Solar Installation Cost UK 2026

Independently written
UK solar installation cost 2026
2026 prices: £5,500-£8,000 for a typical 4kW system at 0% VAT — all-inclusive.

How much does solar panel installation cost in 2026?

UK solar installation costs in 2026 (all-inclusive, 0% VAT): 3kW (8 panels): £4,500-£6,500. 4kW (10 panels): £5,500-£8,000. 5kW (13 panels): £6,500-£9,500. 6kW (16 panels): £8,000-£11,000. Prices include: panels, inverter, mounting, wiring, scaffolding, labour, MCS certification, and DNO notification. Adding a 10kWh battery: +£4,000-£6,000. Prices have stabilised since 2023 — no significant further drops expected.

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