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UK Price Guide 2026

Solar Panels & Battery Storage Cost Calculator UK

Solar Panels & Battery Storage Cost Calculator

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Estimated cost in Manchester/Liverpool

£0

full system · Manchester/Liverpool

Typical cost breakdown

  • Panels£0–£0
  • Inverter£0–£0
  • Battery storage£0–£0
  • Scaffolding£0–£0
  • Installation£0–£0

Low-income households can sometimes get solar funded under ECO4, which runs to 31 December 2026. Check ECO4 eligibility

Guide price based on 2026 UK market data, updated October 2026. Confirm the final cost with written quotes.

Estimates based on 2026 UK market research. Your actual cost depends on a site survey. Always get three quotes.

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Compare it against the typical £0–£0 range for a Semi-detached property in Manchester/Liverpool.

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Estimate solar panel and battery costs for your roof and chosen system size.

2026 price summary

In 2026, solar panels & battery storage in the UK typically costs £5,000–£9,000 full system, including materials and qualified labour. In London expect around £6,750–£12,150 (roughly 35% higher), while the North of England, Scotland and Wales average £4,500–£8,100. Your exact price depends on the size of the job, access and materials — use the calculator below for a postcode-accurate figure.

Guide price only — confirm the final cost with written quotes.

Typical UK range

£5,000–£9,000

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2026 UK rates

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Average prices in the UK

TypeTypical priceNotes
3kW system (8 panels)£4,500–£6,000Suits a 1–2 bed home
4kW system (10 panels)£5,500–£7,500The most common UK size
5–6kW system£7,000–£10,000Larger family homes with high usage
5kWh battery£2,500–£4,000Stores roughly a day of typical evening use
10kWh battery£4,500–£7,000Better with an EV or off-peak tariff
Scaffolding£500–£1,000Usually required on two-storey roofs

Savings and payback

A 4kW system in the UK generates roughly 3,400 kWh a year. If you use about half of that in the home and export the rest, you save around £550 to £750 a year at 2026 prices.

That puts payback at roughly 9 to 12 years on a panels-only system. Add a battery and yearly savings rise to around £850 to £1,100, but payback stretches to 11 to 14 years because of the extra cost.

Assumptions: 27p per kWh import, 15p per kWh export under SEG, a south-facing unshaded roof, 50 percent self-consumption without a battery and 75 percent with one. Change any of those and the numbers move.

What affects your price

Roof direction matters more for output than cost. South facing is best; east or west loses roughly 15 percent of generation; north facing rarely pays.

Slate and flat roofs cost more to work on than plain tile. Two-storey homes almost always need scaffolding, which adds £500 to £1,000.

Batteries are the biggest single add-on. Only add one if you are home in the evenings or on a time-of-use tariff, otherwise the payback drags.

Frequently asked questions

A 4kW system costs £5,500–£7,500 fitted in 2026. A 3kW system is £4,500–£6,000 and a 5–6kW system £7,000–£10,000. Scaffolding adds £500–£1,000 where it is needed.

A 5kWh battery adds £2,500–£4,000 and a 10kWh battery £4,500–£7,000 installed. It is worth it if you use most of your electricity in the evening or run an EV.

Around 9–12 years for panels alone and 11–14 years with a battery, based on 27p per kWh import and 15p per kWh export. Panels are usually warranted for 25 years.

Some low-income households qualify for funded solar under ECO4, which runs to 31 December 2026. Everyone else pays privately, though there is no VAT on domestic solar installations.

Usually not. Roof-mounted panels are permitted development on most homes. Listed buildings and conservation areas are the main exceptions.

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