How long is the payback period for solar panels?

A typical solar panels system pays back in approximately 10 years based on estimated average savings of £650 per year. Actual savings depend on your property and energy usage.

Solar Panels

Solar Panels — UK Costs, Grants & Installers (2026)

Q: How much do solar panels cost in the UK?

Solar Panels typically cost between £4500 and £8000 installed in the UK in 2026 (estimated). The average homeowner pays around £6250. Actual costs vary depending on property and installer.

Q: Is there a grant for solar panels?

Eligibility for government grants varies by product type. Check the latest requirements before applying.

By Tom Hartley, Contributor · Updated April 2026

Quick answer: Solar Panels cost between £4500 and £8000 installed in the UK (2026). Estimated annual saving: £650. Estimated payback period: 10 years. Government support: 0% VAT (saves ~£600).

£6250

Est. installed cost

£650/yr

Est. annual saving

~10 yrs

Est. payback

1.3 t

Est. CO₂ saved/yr

Solar Panels Costs by UK Location (2026)

Prices vary slightly by region. Select your location below for local installer quotes, grant details and a full cost breakdown.

Solar Panels Costs in the UK (2026)

Price range	Typical cost	Est. annual saving	Est. payback
Low	£4500	£650/yr	10 yrs
Typical	£6250
High	£8000

Source: Green Reach Energy research, March 2026. Prices are estimates and include installation and VAT. Actual costs may vary.

Frequently Asked Questions

How much do solar panels cost in the UK?

Solar Panels in the UK cost between £4500 and £8000 installed. A typical mid-range system costs around £6250 including installation and VAT (estimated, based on our research).

Is there a grant for solar panels in the UK?

There may be government grants or schemes available depending on your property and circumstances. Eligibility criteria may change — always check the latest requirements before proceeding.

How long is the payback period in the UK?

The estimated payback period for solar panels in the UK is around 10 years, based on estimated annual savings of around £650. Actual payback depends on your energy usage, roof orientation and tariff.

Do I need planning permission for solar panels?

Most solar panels installations fall under permitted development rights and do not require planning permission. However, listed buildings, conservation areas and flats may need approval from your local council. Always check with your local planning authority before installation.

How do I find a good installer in the UK?

We recommend getting at least 3 quotes from qualified installers. Check online reviews and verify that the installer holds relevant qualifications before signing any contract.

Solar Panels Costs by UK Location (2026)

Solar Panels Costs in the UK (2026)

Available Grants for Solar Panels (2026)

Frequently Asked Questions