A 4kW solar system in Birmingham costs £5,500–£8,500 fully installed. With around 1,400 sunshine hours per year, a south-facing system generates 3,200 to 3,600 kWh annually, enough to cover the majority of a typical household's electricity. Installation costs sit below London but the output is comparable.
£5,500–£8,500
Avg. Cost (4kW)
1,400
Sunshine Hours/yr
43%
Homes Below EPC C
£5,500 to £8,500 for a 4kW system. Birmingham sits in the middle of the country in more ways than one: more sunshine than the north-west, lower installation costs than London.
A south-facing system here produces around 3,200 to 3,600 kWh per year. That's enough to offset the majority of an average household's electricity usage. With electricity prices where they are, the financial case for solar in the West Midlands is strong. For a full breakdown of system sizes and pricing, see our guide to solar panel costs.
The city has a large stock of 1930s semi-detached homes, particularly in Erdington, Hall Green, and Solihull. Wide, pitched roofs. Minimal shading. Most can accommodate 12 to 15 panels without any issues.
Post-war estates and newer developments in areas like Longbridge also offer good roof profiles. With 43% of Birmingham homes still rated below EPC C, solar panels are a practical way to improve your energy rating alongside insulation upgrades.
For most Birmingham homeowners on mains gas, solar panels are the logical first investment. They reduce your electricity bill from day one. If you later install a heat pump, the panels help offset the increased electricity demand.
Properties with poor insulation or outdated heating systems may benefit more from a heat pump and fabric improvements first. Our solar panels vs heat pumps comparison walks through the decision. Our solar panels vs heat pumps comparison walks through the decision in detail.
Two schemes are worth knowing about. ECO4 can fund a full solar installation if your household receives qualifying benefits. Everyone else gets 0% VAT on domestic solar, which knocks roughly £1,000 to £1,500 off the invoice. Our guide to solar panel grants covers eligibility and how to apply.
Up to £9,000
Boiler Upgrade Scheme
England and Wales. Eligible owners and landlords apply through an MCS-certified installer. The base air-to-water or ground-source grant is £7,500; an extra £1,500 applies to oil/LPG homes without a mains gas connection until March 2027. Air-to-air receives £2,500 and eligible rural off-gas-grid biomass receives £5,000. New fossil-fuel hybrid installations are excluded. Most new builds and social housing are excluded. From 28 April 2026 a valid EPC is no longer required for BUS, though an existing valid certificate number must be provided. Outstanding insulation recommendations are not an eligibility barrier. Funding is confirmed through fiscal year 2029/30 under the Warm Homes Plan, not a guaranteed application deadline.
Learn moreFunding depends on household, property and eligible measures
ECO4
Energy suppliers may fund energy-saving improvements in England, Wales and Scotland. Funding is not guaranteed or a fixed household entitlement. Eligibility depends on tenure, household circumstances, energy rating and eligible measures. Private rented homes generally need EPC E, F or G and landlord permission. Supplier or installer assessment determines the offer and any contribution. Local authority Flex referral is an alternative route, not a funding guarantee. ECO4 ends on 31 December 2026.
Learn moreTwo minutes. No obligation. Find out which government energy grants apply to your property.