How much do solar panels cost in the UK?
A solar panels costs £5,000 to £12,000 in the UK, typically around £7,000 installed. Prices reviewed June 2026.
A solar setup is priced by system size in kilowatts, then by whether you add a battery. A battery roughly doubles the value of the panels for evening use but adds a lot to the price.
Price your solar panels
Adjust for your job and area to get a range. Nothing is sent anywhere.
Solar panels cost breakdown
What a solar panels typically costs, by option:
| System size | Typical UK cost |
|---|---|
| 3-4 kW (smaller home) | £5,000 to £7,000 |
| 5-6 kW (typical) | £7,000 to £9,500 |
| 6 kW+ (larger home) | £9,000 to £12,000 |
| + Add a battery | add £3,000 to £6,000 |
What's included in the price?
A typical solar panels price includes:
- Panels, inverter and mounting
- Installation and scaffolding
- Certification and grid notification
- A monitoring app
What changes the price?
The things that move a solar panels price most:
System size in kilowatts (more panels, more output)
Whether you add a battery and how big
Roof type, pitch and any shading
Scaffolding and access
Does where you live change the cost?
Less location-sensitive than wet trades, but scaffolding and labour are higher in London.
Common questions
A typical 4kW to 5kW system for a 3 bedroom house costs around £5,000 to £8,000 without a battery, and roughly £9,000 to £13,000 with a battery.
A battery lets you use more of what you generate in the evening and adds £3,000 to £6,000. Whether it pays back depends on your usage pattern and electricity price, so model it before committing.
These are independent guide prices based on typical UK jobs in 2026. Your actual cost depends on your property, spec, access and where you live. Always get at least three written quotes before committing.