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    Property tools

    Choose what you want to check. Use the existing calculators with your own assumptions.

    Rental incomeEstimate gross and net yield.Monthly cashflowCheck income against regular expenses.Purchase taxEstimate stamp duty for your purchase.Borrowing costsCheck mortgage payments and loan-to-value.Investment returnExplore returns and your assumptions.PlanningFind planning information for a property or site.
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    Free Property Investment Calculators

    Professional-grade tools used by thousands of UK property investors. Calculate yields, stamp duty, ROI, and more - completely free.

    100% Free - No signup required
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    UK-specific calculations
    Save calculations (with free account)
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    Trusted by 150,000+ UK property investors

    World's First AI Property Investment Voice Agent

    Skip the Calculators - Just Ask

    Our AI Voice Agent does the calculations for you. Just describe what you're looking for and get instant analysis on matching properties.

    "Find me 3-bed flats in Manchester under 200k. What would the rental yield be?"

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    Free Tools

    Free Property Calculators

    Professional-grade calculators available to everyone. No signup required.

    Rental Yield Calculator

    Calculate gross and net rental yields to assess your investment returns

    12,000+ searches/month
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    Most Popular

    Stamp Duty Calculator

    Calculate SDLT, LBTT, or LTT for England, Scotland, and Wales properties

    40,000+ searches/month
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    Mortgage Calculator

    Calculate BTL mortgage payments, total costs, and loan-to-value ratios

    8,000+ searches/month
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    ROI Calculator

    Calculate return on investment with cash-on-cash returns and appreciation

    5,000+ searches/month
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    Cashflow Calculator

    Calculate monthly and annual cashflow with detailed expense tracking

    3,000+ searches/month
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    Pro Tools

    Advanced Strategy Calculators

    Comprehensive investment strategy calculators for serious property investors. Requires free account.

    Pro

    BRRR Strategy Calculator

    Advanced Buy, Refurbish, Refinance, Rent calculator with equity release projections

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    Pro

    Flip Strategy Calculator

    Calculate profits for property flipping with renovation costs and timelines

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    Pro

    HMO Strategy Calculator

    House in Multiple Occupation analysis with room-by-room rental calculations

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    Pro

    BTL Strategy Calculator

    Buy-to-Let comprehensive analysis with mortgage, tax, and yield calculations

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    Pro

    Serviced Accommodation Calculator

    Short-term rental profitability with seasonality and occupancy factors

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    Get access to all Pro calculators with a free Prop AI Deals account

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    Why Use Our Calculators?

    100% Accurate

    Built by UK property experts with up-to-date tax rates and formulas for England, Scotland, and Wales.

    UK-Specific

    Designed specifically for the UK property market with regional variations and local tax systems.

    Always Free

    No hidden fees. Sign up optionally to save your calculations.

    How It Works

    1

    Choose Calculator

    Select the calculator that matches your needs from our collection of 5 professional tools.

    2

    Enter Your Numbers

    Input your property details and financial information. All calculations are done instantly in your browser.

    3

    Get Instant Results

    View detailed breakdowns and insights. Optionally sign up to save your calculations for later.

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    131,000+ property matches delivered to UK investors. Start with our free calculators.

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    Prop AI Deals

    Pre-vetted, AI-scored UK property deals matched to you — on-market, off-market and auction.

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    Find deals

    • On-market properties
    • Off-market deal rooms
    • AI property search
    • Property alerts
    • Weekly deals
    More ways to find deals+−
    • Below market value
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    • New to market
    • Meet Archie
    • Archie on WhatsApp
    • Desktop app
    • Windows app (Microsoft Store)
    • Chrome extension

    Strategies & calculators

    • All strategies
    • BTL calculator
    • BRRR calculator
    • HMO calculator
    • Stamp duty calculator
    More strategies and tools+−
    • BTL candidates
    • Flip candidates
    • BRRR candidates
    • HMO conversion
    • PD conversion
    • Probate sales
    • Repossessed
    • Auction properties
    • Recently reduced
    • Motivated sellers
    • Flip calculator
    • AI refurb scan
    • Auction pack analysis
    • Property finance

    Markets

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    • Market stats
    More cities+−
    • Leeds
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    • Cardiff

    Learn

    • Academy
    • How it works
    • Glossary
    • News
    • Help centre
    More guides+−
    • Getting started
    • Buy-to-let fundamentals
    • BMV deals
    • BRRR masterclass
    • HMO investing
    • Serviced accommodation
    • Property flipping
    • Auction buying
    • Lease options
    • FAQ
    • HMRC stamp duty guide
    • HM Land Registry
    • Landlord regulations
    • Buying property guide

    Company

    • About
    • Features
    • Pricing
    • Developers / API
    • Contact
    More from us+−
    • Tool comparisons
    • Claude / MCP
    • Storefront for sourcers
    • For trainers
    • Affiliate programme
    • Earn 30% commission
    Find deals+−
    • On-market properties
    • Off-market deal rooms
    • AI property search
    • Property alerts
    • Weekly deals
    • Below market value
    • High yield
    • New to market
    • Meet Archie
    • Archie on WhatsApp
    • Desktop app
    • Windows app (Microsoft Store)
    • Chrome extension
    Strategies & calculators+−
    • All strategies
    • BTL calculator
    • BRRR calculator
    • HMO calculator
    • Stamp duty calculator
    • BTL candidates
    • Flip candidates
    • BRRR candidates
    • HMO conversion
    • PD conversion
    • Probate sales
    • Repossessed
    • Auction properties
    • Recently reduced
    • Motivated sellers
    • Flip calculator
    • AI refurb scan
    • Auction pack analysis
    • Property finance
    Markets+−
    • All locations
    • London
    • Manchester
    • Birmingham
    • Market stats
    • Leeds
    • Liverpool
    • Glasgow
    • Edinburgh
    • Bristol
    • Newcastle
    • Cardiff
    Learn+−
    • Academy
    • How it works
    • Glossary
    • News
    • Help centre
    • Getting started
    • Buy-to-let fundamentals
    • BMV deals
    • BRRR masterclass
    • HMO investing
    • Serviced accommodation
    • Property flipping
    • Auction buying
    • Lease options
    • FAQ
    • HMRC stamp duty guide
    • HM Land Registry
    • Landlord regulations
    • Buying property guide
    Company+−
    • About
    • Features
    • Pricing
    • Developers / API
    • Contact
    • Tool comparisons
    • Claude / MCP
    • Storefront for sourcers
    • For trainers
    • Affiliate programme
    • Earn 30% commission

    Data sources: HM Land Registry · EPC Open Data · Ordnance Survey · ONS and other open data.

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