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UK property deal calculators

Run the numbers on any UK deal in under a minute. Start free with buy-to-let and stamp duty, or go PRO for every strategy.

FREE
No account needed
PRO
£5/month or £97 lifetime

9 calculators · 2026/27 UK tax rates · Built for UK investors

Free calculators

Instant results, no sign-up.

FREE

No account needed

Buy-to-Let

Yields, cashflow and stress-tested mortgage costs.

  • Monthly cash flow and yield
  • Mortgage and stress test
  • Return on cash invested
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FREE

No account needed

SDLT / LBTT / LTT

UK stamp duty across bands, surcharges and reliefs.

  • England, Scotland and Wales rates
  • Additional property and company surcharges
  • First-time buyer relief
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PRO calculators

Try a quick version of each one free on its page. Go PRO to unlock every input, save unlimited deals and use the Creative Loan Studio.

PRO
HMO

Room-by-room income, voids and licensing costs.

Quick version freeOpen
PRO
BRR

Buy, refurbish, refinance: money left in and ROI.

Quick version freeOpen
PRO
Flip

Purchase, refurb and resale profit after all costs.

Quick version freeOpen
PRO
Serviced Accommodation

Nightly rates, occupancy and operating margins.

Quick version freeOpen
PRO
Rent-to-Rent

Guaranteed rent deals and monthly net position.

Quick version freeOpen
PRO
Rent-to-SA

Short-let arbitrage on a rented unit.

Quick version freeOpen
PRO

Premium studio

Creative Loan Studio

Model any loan structure with full amortisation schedules.

Quick version freeOpen

Go PRO

Every calculator, every input, unlimited saved deals.

PRO Monthly

£5/month

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PRO Lifetime

£97 one-off

Pay once, use forever, all future calculators included

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