Solar Battery Storage Cost UK 2026

A solar battery in 2026 costs £3,500 for 5 kWh up to £8,500 for 10 kWh installed. Tesla Powerwall and GivEnergy lead the UK market.

Quick answer

Typical UK price range: £3,500–£10,000. Typical time: 0.5–1 day.

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Solar PV calculator

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System size 3 kW (~7 panels) 4 kW (~10 panels) 5 kW (~12 panels) 6 kW (~14 panels) 8 kW (~18 panels)

Region London South East South West Midlands North of England Scotland Wales Northern Ireland

Specification level Basic / standard Mid-range Premium / high-end

Extras

5 kWh battery £3,500–£5,000 10 kWh battery £5,500–£8,500 EV charger integration £400–£800 Bird-proofing £350–£700 Generation meter £150–£300

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Estimate only. Prices reflect 2026 UK market data — get quotes from local tradespeople for accurate pricing.

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Budget Under £5,000 £5,000 – £15,000 £15,000 – £30,000 £30,000 – £60,000 £60,000+ Not sure

Timeline As soon as possible 1 – 3 months 3 – 6 months 6+ months Just researching

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Key points

• 5 kWh battery: £3,500–£5,000
• 10 kWh battery: £5,500–£8,500
• 15 kWh battery: £7,500–£10,000
• Doubles solar self-consumption typically

Cost breakdown

Item	Low	High
5 kWh battery	£3,500	£5,000
10 kWh battery (e.g. GivEnergy)	£5,500	£8,500
13.5 kWh Tesla Powerwall	£8,000	£10,500

Cost by UK region

Region	Typical cost
London	£9,112
South East	£8,437
South West	£7,425
Midlands	£6,750
North England	£6,075
Scotland	£6,412
Wales	£6,075

How to save money

• Battery payback typically 8-11 years
• GivEnergy / Tesla / Sonnen all 10+ year warranties
• Pair with Octopus Intelligent or Cosy Octopus tariff

How to find a trusted tradesperson

Get at least 3 quotes from vetted UK trade networks:

• Checkatrade
• MyBuilder
• Bark

FAQs

Is a solar battery worth it?

Usually yes if you’re home in evenings — doubles your self-consumption and protects against grid outages.

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Disclaimer: Prices are guide ranges based on 2026 UK market data. Get quotes from local tradespeople for accurate pricing.