Editorial
Guides
Every guide states its verdict up front and lists what would change the answer. These are prototype drafts: the figures in them are illustrative placeholders, not sourced research, and none has been independently reviewed.
Is a home battery worth it in the UK in 2026?
Batteries have become the default upsell on every solar quote. For some households they are the single best-value upgrade available; for others they are an expensive way to shift a small amount of cheap electricity. Here is how to tell which one you are.
11 min read · updated 22 July 2026
EV chargingThe cheapest way to charge an EV at home
Charger hardware matters far less than the tariff behind it. Getting that pair right is where we would start, and we will publish the arithmetic once it can be sourced.
9 min read · updated 12 June 2026
Heat pumpsHeat pump running costs, explained without the marketing
A heat pump's running cost is decided by three numbers: your heat demand, the seasonal efficiency you actually achieve, and the unit rate you pay. Everything else is detail.
12 min read · updated 3 May 2026