How much could solar save you?

Answer 4 quick questions and get a personalised estimate โ€” takes 2 minutes, no sales calls

1Your home
2Energy
3Setup
4Results

Your home

Tell us about your property so we can estimate the right system size.

South-facing is optimal โ€” east/west still works well.

Your energy use

Helps us size the right system and calculate your savings accurately.

Check your latest bill. Average 3-bed home: ~ยฃ1,200/year.
ยฃ400ยฃ4,000+
ยฃ1,200 per year
Smart tariffs (e.g. Octopus Intelligent, Agile) can significantly boost your solar returns.

Your setup

Tell us what you already have and what you'd like to add.

Select all that apply โ€” we'll calculate the combined savings and cost.
Your estimated annual saving
ยฃ0
per year with your selected system
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Payback period
โ€”
Recommended system
โ€”
Battery capacity
โ€”
25-year benefit

Ready to get a quote?

Your estimated system costs ยฃโ€”โ€“ยฃโ€” installed. Get fixed-price quotes from MCS-certified installers โ€” no obligation, no sales pressure.

๐Ÿ”’ This calculator uses no cookies and stores no personal data. The email button opens your own mail app โ€” nothing is sent to solar-guide.uk.

Estimates based on April 2026 Ofgem cap (24.5p/kWh), average UK solar irradiation data, and typical system performance. Actual savings vary with roof orientation, shading, installer, tariff, and usage pattern. Always get at least 3 quotes from MCS-certified installers before committing. Solar-guide.uk is not a financial adviser.