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UK solar calculator

Solar Panel Cost Calculator

Estimate a 3–6 kW solar PV project, optional battery storage and access costs using current UK benchmarks.

Estimated solar installation budget

£7,092 – £9,062

Typical planning estimate £7,880. Current benchmark: about £8,000 for a standard 4 kW system before battery storage.

Benchmark source: Checkatrade 2026 solar panel installation guide. Regional labour weighting and estimate spread are UK Home Costs modelling assumptions. See sources →

Compare 3 kW, 4 kW, 5 kW and 6 kW solar costs →

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Solar Panels planning toolBuilt from dated UK benchmarks with modelling assumptions kept separate. Data review: 1 September 2026.