How long does it take to fit a new boiler?

This is a common question from homeowners looking to fit a new boiler in their home. And, there’s not a single answer, because the time it takes to install a boiler depends on a number of factors. In fact, it can vary from 4 – 6 hours to 3 – 4 days.

Here are some details affecting the time it takes to fit a new boiler:

• Whether you’re replacing an existing boiler or it’s the first time you’re installing one in the property
• If you’re fitting the new boiler in the same place or moving the location
• The type of fuel you’re using and whether it’s different to your current supply
• The type of boiler you’re installing and whether it’s different to the existing boiler
• Access to the property and boiler location(s)

Average timings for fitting a new boiler

Although the installation time depends on your exact boiler, heating system and property, here are some of the average times for fitting a new boiler in a home in the UK:

• Straight boiler swap (like-for-like in the same location) – 4 – 6 hours
• Changing the location of your boiler – 1 – 2 days
• Installing a completely new combi boiler – 1 – 2 days
• Changing the type of boiler – 2 – 3 days
• Changing boiler fuel type – 2 – 3 days
• Changing the type and location of boiler – 3 – 4 days

Whatever your boiler situation, we would always recommend speaking to local boiler fitters to get their professional advice. An experienced boiler installer will be able to provide expert guidance on timings and costs for fitting a new boiler.