricia A., W7
    5

    Heating | Gas | Boiler Replacement in London

    Great job, very efficient and professional. Very pleased with the service.

    DCD Boilers

    4 review(s)
    Based: in Horsham, RH12 3BY

    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...

    Latest review

    Jeremy H., KT18
    5

    Heating | Gas | Boiler Replacement in Epsom

    Excellent service, excellent quality, excellent price.

    Snappy Heating LTD

    6 review(s)
    Based: in Barnet, EN5 2TX

    "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...

    Latest review

    Paul M., HA7
    5

    Heating | Gas | Boiler Replacement in Stanmore

    Best ever and a very good job

    Joao Gaspar

    1 review(s)
    Based: in London, NW6 7QN

    WORKS WE PROVIDE : Boilers installations Boiler servicing Boiler repair Heating maintenance Gas safety certificates Plumbing maintenance

    Latest review

    Randa D., W7
    5

    Heating | Gas | Boiler Replacement in London

    Competitive, conscientious and friendly. Trustworthy and honest. Punctual and reliable. Highly recommended.

    Help-Link UK LTD

    11 review(s)
    Based: in Leeds, LS15 8ZB

    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...

    Latest review

    Eva T., HR4
    5

    Heating | Gas | Boiler Replacement in Hereford

    Customer friendly.

    Similar Customer Enquiries for Combi boiler in London

    03 Feb

    Heating | Gas | Boiler Replacement

    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.

    Post a similar request >

    01 Feb

    Heating | Gas | Boiler Replacement

    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...

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    17 Jan

    Heating | Gas | Boiler Replacement

    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...

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    14 Jan

    Heating | Gas | Boiler Replacement

    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

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    06 Jan

    Heating | Gas | Boiler Replacement

    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

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    23 Dec

    Heating | Gas | Boiler Replacement

    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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    20 Dec

    Heating | Gas | Boiler Replacement

    London - SE26

    Enquiry from: Steve N

    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

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    16 Dec

    Heating | Gas | Boiler Replacement

    London - E18

    Enquiry from: Edgar C

    Start Date: Immediate

    Customer made an online enquiry for new a gas boiler and is looking for quotes. Confirmed interest via /phone and needs advice on which boiler model to choose. Please call to arrange appointment

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    10 Dec

    Heating | Gas | Boiler Replacement

    London - W2

    Enquiry from: Zouheir J

    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.

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    06 Dec

    Heating | Gas | Boiler Replacement

    London - NW9

    Enquiry from: Anita D

    Start Date: Immediate

    Customer made an online enquiry for new a gas boiler and is looking for quotes. Confirmed interest via SMS//phone and needs advice on which boiler model to choose. Please call to arrange appointment

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    06 Dec

    Heating | Gas | Boiler Replacement

    London - SE28

    Enquiry from: Sade O

    Start Date: Immediate

    Customer is looking to replace their gas boiler. They are not sure what brand or model to go for so please call to discuss what options would be best for their home. Gas boiler replacement Supply and...

    Post a similar request >

    03 Dec

    Heating | Gas | Boiler Replacement

    London - NW9

    Enquiry from: Anita D

    Start Date: Immediate

    Customer made an online enquiry for new a gas boiler and is looking for quotes. Confirmed interest via /phone and needs advice on which boiler model to choose. Please call to arrange appointment

    Post a similar request >

    03 Dec

    Heating | Gas | Boiler Replacement

    London - N19

    Enquiry from: Tony G

    Start Date: Immediate

    are you the property owner: owner of the property

    Post a similar request >

    29 Nov

    Heating | Gas | Boiler Replacement

    London - E5

    Enquiry from: Lola Sodeinde A

    Start Date: Immediate

    Customer is looking for a new gas boiler. Confirmed interest via phone at 11:53 Unsure of the right boiler for their home so needs to discuss options. Please call to arrange an appointment

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    27 Nov

    Heating | Gas | Boiler Replacement

    London - SE26

    Enquiry from: Adeyemi S

    Start Date: Immediate

    Call back anytime. Extent of work: New Boiler Type of building: Detached Fuel: Mains gas Number of radiators: 7 Quote requested on boiler replacement

    Post a similar request >

    17 Nov

    Heating | Gas | Boiler Replacement

    London - SE26

    Enquiry from: Adeyemi S

    Start Date: Immediate

    Customer is looking to replace their gas boiler. They are not sure what brand or model to go for so please call to discuss what options would be best for their home. Gas boiler replacement Supply and...

    Post a similar request >

    14 Nov

    Heating | Gas | Boiler Replacement

    London - N7

    Enquiry from: Sen J

    Start Date: Immediate

    customer in the london area made an enquiry a couple of projects including gas boiler replacement.call anytime and arrange an appointment to discuss. below is some details about this project: are you ...

    Post a similar request >

    12 Nov

    Heating | Gas | Boiler Replacement

    London - SW15

    Enquiry from: Minoo S

    Start Date: Immediate

    Customer is looking for a new gas boiler. Confirmed interest via phone at 11:46, SMS at 11:46 Unsure of the right boiler for their home so needs to discuss options. Please call to arrange an appointm...

    Post a similar request >

    10 Nov

    Heating | Gas | Boiler Replacement

    London - SE15

    Enquiry from: Bayika M

    Start Date: Immediate

    Customer made an online enquiry for a new gas boiler. Homeowner confirmed interest via /phone Considering a range of options Homeowner lives in London area Please call to arrange appointment and disc...

    Post a similar request >

    04 Nov

    Heating | Gas | Boiler Replacement

    London - SE8

    Enquiry from: Sadaf A

    Start Date: Immediate

    Customer living in London area made an enquiry for new boiler quotes via one of our websites. Customer confirmed interest via phone at 19:00 Homeowner needs advice on the boiler make and model to cho...

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    FAQs

    how does a gas boiler work?

    A boiler is simply the most important part of a central heating system as it generates the heat that warms up the home or property. Basically, the appliance or small furnace makes use of gas, LPG or oil in order to fuel its operation. However in the UK, most boilers are usually fuelled by natural gas which is supplied automatically from the national gas grid. And depending on how it operates, there are various types of boilers.

    Typically, a gas central heating boiler will have multiple pipes entering from underneath. While one pipe supplies the boiler with gas from the mains gas supply, another pipe allows cold water to enter the boiler to be heated, the last pipe then enables hot water to exit the boiler so it can be distributed around the home.

    ✓ There are fuel jets and heat exchangers inside the boiler. When the heating is turned on, a valve is opened to allow the mains supply gas to enter a sealed combustion chamber in the boiler. There are multiple little valves which permit the entry of the gas before being ignited by an electric ignition switch. These jets heat a metal component in the boiler known as a heat exchanger which works to transfer the heat to the cold water pipe and heat up the water.

    ✓ Once the water has been heated to the target temperature, it’s then pumped through a circuit of pipe which runs around your home by an electric pump.

    ✓ The heated water enter each radiator, is then transmitted via a closed loop and radiates heat into each room.

    ✓ Once done travelling through all radiators, the water then returns to the boiler at which it must have been cooled. Therefore, the boiler will have to reheat following the same process before circulating. The water can only be drained by a professional Gas Safe engineer

    how much is a british gas boiler?

    If you’re looking for a reliable or reputable source for your new gas boiler, you definitely won’t find much better than British Gas. Using a big firm like British Gas comes with a plethora of benefits , but of course there are also some drawbacks, with the boiler prices being the main one and biggest turn off for most homeowners. However, just before we delve straight in to the price, let’s look at a thing or two about the big company.

    The company, “British Gas are not a boiler manufacturer as you probably would have first imagined. They’re actually a company that specializes in the installation of boilers. As a result, they’re able to install just about any type of boiler you can imagine from any manufacturer. Be it a Worcester Bosch Greenstar 8000 Style or a Baxi 600, they’re able to provide you with the cost of having these boilers installed in your home or property.

    Combi boilers are perfect boilers for space-saving and this makes them very popular on the market. They’re also very efficient when it comes to heating water instantly and warm your in few minutes. The price of a new British Gas combi boiler varies on a number of factors. Generally, the installation prices of combi boilers start from £1,800. Therefore, if British Gas are to be competitive with their pricing it should also be around this price.

    However, if you have a large house with several rooms with a higher demand for hot water, British Gas will most likely recommend boilers such as Worcester Bosch 440CDi and the likes. Judging from other firms in the market, the price to have these types installed should be in excess of £3,000.

    how much is a new gas boiler?

    If you’re thinking about getting a new gas boiler for your home or property, then you might also be wondering how much it’ll cost you so you can set a budget and start planning. As simple as this question sounds, it’s actually very tricky to provide a simple and short answer as the costs of installing a new gas boiler alone varies greatly based on the parts needed, the amount of work required, your location, their availability as well as the company you hire for the project.

    When it comes to purchasing a new gas boiler the price you’re expected to pay also depends on multiple influencing factors such as the type, brand as well as your most preferred gas boiler model. However, one thing you should have in mind is the fact that your gas boiler is right at the heart of your home or property and can be a complicated piece of machinery. As a result, you wouldn’t expect gas boilers to come cheap. Generally, it’s going to cost within the range of £500 to about £2,500 to get a new gas boiler. Therefore, it’s always advisable to obtain all necessary details and facts before you decide to purchase a replacement gas boiler.

    This price range may seem too high as it’s usually a turn off for most homeowners. However, it’s worth noting that gas boiler replacement costs and gas boiler installation costs are, more often than not, compensated by the saving you’ll make off your utility bills - all thanks to the new and more energy efficient boiler you just installed in your home. And even more importantly, when it has been estimated that roughly half of the amount spent on energy on an annual basis depends on your boiler.

    do i need a new boiler?

    Ad hoc visits from your engineer to fix small issues with your heating system may actually seem cheaper and a lot more affordable, however when a boiler is ripe enough for a change these small issues are always never ending. Over some period of time, these small issues will inevitably get worse and the idea of “mend and make do will be an absolutely false economy. The best course of action in this sort of event is to find a replacement boiler to install as soon as possible. In this article, we’re going to give you some hints that’ll show you when your boiler needs to be replaced. Now let’s take a look!

    ✓ Insufficient hot water. Here, you’ll have to check the size of your hot water cylinder. It’s crucial to make sure that your boiler is rightly sized to power your heating as well as hot water circuit in line with your demands. You should always seek the advice of a heating expert who can recommend whether to fix or replace the boiler.

    ✓ Strange noises. It’s normal for components of the boiler to become worn or damaged over time. Replacing the particular component that’s causing the knocking or rattling may seem cost effective at first but more often than not, the noises usually signal a bigger issue which is likely to build up over time. Hence, it’ll be a lot more logical to replace the boiler itself.

    ✓ Regular repair of your boiler. It’s essential to have your heating system serviced by a Gas Safe engineer on an annual basis. However, when you have to call them more often than once a year for your yearly maintenance, it may be a wise decision to consider getting a replacement.

    ✓ Other events whereby you may need a new boiler includes when you can’t get the right temperature in your room, when the radiators don’t heat up as they should, when your boiler leaks and if your boiler still has a pilot light.

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