Deal Analysis Toolkit
Property underwriting engine
Analyse a deal
Verified engine · 14 passing tests

Underwrite any buy-to-let before you offer.

Yield, cashflow, and cash-on-cash return in seconds — then a deliberately harsh stress test that tells you whether the deal survives a bad year, not just a good one.

The deal
Results update as you type
Purchase
£
£
£
%
Finance
%
yrs
Income & running costs
£
%
%
£

Estimates only, for initial screening. Not financial advice — verify every deal with your own due diligence, a broker, and a solicitor before you offer.

Cashflow positive
+£111 / month
Headline metrics
Free
Gross yield
8.00%
Annual rent ÷ price
Net yield
6.27%
After voids & costs, pre-mortgage
Cash-on-cash
2.02%
Annual cashflow ÷ cash in
Cash invested
£66,000
Deposit + refurb + costs
Stress test & report
Pro
Stress test reveals whether the deal survives a bad year.
Stressed cashflow
£ —
Stressed cash-on-cash
— %

Unlock Pro

Stress-test every deal, compare properties side by side, and export a clean report. One-time unlock, secure checkout.