How much do solar panels cost in the UK?
Solar panels in the UK typically cost £5,000 to £9,000 for a standard residential installation. The final price depends on the size of the system, the type of panels used, and installation complexity.
Typical solar panel costs
Typical UK prices are:
- Small 2–3 kW system: £4,000 – £6,000
- Average 3–4 kW system: £5,000 – £7,000
- Large 4–6 kW system: £7,000 – £9,000
Most UK homes install systems around 3.5–4 kW.
What affects the price?
Solar panel installation costs depend on:
- system size
- roof orientation
- roof condition
- panel quality
- inverter type
- scaffolding requirements
- battery storage
Adding a solar battery can increase the price by £2,000–£5,000.
How much can solar panels save?
Many UK households save around:
£300 to £600 per year on electricity bills depending on energy usage and system size.
Homes can also earn small payments through the Smart Export Guarantee (SEG) for selling unused electricity back to the grid.
How long do solar panels last?
Most solar panels last 25 to 30 years and require very little maintenance.
Related guides
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- How much does a house extension cost in the UK?
- How much does rewiring cost in the UK?
- How much does a heat pump cost in the UK?
Final note
For most UK homeowners, £5,000 to £8,000 is a typical modern price range for installing solar panels on an average house.