See what your BTL deal
actually earns —
after every cost.
Most BTL calculators show the gross yield estate agents quote. This one shows what you actually earn — after Section 24, voids, management fees, and maintenance.
Run the numbers now
PDF report and 5-year projection included.
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Preview — what you'll get
What happens when you don't model the numbers
Real net yield after Section 24 — when the headline number said 6.4%
Extra annual tax from Section 24 on a typical £100k BTL mortgage
Monthly cashflow on a "solid yield" deal after all costs are modelled
Rent set below break-even because costs and voids were never calculated
Illustrative figures. Your numbers will vary — that's exactly why the calculator exists.
How it works
Real numbers in under two minutes
Enter your numbers
Purchase price, rent, mortgage rate, and running costs. Pre-loaded with a real Liverpool L4 deal so you see realistic numbers from the start.
See your real yield
Gross yield, net yield, monthly cashflow, and Section 24 impact update live as you type. No waiting, no manual calculation.
Download your PDF
One click exports a personalised A4 report with your inputs, all output metrics, and a full 5-year projection table.
What's included
Every number that matters
11 inputs. 6 real-time output metrics. A personalised PDF report with a 5-year projection. Pre-loaded with a real Liverpool L4 deal so you see realistic numbers straight away.
Purchase & Finance
4 inputsPurchase price, deposit, mortgage rate and term. Instantly calculates your monthly payment and LTV.
Running Costs
7 inputsVoid periods, management fees, maintenance reserve, insurance, ground rent and service charge.
Yield Analysis
3 metricsGross yield, net yield, and cash-on-cash ROI — updated live as you adjust any input.
Cashflow Position
3 metricsMonthly and annual cashflow after every cost. Break-even rent so you know your absolute floor.
Section 24 Impact
2 tax bandsBasic rate vs higher rate taxpayer comparison — the real cost of the finance charge restriction.
5-Year Projection
PDF reportRent growth, house price appreciation, equity build and cumulative total return. Included in the PDF.
Why BTL investors use this
Know your numbers before you commit
- Pre-loaded with a real Liverpool L4 deal — realistic numbers from the start
- Section 24 impact built in — basic rate and higher rate taxpayer comparison
- Break-even rent calculated automatically — know your floor before you offer
- Personalised PDF report with 5-year projection included
- No spreadsheet needed — no sign-up fee, no credit card
- Works for any UK property — just update the numbers
"I've been using spreadsheets for 10 years. This gave me the same numbers in 30 seconds and flagged the Section 24 hit I'd completely forgotten to account for."
Portfolio landlord— 8 properties, Liverpool
"Pulled up a deal I was about to offer on. Gross yield looked great. Net yield after costs was under 2%. Saved me from a very bad decision."
BTL investor— West Midlands
"The 5-year projection is what made this click for me. The cashflow is tight short-term but the equity story is strong. Now I have the numbers to back that up."
First-time BTL investor— Manchester
Know your real numbers before you buy.
The only BTL calculator that shows your actual net yield — including Section 24, voids, management fees, and maintenance.
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