Find your home type
Which of these is yours?
Pick the closest match. Every house type has its own sizing route — three real options, each with an indicative cost, worked out in detail once you click through.
Victorian terrace
~150m², solid walls — the hardest case, with a real number behind it.
See the options for your house type, and an estimate of what it will cost.
1930s semi
Cavity walls, usually already insulated — the most common UK house.
See the options for your house type, and an estimate of what it will cost.
1960s bungalow
Good loft space, single-storey pipe runs — a strong cooling case.
See the options for your house type, and an estimate of what it will cost.
House built since 2006
Decent insulation — the easy win, best-performing of the five.
See the options for your house type, and an estimate of what it will cost.
Rural detached
Five-bed, off gas grid — the strongest grant and running-cost case.
See the options for your house type, and an estimate of what it will cost.