We have had several quotes to replace our Glow Worm Hideaway 70 boiler with a new condensing heat only one.
Sizes we have been recommended vary between 18kw and 30kw.
We have a 3 bedroom detached house with 14 radiators split between 4 doubles and 6 singles, plus 950 x 400 hot water cylinder...
Our 23 yr old Glow Worm boiler needs replacing and the new one re-sited from the middle of the kitchen to an outside wall.
The choice of replacement seems to be between an Ideal Logic+ and a Vaillant Ecofit Pure .
We have a hot water tank in the airing cupboard and cold water tank in the loft...