How much does an energy storage boiler cost

What is the average cost of an electric boiler?

On average, you can expect to pay roughly £2,325 for an electric boiler, which includes installation costs. It’s also important to bear in mind that electric boilers are much more expensive to run than gas and oil boilers.

Are electric combi boilers worth it?

However, due to the high cost of electricity in the UK, electric combi boilers running costs make them far less desirable. This is especially true when you compare electric boilers vs gas boilers, specifically the cost of electricity to the cost of gas per kilowatt-hour (kWh), as shown in the table below.

Will electric boilers cost more than gas?

Currently, as of April 2025, under the current energy price cap, as decided by Ofgem, electricity costs are 4-5 times higher than gas per kWh. So, despite running at 100% efficiency, an electric boiler will likely still cost more than double compared to a gas boiler, new or old.

Why are electric boilers more expensive to run?

Electric boilers are much more expensive to run because electricity is 3-4 times more expensive than gas per kilowatt hour (kWh). On average, you can expect to pay roughly £2,325 for an electric boiler, which includes installation costs.

How many kW does an electric boiler run?

Electric boilers generally run up to 15kW. Their comparatively low output means they tend to suit smaller homes with one bathroom. Some key services help make up the total installation cost, some of which will not be necessary, depending on the condition of your existing central heating system.

Are electric boilers good for small homes?

This means electric boilers are well-sized for smaller homes but may struggle to meet the heating demands of larger properties, especially if you don't have the space for a heat-only or system boiler, and would have to go for a combi electric boiler.