combi boiler size

what size boiler do i need

What Size Boiler Do I Need? A Simple UK Guide (2026)

A lot of homeowners reach the same point at once. The old boiler is noisy, the hot water has become unreliable, or a new home purchase has raised an awkward question nobody covered during viewings. Then the quotes start arriving with numbers like 24kW, 30kW, and 35kW, and it suddenly

what size of boiler do i need

What Size of Boiler Do I Need? A Simple 2026 UK Guide

A lot of homeowners ask what size of boiler do i need when the old one starts making noises, the hot water turns unreliable, or a quote lands with a boiler size that means nothing to them. Most aren’t really asking about the box on the wall. They’re