Buy outright
Own the system, keep 100% of the savings, earn export income and benefit from capital allowances.
If you have the capital, buying outright delivers the strongest long-term return. You own the asset, keep 100% of the electricity savings, earn export income, and can benefit from capital allowances.
| System size | Indicative cost* | Est. annual saving* | Rough payback* |
|---|---|---|---|
| 10 kWp | £8,000–£12,000 | £1,600–£2,600 | 4–7 yrs |
| 20 kWp | £15,000–£22,000 | £3,200–£5,200 | 4–7 yrs |
| 30 kWp | £22,000–£32,000 | £4,800–£7,800 | 4–7 yrs |
Figures shown are illustrative 2026 market ranges for guidance only and depend on your roof, usage and tariff. We confirm all savings in your written survey.
Free, no-obligation and takes two minutes. We'll survey your roof, design a system and show you the numbers before you commit to anything.
Book my free site survey