What affects the cost?
System size, roof access, panel and inverter specification, scaffolding and battery storage are the main budget variables.
- System size in kWp
- Panel and inverter specification
- Roof type and access
- Scaffolding
- Battery storage
- Electrical upgrades
Typical cost breakdown
Regional planning examples
The examples below apply our published modelling factor to the same national benchmark. They are not claimed as observed city-wide average quotes.
Sources used for this guide
Solar Panel Installation: Cost Breakdown 2026
Published / checked: June 2026
Used for: 3–6 kW solar PV and battery storage benchmarks
Frequently asked questions
Is a battery included in typical solar panel prices?
Not necessarily. Solar PV and battery storage should be shown as separate line items unless the package explicitly includes both.
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