Learn
Retrofit knowledge, written like a person, not a brochure.
Plain-language guides to the technology, the grants, and the trade-offs of upgrading a UK home. We answer the question, then we tell you where the answer breaks down.
Pick a topic
Heat pumps
Heat pumps
The technology, when it suits, when it doesn't, including the cold-weather question and what makes a UK install actually perform.
5 articles →
Solar & battery
Solar & battery
Solar PV, batteries, and the maths behind self-consumption, including the seasonal generation question.
3 articles →
Insulation
Insulation
Cavity, solid wall, loft, internal vs external: which measure suits which fabric, and where the moisture risks sit.
3 articles →
Boilers
Boilers & central heating
Combi vs system vs regular, the repair-or-replace question, and what's actually been announced about the end of new gas boilers.
3 articles →
Grants
Grants & finance
BUS eligibility, application timing, and how grant money flows in practice.
0 articles →
UK homes
UK homes
Property archetypes, on-gas vs off-gas, EPC interpretation: what's specific to your home.
4 articles →