Tool

Compare two or three
properties you are actually considering.

Put your own numbers in and the comparison does the arithmetic that sales material leaves out: price per square metre, rent per square metre, stamp duty at your own buyer status, and yield after the charges rather than before them.

Two pink front doors side by side in a brick terrace
Two front doors side by side, Columbia Road, London. Photo: Gleren Meneghin, Unsplash (Unsplash License).

Short answer

From your own figures for two or three properties, the tool works out price and rent per square metre, stamp duty at your buyer status and net yield: rent after voids, building charges, running costs and the management fee, divided by price plus stamp duty.

It is before tax and mortgage interest and leaves out legal fees, searches, furnishing and currency: it is not a return.

Your figures

Your property figures stay in this browser
unless you choose to share them.

Everything runs in your browser. Fill in what you know, leave the rest blank, and print the page when you take it to a viewing.

Running costs and voids, the same for all three columns0 weeks with no rent · management 12% of rent collected · insurance, repairs and other £1,000 a year · example figures

These are the example figures the rental yield calculator opens with. Replace each one with your own, and enter 0 where a cost does not apply. A blank line counts as missing, not as zero.

weeks
% of rent collected
£a year
£a year
£a year

Property AProperty BProperty C
Your label for itExample
Purchase price (£)
Internal area (m²)
Expected monthly rent (£)
Lease years remaining
Service charge (£/year)
Ground rent (£/year)
Estate charge (£/year)
Completion
Calculated
Price per m²———
Rent per m² per month———
Stamp duty———
Building charges a year———
Gross yield on price———
Net operating income, a year———
Net yield before tax and finance costs———
Nothing left blank.

Net yield here is the same calculation as in our rental yield calculator: the annual rent, less the weeks with no rent, less each column’s service charge, ground rent and estate charge, the running costs above and the letting and management fee on the rent collected, divided by the price plus stamp duty.

It is before tax and before mortgage interest, and it leaves out legal fees, searches, furnishing and currency, so it is not a return: it is a like-for-like ratio for comparing these columns with each other.

For one property in detail, with your own purchase costs, a fee in pounds, mortgage interest and the cash flow after it, use the rental yield calculator. Enter the stamp duty shown here as its purchase costs, and the same figures give the same net yield.

No column is marked best, cheapest or highest-yielding. Which one wins depends on what the money has to do, and that is a question about your plan rather than about the three flats.

What it will not do

It holds no listings,
and that is the point.

Take it further
Book a consultation

Bring the printout.
We will fill the gaps.

Send us the two or three you are weighing and we will put the missing questions to the developers in writing.

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