New Combi Boiler Cost 2025
Find out exactly how much a new combi boiler costs in 2025, including installation, parts, and labour.
How Much Does a New Combi Boiler Cost?
A new combi boiler costs between £999 and £2,500 fully installed in 2025. The final price depends on the boiler brand, output size, and complexity of the installation.
Cost Breakdown
- Budget combi boilers (Ideal, Baxi): £999–£1,400 installed
- Mid-range combi boilers (Vaillant, Alpha): £1,200–£1,800 installed
- Premium combi boilers (Worcester Bosch): £1,500–£2,500 installed
What Affects the Price?
Key factors include the output size (24kW to 40kW), whether a flue extension is needed, the distance from the gas meter, and whether any pipework needs upgrading. At Corby Boiler Installations we give fixed transparent quotes with no hidden charges.
Payment Options
You don't need to pay everything upfront — ask us about spreading the cost, and we'll talk you through what's available.
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