Home Carbon Hub.
UK home energy retrofit, with the real numbers.

Independent · Source-cited · Non-commercial

Home retrofits,
with the real numbers.

Working out whether to insulate, switch boiler, or fit a heat pump shouldn't take four weekends and a salesman's spreadsheet. We publish plain-English breakdowns of the costs, payback and grants. Every claim is cited to gov.uk, the Energy Saving Trust, MCS, or another primary source.

Start with heat pumps →
Row of London terraced houses with characterful coloured front doors and slate roofs under a cool overcast sky

Sources we work from

  • gov.uk
  • Energy Saving Trust
  • MCS
  • Ofgem
  • Office for National Statistics

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Featured guide

Cornerstone · Heat pumps · 9 min read · with eligibility tool

Are heat pumps worth it in the UK?

An honest 2026 cost / benefit answer with the Boiler Upgrade Scheme grant, install cost by house type, running cost vs gas, and what a heat pump won't fix. Includes a 5-question eligibility check for your own house.

Read the guide →
Modern outdoor heat pump unit installed beside a brick house