PropertyCalculators.ai
41 Live Calculators

Free Property Calculators for UK Developers & Investors with PropertyCalculators.ai

Calculate yields, GDV, ROI, bridging costs, lease extensions, title splits and more. Professional-grade tools built for UK property professionals.

77 total calculators • 10 categories • Built for UK property professionals

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UK Compliant

Built for UK Property Professionals

Every calculation uses UK-specific formulas, tax rates, and industry standards

Instant Calculations

40+ live calculators delivering results in seconds, not hours

UK Tax Compliant

SDLT, CGT, Section 24, and all UK-specific tax calculations built-in

BCIS Aligned

Build costs based on BCIS data with regional adjustments

Lender Ready

DSCR, ICR, and LTV calculations matching lender requirements

Featured Calculators

Most popular tools used by UK property professionals

DevelopmentLive
Development Finance Calculator
Structure your development finance with senior debt, mezzanine, and equity analysis
Buy-to-LetLive
Buy to Let Calculator
Calculate buy-to-let profitability, rental yield, monthly cashflow and ROI
LeaseholdLive
Lease Extension Calculator
Calculate the cost to extend your lease using the statutory formula
HMOLive
HMO Viability Calculator
Assess whether your HMO conversion or purchase will stack financially
BridgingLive
Bridging Loan Calculator
Calculate bridging loan costs, fees, and total repayment
DevelopmentLive
GDV Calculator
Estimate Gross Development Value using Land Registry comparables

10 Calculator Categories

Comprehensive tools covering every aspect of the UK property cycle

Development
13 calculators

GDV, Build Costs, Finance, CIL and more

HMO & Conversion
9 calculators

Viability, Fire Safety, Licensing

Leasehold & Title
9 calculators

Lease Extensions, Service Charges

Title Split & Planning
6 calculators

Title Splitting, Planning Gain

Buy-to-Let & Portfolio
13 calculators

Yields, BRRR, Stamp Duty, Section 24

Bridging Finance
5 calculators

Bridge Loans, Refurb Finance

Serviced Accommodation
4 calculators

SA Profitability, Holiday Let Tax

Commercial Property
5 calculators

Yields, ERV, Commercial Ground Rent

Refurbishment
6 calculators

Refurb Costs, Loft Conversions, EPC

Ultra-Niche
7 calculators

Knotweed, Cladding, Party Walls

Who Uses PropertyCalculators.ai?

Trusted by UK property professionals across the industry

Property Developers

Calculate GDV, build costs, development finance structures, profit on cost, and residual land values for feasibility studies.

Buy-to-Let Investors

Analyze rental yields, DSCR ratios, BRRR strategies, stamp duty costs, and Section 24 tax implications for portfolio growth.

HMO Operators

Assess HMO viability, calculate licensing fees, estimate fire safety compliance costs, and model conversion expenses.

Leaseholders

Calculate lease extension premiums, marriage value, service charges, and understand ground rent obligations.

Bridging Specialists

Model bridging loan costs, refurbishment finance options, bridge-to-let exits, and compare retained vs rolled interest.

Portfolio Investors

Track blended LTV across portfolios, compare personal vs Ltd company structures, and model refinancing strategies.

Start Calculating Today

Access 41 live calculators completely free. No signup required. Built for UK property professionals.

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