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    Cost of Solar Panels for a 4-Bedroom House

    A 4-bedroom house typically needs a 5-6kW solar system costing £6,500-£9,500 installed. Here's a detailed breakdown.

    System Size for a 4-Bed House

    A 4-bedroom house typically uses 3,500-4,500 kWh/year. A 5kW system (12 panels) covers most usage, while a 6kW system (14 panels) provides extra capacity for an EV charger or heat pump. Both sizes fit comfortably on a standard 4-bed roof.

    Cost Breakdown

    5kW system: £6,500-£7,500 | 6kW system: £7,500-£9,500 | Add battery (5kWh): +£3,000-£4,000. These prices include installation, scaffolding, DNO notification, and all warranties. Zero VAT on residential installations.

    Expected Savings

    A 5kW system saves £700-£1,000/year; a 6kW system saves £800-£1,200/year. Add battery storage for an extra £200-£400/year. Payback period is typically 6-8 years, leaving 17-19+ years of virtually free electricity.

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    Public Liability Insurance – Tradesman Saver

    £5,000,000 – GREE55TR01

    Employers Liability Insurance – Tradesman Saver

    £10,000,000 – GREE55TR01

    Professional Indemnity – Tradesman Saver

    £250,000 – GREE55TR01