Start with your numbers — free calculators & checkersTwo minutes, no sign-up: see your savings, your grant eligibility and what you should be paying — then read the guides with real figures in hand.
SolarSolar Savings CheckerWhat solar would realistically save your household — estimate first, contact details never required.Use the free tool →Heat pumpsHeat Pump Cost CalculatorYour real price after the £7,500 grant, the right size system, and running costs vs your current heating.Use the free tool →GrantsInsulation Grant CheckerECO4 runs to Dec 2026 — five questions shows which funding route fits your household.Use the free tool →ProtectionSolar Quote Red-Flag CheckerAlready have a quote? Score it against the 10 warning signs Trading Standards flag — before signing.Use the free tool →
Then go deeper — UK guidesCurrent UK prices, grants and schemes checked for 2026 — every figure in pounds, every scheme one you can actually claim.
SolarHow Much Do Solar Panels Cost in the UK? (2026)Installed prices, savings and payback for UK homes — plus what changes the number for your roof.Read the guide →Heat pumpsThe £7,500 Boiler Upgrade Scheme ExplainedWho qualifies, how the grant is applied, and what you actually pay after it.Read the guide →InsulationUK Insulation Grants in 2026What you can get free through ECO4 and the new Warm Homes schemes, and who qualifies.Read the guide →
Guide library
US guides (for our American readers)
Solar Investment Tax Credit guide (US)Heat pump vs furnace (US)
Done researching? Get real quotes.We match you with up to 3 vetted, MCS-certified installers covering your postcode — free, no obligation, details never sold on.Get My Free Quotes →