Discover Your Solar Savings Instantly and Accurately
Thinking about switching to solar energy? Our Free Solar Assessment Calculator for UK homeowners makes it easy to see what solar could do for your property. In under two minutes, you’ll get:
- Your recommended solar system size (kW)
- Estimated annual savings and payback period
- Long-term net profit and environmental benefits
This isn’t a generic quote it’s a realistic estimate based on your postcode, energy use, and roof details.
How the Solar Calculator Works
- Enter Your Postcode — We use local solar data to estimate how much sunlight your area receives each year.
- Add Your Energy Details — Include your monthly bill, roof type, and how many people live in your home.
- See Your Results Instantly — Get clear figures on your system size, potential savings, and CO₂ reduction.
- Request a Personalised Quote (Optional) — If you’d like, we can connect you with trusted local installers but there’s no obligation.
Why UK Homeowners Love This Solar Tool
- Free and easy to use — no sign-up needed to view results
- Accurate UK data for postcode-based sunlight hours
- Transparent and realistic estimates — not exaggerated marketing claims
- Helps you explore battery storage and EV charging benefits
Whether you’re in London, Manchester, Leeds, or Bristol, this calculator adjusts for your location’s typical solar potential and energy rates.
Save Money and Reduce Your Carbon Footprint
Installing solar panels isn’t just about saving money it’s about taking control of your energy future. Our calculator shows you how much you could cut from your electricity bills each year and the potential CO₂ savings you’ll achieve by generating clean power.
Every kilowatt counts toward a greener UK.
Battery Storage & EV Charging Options
Interested in battery storage or electric vehicle charging? The calculator estimates how these upgrades could improve your self-consumption and overall return. With solar batteries, you can store excess power for later use ideal for homeowners who are out during the day.
What You’ll Need Before You Start
To get the most accurate results, have this information ready:
- Your monthly electricity bill (£)
- Approximate roof size (m²) and roof type (tile, slate, metal, or flat)
- Number of residents in your household
- Whether you’re home during the day
- Interest in battery storage or EV charging
Once entered, your results will appear instantly.
Start Your Free Solar Assessment
See how much solar could power your home and how quickly it could pay for itself.
No pressure. No hidden costs. Just useful insights to help you plan your energy future.
Your Solar Assessment
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Your Privacy Matters
We take your privacy seriously. Any details you enter such as postcode or energy usage are used solely for generating your assessment.
We never sell, share, or misuse your data.
Trusted by UK Homeowners Nationwide
From the South Coast to Scotland, thousands of UK homeowners are discovering how solar energy can reduce costs and emissions.
Use our free calculator to explore your potential savings then make an informed decision about your next step.