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The Best UK Property Deal Calculator With AI Feedback Built In
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The free AI property deal analyser that tells you in seconds whether a deal stacks up. No spreadsheets. No guesswork. No cost. Just plug in the numbers and get a plain English verdict on any buy-to-let deal, powered by AI that spots what you’d miss.

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AI Feedback On Your Deals
Suitable for UK Investors
Built By An Investor For Investors
See What You’re Getting

This is what the analyser actually looks like.

Enter a property. Get every number, an AI verdict, and a professional investor pack. All in one screen.

Sound Familiar?

Why are you still using spreadsheets to analyse your deals?

A spreadsheet you half trust

You downloaded it years ago, or cobbled it together yourself. You’re bouncing between Rightmove, the council tax checker, a mortgage calculator, and three browser tabs you forgot about. Then a number spits out at the bottom and you squint at it and think, “Yeah, that looks alright.”

Missing costs that kill the deal

Some spreadsheets cover stamp duty. Some don’t. Some factor in management fees. Some forget them entirely. You’re trusting your biggest financial decisions to a tool that might be missing half the picture.

No idea what to offer

You’ve run the numbers but you still don’t know what to actually bid. Too high and you kill the cashflow. Too low and the agent bins your offer. You need a number anchored to data, not gut feeling.

Only works in a best-case scenario

Your spreadsheet says it works. But what if rates go up? What if voids run longer than expected? What if the refurb costs 10% more? Most investors never stress-test the deal. Then reality hits.

Spreadsheet calculators are the past, this is the future...

The spreadsheet doesn’t tell you what’s good about the deal. It doesn’t tell you what’s risky. It doesn’t stress test anything. It just sits there, quietly letting you make expensive mistakes.

There’s a better way. And it’s free.

What it actually does for you.

Every cost, every scenario. Nothing missed.

The analyser covers every cost point that matters in a buy-to-let deal. Stamp duty, legal fees, mortgage costs, management fees, maintenance, insurance, voids, refurb, the works. If it affects your profit, it’s in there. No more crossing your fingers that your spreadsheet remembered to include it.

AI that reads your deal like a mentor would.

Once your numbers are in, the AI picks through every data point. It spots the hidden risks. It highlights what’s working. It gives you a written summary explaining the deal’s potential and its problems, in language that actually makes sense. It’s like having someone look over your shoulder who’s seen a thousand deals.

Stress tested before you commit.

What if the market dips? What if voids run longer than expected? What if the refurb costs 10% more than you planned? The analyser runs those scenarios for you automatically. You see how your deal holds up when things don’t go to plan, before you’ve spent a penny.

It tells you what to offer.

Plug in your desired returns and the calculator works backwards. It tells you the price you should be offering to hit your numbers. No more guessing, no more overpaying, no more hoping the deal works at the price the agent quoted.

Take it to viewings. Decide on the spot.

It lives on your phone. You’re standing in a property, the agent’s hovering, and you can run the numbers right there. Within seconds you know whether to make an offer or walk away. In a market where the best deals go fast, that speed is the difference between landing it and losing it.

Investor packs at the push of a button. (For sourcers)

If you’re a deal sourcer, this one’s for you. Hit a button and the analyser generates a professional investor pack with all the key data points laid out in a clean two-page document. No more spending hours building brochures in Canva. Your investor clients get everything they need to make a decision, and you look like you know exactly what you’re doing. Because you do.

Professional investor pack brochures generated by the BTL Deal Analyser

Don’t get left behind, being slow means missing opportunities

Every tool an investor needs to analyse a BTL deal properly, all in one place.

Auto SDLT Calculator

Select England, Scotland or Wales. The correct stamp duty is calculated automatically including the higher-rate surcharge. No Googling. No guesswork.

Mortgage Calculator

Enter your deposit %, interest rate and term. Get monthly payments for both interest-only and repayment. Override manually if you have a quote, reset back to auto any time.

Refurb Estimator

Enter the property size and pick light, medium or heavy works. Get a ballpark cost based on current UK averages per square foot. Fine-tune with your own builder quotes.

Comparable Sold Prices

Enter recent sold prices in the area. The analyser gives you context on whether your buying price stacks up. All in the same view, right next to the numbers that matter.

Price Per Sq Metre

A second angle on valuation. Enter the property size and compare the price per square metre against local comparables. A quick sanity check that catches overpriced deals.

Wealth Projection

See your total wealth position at 5, 10 and 20 years based on cashflow, capital growth and mortgage paydown. Growth rates pre-filled by region from Land Registry averages.

See The Difference

Spreadsheets vs. this. Not even close.

Your Spreadsheet This Analyser
Covers every cost? Maybe. Depends who made it. Every single one.
Tells you if the deal is good? No. It gives you a number. Yes. Plain English AI verdict.
Stress tests the deal? You’d have to do that manually. Automatic. Multiple scenarios.
Tells you what to offer? No. Yes. Based on your target returns.
Works on your phone at a viewing? No. Built for it.
Creates investor packs? You wish. One button.
Time to analyse a deal? 20–30 minutes. Under 2 minutes.
Price? Free (but you get what you pay for) Also free. But actually good.
Want The Full Platform?

This is one analyser from the full toolkit.

The BTL analyser is taken directly from Property Accelerator Pro. If you invest in more than one strategy or want portfolio tracking, there’s a 14-day free trial with no card needed.

Property Accelerator Pro

The operating system for serious UK property investors and property sourcers. Five strategy-specific analysers, portfolio intelligence, and everything you need to make faster, smarter decisions.

  • ✓All 5 deal analysers: BTL, BRRR, HMO, Serviced Accommodation, Flips
  • ✓AI Deal Verdict on every analysis scored 0 to 100
  • ✓Portfolio dashboard with property comparison and net worth tracking
  • ✓Financial Freedom Tracker showing how many properties to your target income
  • ✓Deal pipeline, investor CRM and compliance tracking
  • ✓Professional investor packs and PDF reports for every strategy
Start Your 14-Day Free Trial
Who Built This

Built by a property investor. Not a software company.

This tool was built by someone who’s been buying, sourcing, and analysing property deals for over two decades. Someone who co-founded the biggest property sourcing network in the UK and co-founded a peer-to-peer platform that funded £85 million worth of property projects.

It wasn’t built by a software company guessing what investors need. It was built by an investor who got tired of watching people lose money on deals that a better tool would have flagged in 30 seconds.

Free. No Catch.

Pop your email in below and you’ll get instant access to the AI Buy-to-Let Deal Analyser. No credit card. No trial that expires. No “book a call to unlock it.” Just the tool, in your hands, ready to use on your next deal.

You can keep using your spreadsheet if you want. But once you’ve tried this, you won’t ever open up your spreadsheet again.

Free forever. Get access now.