How Much Do Solar Panels Cost in the UK?
The short answer (at a glance)
Most homes fall within a fairly predictable range — but it depends on your usage and property.
Typical costs
For a typical UK home:
3–4kW system (smaller homes): £5,000 – £7,000
4–5kW system (average homes): £6,000 – £9,000
5–6kW system (higher usage homes): £8,000 – £11,000
Adding a battery
Battery storage: £2,000 – £5,000+
This depends on size, brand, and how the system is set up.
What affects the cost
Prices can vary depending on:
Roof size & layout — how many panels can fit
Shading — chimneys, nearby trees or buildings
Electricity usage — higher usage often means larger systems
System design — not all setups are the same
A simple way to think about it
Solar systems are usually designed to cover a portion of your electricity use — not all of it.
For many homes:
Solar can cover around 40–70% of annual usage
A battery can increase how much of that energy you use
Why prices can vary
If you’ve looked around, you may have seen very different figures.
That’s often because:
system designs aren’t standardised
installers recommend different setups
some quotes include extras others don’t
A calmer way to start
Most websites ask for your details before showing any of this.
We think it’s more helpful to understand:
what a system might cost
what size you may need
whether it’s worth exploring further
before speaking to anyone.
What this means for you
Solar isn’t one-size-fits-all — but it also doesn’t need to be complicated.
A simple estimate is often enough to answer the first question:
“Is this worth looking into for my home?”
Final note
This is a starting point — actual systems will vary depending on your home, usage, and installation setup.
Most websites ask for your details before showing this — we think it’s more helpful to understand the basics first.