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Free Tools & Calculators

Quick, practical calculators. Free to use, no sign-up.

  • Rent Affordability Calculator (30% Rule)
    Work out how much rent you can comfortably afford in central London using the 30% of income rule. Enter your salary to see a sensible monthly and weekly budget.
  • UK Stamp Duty (SDLT) Calculator
    Calculate Stamp Duty Land Tax on a property purchase in England, including first-time buyer relief and the additional 5% surcharge on second homes and buy-to-let.
  • Central London Cost of Living Estimator
    Estimate your monthly cost of living in central London. Add rent, council tax, bills, transport, food and lifestyle to see a realistic total and what is left from your take-home pay.