Free Property Tools

Every calculator a UK property developer needs. No sign-up required.

Quick Analysis

Start here — instant answers

Instant feasibility estimate. Enter a property and get costs, profit, ROI, and a viability verdict in 30 seconds.

Postcode → area classification, development recommendations, risk flags, transport rating, and market data.

Know exactly what you'll pay

Calculate SDLT for any purchase. Individual, first-time buyer, company/SPV, additional property surcharge.

Itemised construction costs by trade — plumbing, electrical, kitchens, structural. 10 project types, 3 quality tiers, regional pricing.

Estimate short lease extension cost. Marriage Value, premium breakdown, value uplift, and urgency warning.

How EPC rating affects property value and lending. Upgrade measures with costs, savings, and ROI.

Model the deal before you commit