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Free HMO yield calculator

Does the HMO still pay after the bills?

An HMO's headline rent looks great until you take off the bills you pay, the empty rooms, management and licensing. Put in the rooms and the running costs and see the yield and cashflow that's actually left. No sign-up.

The rooms
Bills included, as most HMOs let
92% means each room sits empty for about a month a year
The purchase
Stamp duty is worked out at additional-property rates
Fire doors, alarms, extra bathrooms, furniture
Usually lasts five years; spread over that here
Running costs
Energy, water, broadband, council tax, TV licence
HMO agents often charge 12–15%; 0 if you self-manage
Mortgage
0 if you're buying with cash

What's left

Monthly cashflow—
Gross yield on the price—
Net yield on the total cost—
Cash-on-cash return—
A year
Rent if every room is full—
Rent at your occupancy—
Bills—
Management and maintenance—
Insurance and licence—
Mortgage interest—
Cash in
Deposit, stamp duty, fees and works—
Stamp duty (included)—
Before tax. Net yield is the rent left after running costs, over the price plus stamp duty, fees and works.
Before you convert

The numbers work. Will the council let you do it?

PropertyPredator checks the address for Article 4 directions, conservation areas and listed buildings, shows real sold prices on the street, and runs the HMO through the full Deal Analyser. Article 4 and other planning-constraint checks are for England; the rest covers postcodes in England, Wales and Scotland.

✓ Article 4 & conservation flags✓ Real sold prices✓ HMO appraisal✓ Max-offer solver (Hunter)
Check the address — free account →
Free to start. No card.

HMOs — questions

When does an HMO need a licence?

In England, a mandatory licence is needed when five or more people from more than one household share the property. Many councils also run additional licensing for smaller HMOs. Scotland and Wales have their own rules. Check with the council before you buy.

Do I need planning permission?

In England, turning a house into a small HMO (three to six people) is usually permitted development, unless the council has an Article 4 direction that removes it. Seven or more people normally needs planning permission. That's why the Article 4 check matters before you make an offer.

Why is net yield measured on the total cost?

Because the conversion money, stamp duty and fees are part of what you spent. Measuring on the price alone flatters an HMO that needed heavy work.

Is this financial advice?

No. It's a calculator using the figures you enter. Always do your own due diligence and take professional advice before buying.