UK Solar Savings Calculator
Estimate your solar panel savings in minutes
Use our free UK solar calculator to estimate installation cost, annual savings, payback period, battery benefit, EV charging potential, and your next best step.
Estimate savings
Get a simple estimate for annual bill savings, export income, and total yearly benefit.
Check payback
See a rough payback range based on electricity use, roof direction, shading, and battery choice.
Compare next steps
Find out whether to compare solar quotes, consider a battery, look at EV chargers, or start with an energy monitor.
Start here
Solar Savings Calculator UK
Answer a few questions about your electricity bill, region, roof direction, shading, daytime usage, battery interest, and EV plans. The calculator then gives an estimated system size, installation cost range, annual savings, payback period, and recommended next step.
Solar guides
Popular UK solar pages
Read simple guides about solar panel costs, grants, payback, battery storage, EV charging, and common home sizes.
How much do solar panels cost?
See what affects UK solar panel installation costs.
Are solar panels worth it?
Understand when solar panels may make financial sense.
Solar panel grants UK
Check ECO4, 0% VAT, SEG payments, and other UK solar support.
South-facing solar panels
Compare south, east-west, and shaded roof solar performance.
Solar panel shading UK
See how trees, chimneys, dormers, and shade affect solar output.
MCS certified solar installers
Learn what to check before choosing a UK solar installer.
Solar panels for a 3-bedroom house
Estimate system size and savings for a typical 3-bed home.
Solar panels for a terraced house
Check roof space, shading, access, savings, and quote points.
Solar panels for a 4-bedroom house
Compare likely system needs for larger homes.
Solar battery worth it?
Learn when battery storage may improve self-consumption.
Solar panels and EV charging
See how solar can work with home EV charging.
Product and affiliate categories
Compare solar-related options
As the site grows, recommendations can include solar quote partners, solar batteries, EV chargers, portable power stations, solar generators, energy monitors, and related home energy products.
Planning to buy solar soon?
Download the free guide first, then upgrade to the full Buyer’s Pack if you want extra quote comparison help, installer questions, and buying checklists before choosing a supplier.
Enter your details
Add your monthly bill, home size, region, roof direction, shading, battery interest, and EV plans.
Review your estimate
See estimated system size, installation cost range, yearly benefit, payback period, and CO2 savings.
Choose your next step
Compare solar quotes, explore battery storage, look at EV chargers, or read more guides before deciding.
Calculator results are estimates only
Final costs, savings, payback period, export income, roof suitability, and product performance depend on your property, location, roof survey, shading, household usage, tariff, installer pricing, and product choice.