Do you need a new boiler installed? Are you wondering how much is a new boiler? Are you trying to figure out whether you should replace, repair, or service your boiler? This new boiler cost guide will tell you everything.
You may be looking at new boiler options if your current boiler is failing, out of warranty, not performing well, or nearing the end of its useful life. These issues should be considered when weighing the costs of replacing or repairing your existing model.
Quick Facts
Boiler supply and installation costs range from £2,000 to £4,000
Gas boilers cost around £90 per month to run.
Boilers typically last between 10 and 15 years.
A new boiler can be more efficient than 90%, while older models may have less than 50% efficiency.
The improvements in efficiency and lower heating bills can make a new boiler a worthwhile investment. This guide will show you how much it costs to install a new boiler.
These are some easy ways to determine when your boiler needs to be replaced.
Your boiler does not offer sufficient flexibility or a thermostat.
Your energy bills are rising even though you’re not using your boiler as much.
The boiler system’s ‘dry cycle’ wastes energy because it continues heating your home even though it is at the desired temperature.
A continuous pilot light is installed in your boiler. This is common for older boilers as well as waste gas.
Your boiler is already G-rated for efficiency.
This guide will help you get a rough idea of the cost of a new boiler and other associated costs.
Because there are many variables to consider, it is difficult to calculate the average cost for a replacement boiler. It is important to invest in quality manufacturing of your boiler. This will lead to higher costs in the long-term.
The cost of the boiler alone can be between £500 and £3,000, without any labor. A new boiler supply and labor to install it will usually cost between £2,000 and £4,500.
These costs are a guide only and prices for new boilers will vary. Before you commit to a boiler, it is important that you have the right boiler for your household.
What is the cost to have a new boiler installed?
The cost of installing a new boiler depends on whether it is being replaced, converted to another type, or moved to a new place. If you are looking to convert a boiler from a back boiler into a combi, it will cost between £3,000 and £5,000.
You would spend approximately £1,400-£2,000 if you swapped a combi for another. If you needed to move it, however, the cost could rise up to around.
You will also see a wide range in the cost for a new boiler installed depending on whether you choose to have them fitted by a national company or a small business. Sole traders may be employed by large national companies to install your boiler.
We’ve already mentioned some types of boilers. You won’t be able make the right choice for your home if you don’t know much about them. Let’s take a look at the different types of boilers.
The UK has three main types: system, combi and regular. Are you unsure which boiler type is right for your home? If in doubt, use our quick guide below:
Checklist for quick boiler types
A combi boiler will not require a storage tank.
A system boiler can have a hot water storage tank installed in an airing cupboard.
A regular boiler will have a hot water storage tank inside an airing cupboard, and a cold water storage container in the loft.
Notice: Make sure the cold water storage tank is connected to the loft. The house might have been upgraded to a system boiler.
Below are estimates of the approximate cost of boilers.
A combi boiler produces hot water instantly from mains water. This is in contrast to system and conventional boilers that require a hot water storage cylinder.
Combi boilers offer the choice of stored hot water or direct-fired hot.
In the event of a boiler failure, an immersion heater provides hot water backup.
Traditional tank-heated airing cabinet
Unlimited hot water at any one of the outlets
How much does a combi boiler cost to install?
A combi boiler installation costs on average £3,000. However, prices for a new boiler installation can vary depending on many factors, including the type of boiler that is being replaced.
The cost to install a combi boiler will be more expensive if you are replacing an older type of boiler.
Different types of combi boilers
Once you have decided on a combi boiler, you need to choose the type. The most popular type of combi boiler in the UK is the gas one, but there are also oil, LPG, and electric options.
Gas combi boilers are natural gas-powered and a popular choice for homes that have gas connections. Installation costs for gas boilers are relatively low compared to other options.
If you don’t have a gas connection to your home, oil combi boilers may be an option. Instead, an oil storage tanker can be installed in your home. Due to the additional tanker and connections required, oil boiler installation can be expensive.
LPG combi boilers are made from liquefied petroleum gases (or LPG), and provide hot water in a cost-efficient manner.
Electric combi boilers work slightly differently because they heat water using a hot element rather than burning fuel. While electric combi boilers are the most affordable, their running costs can be quite high.
The pros and cons of installing a combination boiler
Before you rush to install and buy a combi boiler, consider the pros and cons.
Pros
High energy efficiency
Lower energy bills
Compact size
It is easy to install
Hot water available upon request
Cons
Large homes are not suitable
Old pipework may not be compatible
Homes with low water main pressure are not recommended
Installation of a gas combi boiler
Gas combi boilers are compact and energy-efficient, which means lower energy bills. You can also expect hot water on-demand, which is a big plus in the winter months.
Gas combi boilers can work better in smaller homes, and may not be compatible with older pipework.
The average cost of a gas boiler supply and installation is £2,400 plus VAT if you choose a combination boiler.
Cost of electric combi boiler
Electric combi boilers heat water using electricity. Because there is no gas pipe or flue, they are usually smaller and quieter than gas boilers.
They are also better for the environment. An electric combi boiler is a great alternative to gas. Most units offer at least 91% efficiency. This means that you will get a similar transfer of heat to electricity.
Electric combi boilers are expensive, but the benefits they offer can be far more than their costs. One downside is the fact that power outages can result in reduced heating and hot water availability. This may be something you should consider if you are prone to. We’ll also discuss the higher running costs of electric boilers.
The starting price for an electric combi boiler is approximately £1,100.
Running an electric combi boiler is expensive
These boilers can be repaired quickly and are easy to maintain, but electric combi boilers can be costly to run. Based on the UK average cost of £0.28/kWh, an electric 12kw boiler running at 70 hours per month would run for £235. A gas boiler would cost only £90 per month.
Because electricity costs more than gas, this is because it is cheaper. However, electric boilers are more efficient than gas, so you will get more heat for the same price. It may be cheaper to heat your home with electric boilers. You can also reduce your running expenses by using renewable energy sources.
Electric boilers are cheaper than other types, and electric combi boilers run costs for the same output are comparable to other fuels. Isn’t this time it?
Oil combi boiler installation cost
An oil combi boiler is a great option for heating your home or water if your property doesn’t have an electric or main gas connection. Although they are less expensive than electric boilers, oil combi boilers can have higher installation costs.
Oil combi boilers can provide hot water as well as central heating when needed. A single system is all you need, without the need for additional storage tanks or boilers.
A combi boiler may be the best option for you. The average cost of an oil boiler is £3,675.
How much does it cost to install a boiler system?
The cost of a new boiler system is approximately £1,300 + VAT. This boiler is different from a combi boiler. System boilers can also be used to fuel oil, gas, or electricity, just like combi boilers.
System boilers supply hot water to your central heating system and store it in a cylinder for domestic use. These boilers can be fed from the mains water supply.
It is possible that you are not sure if your home has a system boiler. Most homes built after the 1960s have a system boiler. A system boiler requires a cylinder to store hot water. This is usually found in an airing cupboard.
Below are the average fuel costs for a new boiler system.
The average cost of a new gas boiler is £2,700.
The average cost of a new oil system boiler is £3,163.
For more information on electric boiler prices, please read the following.
Alternately, if you are looking to replace/upgrade the system boiler, the price you pay will only cover the boiler and not the tank.
While some people choose to replace their boilers with combis, others prefer to buy a newer boiler. A basic five-year warranty boiler will cost you £1,600+. The cost of a new, high-end boiler system will be around £2,500. Both prices include installation and supply.
There are pros and cons to installing a boiler system
Before you decide whether or not to buy a new boiler system, take a look at the pros and cons of owning one.
Pros
Compacter than traditional boilers and does not require a cold water tank.
You can supply hot water to multiple taps at once.
Excellent mains water pressure
Can be used in conjunction with solar energy.
Cons
You will need hot water before you use it so plan ahead.
Combi boilers are larger than theirs.
Your tank size will determine how much hot water you have.
System boilers are more expensive than electric boilers.
We highlighted many great benefits of this type boiler in the section on electric combi boiler costs. These benefits are still valid for system boilers.
Installation is quicker and more affordable than with other fuel types.
Lower maintenance costs
There is no risk of gas leaking.
Minimize environmental impact
Average new electric boiler supply cost is £1,202. We believe that electric boilers offer significant savings when compared to oil and gas boilers.
Running an electric boiler costs
We’ve already shown in the section on electric combi boiler running cost that while the fuel cost for running an electric boiler may be higher than other fuel sources but the increased heat output can offset it.
You should also consider that how your home is designed can impact the cost of heating it. Every aspect of your home, from the insulation level to the number and size of the windows, plays a part in how much you pay for heating. Your electricity tariff can have a significant impact on the running cost of your electric boiler, so make sure you shop around to find the best rate.
A biomass boiler uses wood pellets from sustainably sourced forests, which is different than a gas or oil boiler. Because the fuel is environmentally friendly, government funding can provide a substantial rebate on running costs. Although the installation cost of a biomass boiler can be more expensive than other boilers due to its lower fuel costs, it is much less expensive.
An oil-fired combi boiler, for example, might be around £3,675 to supply, and an additional 6.5p per kWh for fuel. The cost of a biomass boiler, including installation, is approximately £16,000. However, the biomass boiler fuel costs per kWh are about 4.11p.
Pure numbers show that a biomass boiler’s fuel cost per tonne is approximately £100 for wood chips, £99 to wood logs and £200 for pellets.
You can expect to pay on average £10,000 plus VAT if you only want the boiler’s price. Installation and delivery costs for a biomass boiler range from £5,000 to £20,000 for a smaller domestic boiler to a large commercial boiler.
Because they maximize energy efficiency, condensing boilers are named so. These boilers do not allow heat to escape through the flue. Instead, they trap heat and use it to condense heat. These boilers are 90% more efficient. Condensing boilers are also very affordable.
A new condensing boiler will cost approximately £2,500 + VAT on an average.
However, installation costs can vary depending on your situation and the type of boiler. There are two types of condensing boilers: regular and combi.
A boiler that heats water is a regular boiler. It can provide energy for large houses. A combi condensing boiler on the other side does not have a hot water tank. This makes it smaller and more suitable for smaller homes and flats.
Your condensing boiler installation cost would be approximately £800 if you were replacing regular with regular. If you are switching from regular to combo, plumbing modifications may be necessary. You can expect to pay around £1,550 for combi condensing boiler installation.
Combi and system boilers may not be suitable for your needs. There are also conventional or heat only boilers. These boilers are usually less expensive than others, but they require the installation of hot and cold water tanks.
Conventional boilers heat water that has been stored until it is ready for use. They are an excellent option for large homes. A new conventional boiler can cost as low as £480 for smaller homes. However, the size you require will depend on your home’s size and your budget.
You should be aware that certain boilers are heat only and will not provide hot water. They only provide heating for your home. It is crucial to make sure you purchase the right boiler for your requirements.
The pros and cons of installing an old boiler
To determine if a traditional boiler is right for you, it’s wise to look at the pros and cons of these boilers.
Pros
This is a great way to provide warm water to multiple taps or showers.
Simple maintenance
Hot water can still be provided even if the mains pressure drops.
An immersion heater can be used in order to keep hot water flowing even when the boiler stops working.
Cons
These boilers are more space-consuming because they require hot and cold feed tanks.
Shower pressure is not always the best.
It is less efficient than other options. If water is kept for a long time, heating loss may occur.
You may run out of hot-water during high demand periods.
You might be asking yourself, “When should I replace my boiler?”
Here are some signs you might need a new boiler.
Sometimes repairs can be more expensive than buying a new one. However, if you have an older boiler you might find it possible to purchase and install a brand new boiler for the same amount as the cost of replacing the old one. It’s a good idea to replace your boiler if your estimate for boiler repair is too high.
It’s not enough: If your boiler is taking too much time to heat water, or heating up insufficiently for your family’s needs then you may need a new boiler. Your old boiler is not able to keep up with the demand.
Low energy efficiency: A boiler that consumes too much heat for its small size should be replaced. This is a significant factor when you are selling your home. Higher efficiency ratings will result in a higher price. A new boiler can increase the value of your home.
Old age: Boilers have a life expectancy of about 10-15 years. You can be certain that if your boiler is more than 10 years old, it will cost you more to repair than to buy new. You will also find it inefficient when heating. It’s time to replace it. Modern boilers have made great strides in the past 10 to 15 years. You’ll be amazed at the efficiency, performance, and smart tech that are available for new boilers.
Although it is not as important as the others, being able reach your boiler from anywhere is crucial. You may need to move it if you are unable to reach it due its location. If any of these points sound familiar while you are moving, it is probably time to replace the boiler with a modern one. Why? The reason is that newer models tend to be smaller and take up less space than older models. A new boiler can be a good option if your boiler is located downstairs and you have a water tank on the landing.
Do you feel you have the need for a new boiler in your home? Are you curious about the benefits that a new boiler could bring to your home? Let’s look at a few benefits you might get from one.
Energy efficiency: A new boiler will be more efficient in terms of energy consumption. The boiler will use less power to heat. That means you’ll have a more environmentally-friendly home. Modern boilers heat only when hot water is needed. This is a great advantage. You can get hot water on demand when you turn the water tap. Bliss.
Lower heating bills = Higher efficiency means lower heating bills Your new boiler will not use as much heat energy, which will help you save money on heating bills.
A quieter home: Boilers become more noisy as they age. Your home will be more peaceful if you have a new boiler.
Larger boilers require more space. New boilers are smaller and more space-efficient. A new boiler will allow you to use more of the space you already have in your boiler cupboard. You might also be able move the boiler entirely and get rid of that cupboard.
Temperature control: Modern boilers can maintain the temperature at the correct temperature much better than older models. They heat up faster and are more precise.
Property with a higher energy rating will have a better value. A new boiler will give you a higher energy rating. Your property’s value will increase as a result.
You may find that an outdated boiler is not suitable for your home or efficient. You might consider a conversion to a more efficient boiler instead of replacing it with a similar model. A conversion to a different boiler costs the same as a new installation.
You can convert your boiler to save money and heat for a longer time.