Best Combi Boilers by Brand
Worcester Bosch Greenstar 4000
From £1,800 installed. 25-30kW. 10-year warranty. Most recommended by Gas Safe engineers. Quiet operation.
Vaillant ecoTEC Plus
From £1,700 installed. 25-38kW. Up to 10-year warranty. Excellent efficiency (94%). German engineering.
Ideal Vogue Max
From £1,400 installed. 26-40kW. Up to 12-year warranty. Best value premium combi. Made in the UK.
Baxi 800
From £1,200 installed. 25-36kW. Up to 10-year warranty. Budget option with decent reliability.