What is included in the installation cost?

Everything: panels, inverter, mounting system, wiring, isolators, scaffolding, labour, MCS certification, electrical certificate, DNO notification, and monitoring setup.

Are prices still falling?

No — prices have stabilised since 2023. Future drops will be small (1-3%/year). Waiting costs more in missed savings than any realistic price reduction.

Solar Installation Cost UK 2026

By Home Solar Guide Team|Updated 18 March 2026|money

Independently written | Evidence-based | Sources cited

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

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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.

Frequently Asked Questions

Related: Home Heating Systems

Solar panels are most powerful when combined with an efficient heating system. Heat pumps use solar-generated electricity to heat your home at 300-400% efficiency — making them the ideal partner for solar.

heat pump installation process

Heat pump installation typically takes 2-3 days and is best planned alongside solar.

From our sister site Home Heat Pump Guide