How Much Does a New Boiler Cost in 2026?

If your boiler is on its last legs, you are probably wondering what a replacement will set you back. The honest answer is that it depends on the type of boiler, the complexity of the installation, and where you live. But we can give you some solid ballpark figures based on what homeowners across the North East are actually paying in 2026.

The short answer

A straightforward boiler swap (like-for-like replacement in the same location) typically costs between £2,000 and £3,500 including parts and labour. If you need to move the boiler to a different room, add pipework, or upgrade your system, expect to pay £3,500 to £5,500 or more.

What type of boiler do you need?

Most homes in the North East have a combi boiler. It heats water on demand and does not need a hot water cylinder or cold water tank in the loft. If you already have a combi and your hot water demand has not changed, a straight swap is the simplest and cheapest option.

System boilers work with a hot water cylinder and are better for larger homes with multiple bathrooms. They cost a bit more to install because of the cylinder, but they can supply hot water to several taps at once without losing pressure.

Regular (conventional) boilers are the traditional type with a cylinder and a tank in the loft. They are less common in new installations but still found in older properties. Replacing like-for-like is straightforward, but converting to a combi can save space and simplify your system.

Boiler unit costs

The boiler itself accounts for roughly half the total cost. Here are typical prices for the unit alone in 2026:

• Budget combi (Baxi, Ideal Logic): £700 to £1,000
• Mid-range combi (Worcester Bosch, Vaillant): £1,000 to £1,500
• Premium combi (Worcester Bosch 8000, Viessmann): £1,500 to £2,200
• System boilers: add roughly £200 to £400 on top of the combi prices
• Regular boilers: similar pricing to combis

Labour costs in the North East

Labour for a straightforward combi swap typically runs between £800 and £1,500. Gas Safe registered engineers in the North East generally charge £200 to £350 per day, and a simple swap takes one to two days. More complex jobs involving moving the boiler, running new pipework, or fitting a new flue through a thick wall can take three days or more.

What pushes the price up?

Several things can increase the cost beyond a simple swap. Moving the boiler to a different location means running new gas, water, and waste pipes, plus a new flue. Converting from a regular boiler to a combi means removing the old cylinder and loft tank, which adds labour time. Difficult flue runs through thick stone walls (common in older North East properties) can also add to the bill. If your gas supply pipe is undersized, it may need upgrading too.

Magnetic filters and extras

Most installers will recommend fitting a magnetic filter (like a MagnaClean) to protect your new boiler from sludge. This costs £100 to £200 fitted and is well worth it. A system flush before the new boiler goes in costs £300 to £500 but can extend the life of your boiler significantly. Some manufacturers require a flush for the warranty to be valid.

How to get a fair price

Get at least three quotes from Gas Safe registered engineers. Check their registration number on the Gas Safe Register website. Ask each one to visit your home and assess the job properly. Be wary of anyone who quotes over the phone without seeing the property. Ask what is included in the quote: the boiler, flue, filter, controls, system flush, building regulations notification, and the manufacturer warranty registration.

Warranties and aftercare

Most boilers come with a manufacturer warranty of between 5 and 12 years, depending on the brand and model. Some manufacturers offer extended warranties if the boiler is installed by one of their approved installers. Check what the warranty covers and whether it requires an annual service to remain valid. Budget around £80 to £120 per year for an annual boiler service.

Is it worth repairing instead?

If your boiler is less than 10 years old and the repair cost is under £500, it is usually worth fixing. If it is over 15 years old, frequently breaking down, or the repair is expensive, replacement is the better investment. Modern boilers are significantly more efficient, so your energy bills should come down too.