Free UK home cost calculators

Plan your next home project with confidence

Pick a calculator below to get an instant cost estimate, then connect with vetted UK installers. No obligation, no spam.

Home Security Cost Calculator

Get an estimate for an intruder alarm, CCTV, access control or combined system in 2 minutes.

Estimate the cost of installing a 3.6kW, 7kW or 22kW home charger and check OZEV grant eligibility.

See cost ranges for Velux, dormer, hip-to-gable, mansard or L-shaped loft conversions — plus the value it could add to your home.

Estimate the cost of a through-floor, cabin, platform or vacuum lift — including DFG grant guidance for accessibility installations.

Compare electric and wet underfloor heating costs by room or whole-house — includes running cost comparison and heat pump pairing.

All calculators give a free instant estimate based on UK pricing. Quotes from vetted installers are obligation-free.