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Cost Calculators

70 calculators, each on its cost guide with the prices and assumptions behind it.

Extensions & Conversions

Extension cost calculatorHouse extensionExtension cost calculatorSingle-storey extensionExtension cost calculatorDouble-storey extensionKitchen extension cost calculatorKitchen extensionExtension cost calculatorSide return extensionConservatory roof replacement calculatorConservatory roof replacementLoft conversion cost calculatorLoft conversionHouse renovation cost calculatorHouse renovationCost to knock through a wallKnocking through a wallArchitect fee calculatorArchitect fees

Kitchens & Bathrooms

New kitchen cost estimatorNew kitchenWorktop cost calculatorKitchen worktopsReplacement doors vs new kitchenReplacement kitchen doorsNew bathroom cost estimatorBathroom renovationWhich shower can I have?Shower installationElectric shower flow and running costElectric showerWet room cost estimatorWet roomCan I fit a downstairs toilet here?Downstairs toiletRepair, resurface or replace?Bathroom repairGrants and VAT relief checkerDisabled access & mobility adaptations

Roofing & Exterior

New roof cost calculatorRoof replacementRoof repair cost checkerRoof repairFlat roof cost calculatorFlat roofRoof cleaning cost calculatorRoof cleaning / moss removalFascias, soffits and guttering calculatorFascias & soffitsGutter replacement calculatorGutteringChimney removal cost and permissionsChimney removalHouse rendering calculatorExternal renderingPebbledash: what each option costsPebble dashRepointing cost calculatorRepointingExterior painting calculatorExterior paintingBricklaying cost calculatorBricklayingScaffolding cost calculatorScaffolding

Windows & Doors

New windows cost calculatorNew windowsIs double glazing worth it? Payback checkerDouble glazingSash windows: repair or replace?Sash windowsMisted glass replacement calculatorMisted glass replacementPlantation shutters cost calculatorWindow shuttersFront door cost calculatorFront doorBifold doors cost calculatorBifold doorsGarage door prices side by sideGarage door

Heating, Plumbing & Energy

New boiler cost calculatorNew boilerCentral heating cost calculatorCentral heating installationRadiator cost calculatorRadiator installationUnderfloor heating cost calculatorUnderfloor heatingLog burner cost calculatorLog burner installationHeat pump cost calculatorAir source heat pump

Electrics & Security

Rewire cost calculatorHouse rewireEV charger cost calculatorEV chargerHome security cost calculatorBurglar alarmHome security cost calculatorCCTV

Interiors & Flooring

Decorating cost calculatorInterior painting & decoratingFlooring cost calculatorLaminate flooringFlooring cost calculatorWood flooringFlooring cost calculatorCarpet fittingFlooring cost calculatorVinyl & LVT flooring

Gardens & Driveways

Driveway cost calculatorNew drivewayDriveway cost calculatorResin drivewayDriveway cost calculatorBlock paving drivewayDriveway cost calculatorTarmac drivewayDriveway cost calculatorGravel drivewayDriveway cost calculatorImprinted concrete drivewayDriveway cost calculatorConcrete drivewayPatio cost calculatorPatio and pathsDecking cost calculatorDeckingDecking cost calculatorComposite deckingLawn cost calculatorArtificial grassLawn cost calculatorTurfingFence cost calculatorFencingTree surgery cost calculatorTree surgery and removal