Renovation & Construction Calculators
Free tools to estimate renovation costs, quantities and materials before starting a project.
Planning & Costs
Kitchen Cost Calculator
Estimate your kitchen renovation budget from cabinetry, worktops, appliances and finish level.
Bathroom Cost Calculator
Estimate your bathroom renovation budget from sanitaryware, tiling, plumbing and finish level.
Renovation Cost Calculator
A whole-project budget estimator across multiple rooms — bathroom, kitchen, extension, loft and more, all at once.
Painting & Decorating
Flooring & Tiling
Building & Structural
Concrete Calculator
Estimate concrete volume for slabs, footings and posts.
Brick Calculator
Estimate how many bricks a wall or extension needs.
Timber Calculator
Estimate timber quantities for framing and joinery projects.
Plasterboard Calculator
Work out how many plasterboard sheets you need for a wall or ceiling.
Skirting & Architrave Calculator
Estimate the linear metres of skirting board and architrave a room needs.
Garden
Decking Calculator
Work out how many decking boards and joists you need, plus an estimated post count for a raised deck.
Gravel Calculator
Estimate gravel quantity for driveways and paths.
Topsoil Calculator
Estimate topsoil volume for beds, lawns and levelling.