The decisions that decide what you pay for the next twenty years.
Solar, batteries and EV charging are no longer experimental; they're the quiet upgrades that pay for themselves and decouple your bills from the wholesale market. The trick is getting the sizing right.
Generate it, store it, use less of it.

The hardest part of buying solar isn't the panels; it's deciding whether to add a battery, how big, and which tariff to pair it with. Get those right and you're running on cheap overnight electricity for most of the year. Get them wrong and you've spent £8,000 to save £200 a year.
How energy works
Insulation, draught-proofing and an efficient heat source cut the bill before any panel goes on the roof. Every kilowatt-hour you don't need is one you never have to generate, store or import.
First, use less
Insulation, draught-proofing and an efficient heat source cut the bill before any panel goes on the roof. Every kilowatt-hour you don't need is one you never have to generate, store or import.
Then, generate your own
A well-sized array on a sensible roof covers a meaningful share of daytime demand for most of the year. Orientation and inverter sizing matter more than panel brand.
Store what you can't use yet
A battery paired with a smart tariff charges cheaply at night and runs the house through peak hours. The maths only works when the previous two steps have already been done.
The hardest part of buying solar isn't the panels; it's deciding whether to add a battery, how big, and which tariff to pair it with.
Inside this hub
Flagship tool
Solar Planner
Model UK solar payback against your real bill. Self-consumption, SEG export, battery option and lifetime savings.
Read first
Solar; is it worth it in the UK?
Honest UK numbers. Generation, self-consumption, SEG export, batteries, payback.
See it built
Project library
Common UK install patterns; the brief, the kit, the cost band.
Real prices
Cost intelligence
Independent UK price ranges, sourced from industry data; not RRPs.
Where to start.
Solar
Roof orientation, panel choice, inverter sizing, payback maths. The full picture; including the questions installers hope you don't ask.
Home Batteries
Whether to add one, what size, and which tariff actually makes the maths work. The break-even calculation most installers skip.
EV Charging
Home chargers, smart tariffs, solar integration. The 7kW decision that quietly halves your fuel bill.
Decide with data.
Home Comfort Score
Cost Database
Project Library
See how your energy decisions connect to heating, cooling and ventilation.
Your next step
Take the next step.
Every tool quietly contributes to Your Home so the next recommendation is sharper than the last.
Plan it
Solar Planner
Model UK solar payback against your real bill. Self-consumption, SEG export, battery option and lifetime savings.
Closely related to what you're looking at.
Home Comfort Score
A 3-minute assessment scoring heating, cooling, air quality and efficiency; and a plan for what to fix first.
Closely related to what you're looking at.
Understand it
Solar; is it worth it in the UK?
Honest UK numbers. Generation, self-consumption, SEG export, batteries, payback.
Closely related to what you're looking at.
Home batteries
When a battery pays back, when it doesn't, and how to size one for your bill.
Closely related to what you're looking at.
EV charging at home
Choosing a charger, the cost of an install, and how to integrate with solar.
Closely related to what you're looking at.
Compare
Why it matters