Independent Home Renovation & Construction Cost Calculators for Your UK Location
Calculate exact costs for whole-house refurbishments, roof replacement, external wall insulation (EWI), double glazing, bathrooms, heat pumps, and £7,500 BUS grants across the UK.
Renovation & Remodeling Calculators
Select a trade or project scope for localized construction benchmarks, trade hourly rates, government grants, and ROI modeling:
House Renovation & Refurbishment Cost
Total refurbishment budget per sq metre/sqft by property era (Victorian/1930s/Modern)
Roof Replacement & Loft Insulation
Slate, concrete tile & flat roof re-covering plus 270mm loft insulation standards
External Wall Insulation & Cladding
Solid wall EWI, cavity wall insulation, rendered finish & annual heating bill savings
Double Glazing & Door Replacement
uPVC, timber sash & aluminium double/triple glazed units, A-rated EPC compliance
Bathroom Renovation & Wet Room Cost
En-suite, family bathroom, walk-in shower & mobility adaptation estimates
Boiler Upgrade Scheme & ECO4 Grants
£7,500 Boiler Upgrade Scheme (BUS) vouchers, Great British Insulation Scheme & ECO4
Heat Pump & Boiler Replacement
Air source (ASHP) & ground source heat pumps, radiator upgrades & running costs
Renovation ROI & Property Value Add
Estimated market value uplift, EPC rating jump & payback period on home improvements
Regional Renovation Market Hubs
Select a calculator to explore local labor rates, material benchmarks, and energy subsidies in your area:
England, Scotland, Wales & Northern Ireland
Devolved energy grant schemes, trade rate benchmarks, and housing stock age
Why RenoKalk Works Differently
Home renovation budgets should never be locked behind lead-capture forms. While traditional contractor directories harvest your contact details to sell to multiple sales reps and aggressive estimators, RenoKalk delivers 100% transparent, client-side cost modeling with zero phone spam.
Hides cost figures behind quote-request forms and auctions your phone number to multiple commission-driven sales teams.
All calculations run directly in your browser. Real trade labor indices, material benchmarks, zero sign-up, zero phone calls.
Statutory Standards & Construction Data Sources
Free from contractor sponsorships: Our calculations rely strictly on established construction cost indices, statutory energy codes, and public subsidy schedules:
Frequently Asked Questions
Clear answers about renovation cost calculation, contractor benchmarks, and subsidies:
?Are all UK renovation calculators free to use??
?What data informs your UK construction benchmarks??
?Do you share user details with builders or lead-generation brokers??
?Are calculations processed securely in my browser??
Suggestion or Feature Request?
Are you missing a specific remodeling calculator, local trade metric, or energy grant feature? We welcome any feedback to calibrate the platform.
Report a Calculation Issue
Did you spot a calculation discrepancy, outdated contractor benchmark, or an incorrect grant cap? Let us know directly so we can inspect and fix it immediately.
