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Solar Panel Installation

Solar Panel Savings Estimator for UK Homes

Use our free solar savings estimator to get a quick, realistic idea of how much solar panels could cost for your home — and how much you could save on your electricity bills.

This tool is designed for UK homeowners who want a clear starting point, without sales pressure. By answering a few simple questions about your property and energy usage, you’ll receive an estimated system size, installation cost range, and potential annual savings in under 30 seconds.

What this solar calculator estimates

Our estimator uses typical UK solar performance data and current energy costs to give you a realistic overview of:

  • Estimated solar panel system size for your home

  • Typical solar installation cost range

  • Potential annual electricity bill savings

  • Estimated payback period

  • Optional impact of battery storage

These figures are based on average UK conditions and are intended to help you understand what’s possible before moving forward.

Important to know

This solar savings estimator provides an initial estimate, not a fixed quote. Final pricing and savings depend on factors such as:

  • Roof size, orientation, and shading

  • Electrical setup and roof condition

  • Panel and inverter selection

  • Whether battery storage is included

For an exact design and fixed price, we always recommend a free solar assessment, carried out by our experienced team.

See What Solar Could Save You

Answer a few simple questions below to estimate solar panel costs and potential savings for your home. This calculator gives you a realistic starting point before deciding whether to book a free solar assessment.

Your Solar Estimate

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Avenir Light is a clean and stylish font favored by designers. It's easy on the eyes and a great go-to font for titles, paragraphs & more.

Book a FREE Solar Assessment

Call us on 020 8092 9201, or complete the short survey below to receive a tailored solar assessment and see if solar is right for your property: 

Residential or Commercial System?

This helps us estimate system size and savings

What type of system are you interested in?

About Us

Koan Solar is a UK-based solar consultation and design company serving residential and commercial properties across Surrey and London. We specialise in designing competitively priced solar PV and battery storage systems that help homeowners and businesses reduce their electricity bills, increase energy independence, and make better use of renewable energy. Working with MCS-certified installation partners, we handle everything from your initial free assessment through to professional installation and system commissioning. You get expert consultation and personalised service from us, combined with certified, insured installation quality from our trusted partners. From the initial free assessment through to installation, we focus on clear advice, honest recommendations, and systems that are tailored to each property, not "one-size-fits-all" packages.

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Unit 1, 226-228 Cobham Road, KT22 9JQ

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020 8092 9201

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© 2024 Koan Solar Limited 

Company Number 15619368

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