UK Home Improvement Cost Calculators 2026

Free, instant cost calculators for the 18 most common UK home improvement projects in 2026. Adjust size, region, spec and extras to get an estimate.

All 18 calculators

• Loft conversion calculator
• House extension calculator
• Roof replacement calculator
• Driveway calculator
• Plastering & rendering calculator
• Cutting walls calculator
• Boiler replacement calculator
• Insulation calculator
• Conservatory roof calculator
• New kitchen calculator
• New bathroom calculator
• Toilet calculator
• Solar PV calculator
• EV charger calculator
• Gutter & fascia calculator
• Veranda calculator
• Fence replacement calculator
• Electrical survey calculator