These tools help UK landlords and property investors compare deals, estimate yield, understand cash flow, model finance costs and analyse long-term portfolio growth. Use the search and filters below to jump straight to the calculator you need.
Featured calculators
The tools serious UK investors use most — start here for full deal analysis, BRRR modelling and buy-to-let ROI.
Property Deal Analyser
Our flagship investor tool — combines purchase, finance, refurb, refinance, rent, yield, cash flow and ROI in one place.
- Calculates:
- Full deal economics end-to-end
- Best for:
- Serious investors, BRRR landlords, developers
BRRR Calculator
Model Buy, Refurbish, Refinance, Rent deals — including recycled cash, equity created and cash left in.
- Calculates:
- Recycled capital, equity uplift, post-refi ROI
- Best for:
- BRRR investors and refurb-led landlords
Buy-to-Let ROI Calculator
Estimate cash flow, gross and net yield, cash-on-cash ROI and a 5-year property value projection.
- Calculates:
- ROI, yield, cash flow, capital growth
- Best for:
- Buy-to-let landlords and portfolio investors
Buy-to-let calculators
Analyse rental cash flow, yield, leverage and long-term portfolio growth on standard UK buy-to-let investments.
Buy-to-Let ROI Calculator
Estimate cash flow, gross and net yield, cash-on-cash ROI and a 5-year property value projection.
- Calculates:
- ROI, yield, cash flow, capital growth
- Best for:
- Buy-to-let landlords and portfolio investors
Rental Yield Calculator
Quickly screen deals using gross and net yield, or work backwards from a target yield to a maximum offer price.
- Calculates:
- Gross yield, net yield, target purchase price
- Best for:
- Investors screening deals at speed
Portfolio Growth Calculator
Project long-term portfolio value with capital growth, rental income and reinvestment.
- Calculates:
- Portfolio value, equity, income over time
- Best for:
- Long-term portfolio builders
BRRR & refurb calculators
Model refurb-led strategies — recycled capital, forced appreciation and flip margins.
BRRR Calculator
Model Buy, Refurbish, Refinance, Rent deals — including recycled cash, equity created and cash left in.
- Calculates:
- Recycled capital, equity uplift, post-refi ROI
- Best for:
- BRRR investors and refurb-led landlords
Flip Profit Calculator
Model net profit, ROI and margin on a property flip — including bridging, refurb and selling costs.
- Calculates:
- Net profit, ROI, margin
- Best for:
- Property flippers and trader-developers
HMO calculators
Higher-yielding House in Multiple Occupation analysis — room-by-room income, licensing impact and cash flow.
HMO Deal Calculator
Analyse HMOs room-by-room with all-inclusive bills, licensing, voids, gross/net yield and cash flow.
- Calculates:
- Room income, yield, monthly cash flow, ROI
- Best for:
- HMO landlords and co-living investors
Finance calculators
Model the cost of borrowing — bridging interest, fees and mortgage affordability for UK property.
Bridging Finance Calculator
Estimate monthly interest, arrangement and exit fees and total cost of UK bridging loans.
- Calculates:
- Interest, fees, total borrowing cost
- Best for:
- Refurb investors, flippers, auction buyers
Mortgage Affordability Calculator
Estimate the maximum mortgage you could borrow based on income, deposit and lender stress tests.
- Calculates:
- Maximum borrowing, monthly payments
- Best for:
- Buyers and investors planning finance
Property analysis tools
Complete acquisition modelling — full deal analysis, stamp duty costs and purchase economics.
Property Deal Analyser
Our flagship investor tool — combines purchase, finance, refurb, refinance, rent, yield, cash flow and ROI in one place.
- Calculates:
- Full deal economics end-to-end
- Best for:
- Serious investors, BRRR landlords, developers
Stamp Duty Calculator
Calculate SDLT including first-time buyer relief, additional property surcharge and non-resident surcharge.
- Calculates:
- SDLT payable on UK property
- Best for:
- Buyers, investors, second-home purchasers
Analyse your next investment deal
Use our professional UK property calculators to model yield, ROI, leverage, refurb costs and long-term investment performance.
Related guides
Go deeper with our UK property investing authority guides — strategy, tax, finance and deal analysis frameworks.
Frequently asked questions
Related guides
Disclaimer: These calculators are for informational and educational purposes only and do not constitute financial, mortgage, tax, investment or legal advice. Always speak to a qualified UK professional before making property investment decisions.