The people of London are being ripped off for practically everything, but what about new boilers?
Irrespective of the type of heating system, the overall average new boiler cost in London comes in at approx. £3,700 which unsurprisingly comes in over the current national average by about a £1,000 - which to be fair, is probably cheap... for London.
We offer next day boiler installations throughout London. Simply answer these questions, get your fixed price and you could get it installed as quick as tomorrow.
Boiler install variables
So, how much will a new boiler installation cost in London?
The honest answer is it depends on a variety of factors, which can be summarised as follows:
The type of boiler you have installed e.g. combi or system
The model you choose e.g. mid-range vs. premium
If you want to move your boiler to a different location
If you want to convert from one boiler type to another
Any extras you purchase e.g. smart thermostats, filters etc
You can get a more accurate idea of how much it might cost, based on your specific circumstances by using our boiler quote tool.
Average London boiler installation costs
London combi boiler installation prices (average £3,061)
London postcode | Region | London Average |
Most expensive | SE - South East | £3,900 |
Least expensive | NW - North West | £3,125 |
A recent study showed that Londoners have the poorest relationship with their boilers, screaming at it intensely approximately every 3 minutes.
Compare new boiler quotes in London. Chances are, we can install it tomorrow and offer monthly payment plans to help you stomach that yummy London price 😋
London regular & system boiler prices (average £4,150)
London postcodeAverage pricex London average | |||
Most expensive | SW - South West | £3,734 | + 22% |
Least expensive | N - North London | £2,633 | - 14% |
Things are cheaper in The North - apparently this even applies to North London.
London boiler conversion prices (average £4,500)
London postcodeAverage pricex London average | |||
Most expensive | NW - North West | £3,658 | + 26% |
Least expensive | E - East London | £2,221 | - 23% |
What do we charge? Heatable 😍
Unlike other London boiler installers, we offer a nailed on, fixed price.
Here's a quick guide to what our baseline costs currently are for different types of combi boiler installations (July 2024):
Install Type | ~ £Cost (from price) |
Combi Boiler Replacement | £1,865 |
System/Regular Conversion | £2,345 |
Back Boiler Conversion | £2,895 |
Don't forget that we offer boiler finance options, allowing you to spread the cost of your new boiler over time. Interest-free options are also available.
Curious to know which boiler brand performed worst? Find out in our report of the worst boilers.
UK Average Boiler Installation Costs By Region
Although a crude estimation, the table below provides a regional comparison of the costs of a new boiler installation and how it lines up with the national average:
Boiler Costs by Region | x National Average |
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What boiler brands can you have installed?
We offer a range of different boilers at Heatable, from a variety of award-winning manufacturers to suit a range of budgets.
Here are the brands we offer:
Worcester Bosch boilers
Worcester Bosch is probably one of the most famous boiler manufacturers in the UK and has held a Which? Best Buy Award for 10 years in a row, they are certainly outperforming many rivals.
Together with their excellent customer service and aftercare, unbeatable guarantee offer, as well as easily sourced parts and you have the best boiler brand in the UK.
Compare new boiler quotes in London.
Viessmann boilers
Even though Viessmann are a relatively new brand in Britain, they have been dominating the European market for decades, so are by no means a new manufacturer in the space.
Renowned for its German engineering, the brand offers modern, sleek and high-performance boilers and was recently awarded the Which? Best Buy Award.
To get a fixed price on a new Viessmann boiler, click here.
Alpha boilers
Alpha boilers are an excellent choice for anyone looking for a budget-friendly alternative to the premium brands, but with equally superb design on a technical level.
Made in Italy and headquartered in Kent, they are a fantastic option for the buyer who is looking for a reliable and affordable heating solution with an incredible warranty (10 years exclusive to Heatable).
To get a fixed price on a new Alpha boiler, click here.
How long does it take to install a new boiler?
If you book your new boiler installation before 4 pm, we'll aim to get your new boiler installed as quick as 24 hours.
However, it's important to consider the type of installation you're having completed, as some will be more complex and take longer.
Installation TypeTime | |
Boiler swap | 1 day |
Boiler swap with relocation | 1-2 days |
Conversion from regular to combi | 2 days |
BBU conversion to combi | 2 days |
For example, a regular combi swap i.e. replacing your old combi boiler with a new combi boiler in the same location takes on average around a day.
However, if you are converting to a new condensing boiler type e.g. from a combi to a system boiler, it'll probably take a couple of days.
Note: we'll let you know exactly how long everything will take once you have received your quote from us.
Got an emergency? If your boiler is busted and you have no hot water, you may be interested in our emergency boiler installation guide.
Do you need a new boiler?
If your current boiler is very old, keeps breaking down or is completely busted, it's probably time to get a new one fitted.
On average, boilers last between 10 and 15 years and over time they lose their efficiency, meaning they can end up costing you more in running costs as they age.
Losing money with an inefficient boiler?
In fact, if you have an old non-condensing boiler, it could be costing you more to run and be much less eco-friendly than a modern A-rated boiler.
Boilers older than 10 years are G-rated and only have an efficiency rating of around 70%. This means for every £1 spent, 30p is being totally wasted. Modern boilers (like the one's Heatable install), are 90%+ efficient.
Beyond economical repair (BER)
Worse still, older boilers are more likely to break down and be out of their warranty period, meaning you can be landed regular with repair bills and have to pay for new parts. Often, this can end up costing you just as much, or even more as a new boiler.
If components such as a PCB or heat exchanger need to be replaced or repaired, then it may be more cost-effective to get your boiler replaced. This is referred to as a boiler that is beyond economical repair.
Boiler installation in London - Final Take...
So what's to take from all this boiler madness?
For arguably the most expensive city in the world, you're not actually getting a bad ride on boilers - particularly on combi swaps and particularly in North London.
London boiler prices are considered to be the 'funniest' prices in the UK economy.
Our take-home tip would be to - obviously - shop around and get several quotes but also to consider that many installers will be willing to travel across London so if you find a great deal on the other side of the city, don't be shy about asking if they'll cover your area. Many of them will do!
Good luck with the whole London situation, hang on in there.
Need that new boiler?
You may need a new boiler.
You may need it fast, and with affordable monthly payments.
You may even need it from a company with top end local engineers, with 10,000 Trust Pilot reviews to back them up. Plus a Which? Trusted Trader award for good measure.
You may need a new boiler quote from us, Heatable 😘
