18 free landlord calculators

Free landlord
Free landlord
calculators
calculators

August's free landlord calculators cover everything from rental yield and stamp duty to pro-rata rent and EPC improvements. All tools are free, require no sign-up, and are built specifically for UK landlords.

August's free landlord calculators cover everything from rental yield and stamp duty to pro-rata rent and EPC improvements. All tools are free, require no sign-up, and are built specifically for UK landlords.

Postcode Property Checker for Landlords

Instantly check any UK postcode for local authority details, compliance checks, environmental risks and nearby amenities

Quick, clear, and free, with no sign-up needed.

Free landlord calculators
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Investment

Rental yield calculator

Test different rents and purchase prices to see which gives you a better yield. Find out if your rental stacks up.

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Investment

Rental cash flow calculator

Work out your rental cash flow easily. See how void periods, fees, mortgage costs and other costs affect your monthly and annual cash flow. Understand your breakeven rent.

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Tax

Buy-to-let stamp duty calculator

Check stamp duty instantly across regions and buyer types. See how rates change for additional properties, non-residents, and different completion dates.

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Investment

Buy-to-let mortgage calculator

Test different rates, terms, deposits and fees to see your monthly interest, principal and total repayment. Compare interest-only and capital and interest options to check affordability and LTV.

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Investment

Buy-to-let investment calculator

Work out the ROI and cash-on-cash return on a buy-to-let from your deposit, mortgage and costs. See your monthly profit and how leverage changes the return before you commit.

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Ops

Rent valuation calculator

Work out how much rent to charge from local comparables, with a yield cross-check to confirm the figure stacks up. Price your let with confidence before you advertise.

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Ops

Pro-rata rent payments calculator

Calculate partial rent for moving in and refunds for unused days when moving out, based on your monthly rent, rent due day and the dates you provide.

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Ops

Weekly to monthly rent calculator

Instantly convert rent between weekly, fortnightly, 4-weekly, monthly, quarterly. 6-monthly and annual amounts. See your annualised rent, daily rate and pro-rata calculations at a glance.

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Ops

Rent increase calculator

Rent increase calculator for landlords. Estimate your new rent, see the annual income impact, and compare different increase amounts before you notify your tenant.

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Ops

Rent affordability calculator

Check if a tenant's income comfortably covers your monthly rent using a simple rent-to-income ratio, so you can screen applicants effectively.

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Tax

Landlord mileage calculator

Quickly estimate your mileage allowance using official HMRC rates. From your home to your rental property.

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Ops

EPC improvements calculator

Calculate how improvements to your property mean improvements to your EPC rating.

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Ops

Property inventory calculator

See when each item will need replacing and how much to budget. Turn your inventory into a simple, time based replacement plan.

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Tax

Rental income tax calculator

Making Tax Digital calculator for landlords. Review digital VAT records, estimate returns, and quarterly MTD submissions.

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Ops

Property Management fees calculator

Compare what a letting agent charges against self-managing. See annual agent cost, your self-management equivalent, and how much you could save.

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Ops

Selective licensing checker

Selective Licensing checker for landlords. Check whether your rental property may need a selective licence and what this means for compliance.

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Complex

HMO calculator

Analyse your HMO deal in seconds. See projected cashflow, yields, ICR tests, breakeven occupancy and refinance value, all in one place.

August brand background - dark green

Available on:

Download August on the App Store
Use August on the web
Get August on Google Play

Stay ahead of Making Tax Digital

Making Tax Digital for Income Tax means keeping digital records and sending HMRC an update every quarter. August is recognised by HMRC. It keeps your records as you go, sends your quarterly updates and reminds you before every deadline. Whether MTD applies to you this year or later, you'll be ready.

30-day free trial

Cancel anytime

Setup in under 5 minutes

app screenshot
August brand background - dark green

Available on:

Download August on the App Store
Use August on the web
Get August on Google Play

Stay ahead of Making Tax Digital

Making Tax Digital for Income Tax means keeping digital records and sending HMRC an update every quarter. August is recognised by HMRC. It keeps your records as you go, sends your quarterly updates and reminds you before every deadline. Whether MTD applies to you this year or later, you'll be ready.

30-day free trial

Cancel anytime

Setup in under 5 minutes

app screenshot
August brand background - dark green

Available on:

Download August on the App Store
Use August on the web
Get August on Google Play

Stay ahead of Making Tax Digital

Making Tax Digital for Income Tax means keeping digital records and sending HMRC an update every quarter. August is recognised by HMRC. It keeps your records as you go, sends your quarterly updates and reminds you before every deadline. Whether MTD applies to you this year or later, you'll be ready.

30-day free trial

Cancel anytime

Setup in under 5 minutes

app screenshot
August forest green background

Your portfolio deserves better than a spreadsheet.

Join 3,000+ UK Landlords and Tenants who track compliance, collect rent, and manage all their properties from one dashboard.

No credit card required · Free for up to 2 tenancies · No commitment

August forest green background

Your portfolio deserves better than a spreadsheet.

Join 3,000+ UK Landlords and Tenants who track compliance, collect rent, and manage all their properties from one dashboard.

No credit card required · Free for up to 2 tenancies · No commitment

August forest green background

Your portfolio deserves better than a spreadsheet.

Join 3,000+ UK Landlords and Tenants who track compliance, collect rent, and manage all their properties from one dashboard.

No credit card required · Free for up to 2 tenancies · No commitment