Small HMO mortgages
Understand when a three-, four- or five-bedroom shared property might qualify for a standard buy-to-let mortgage, how tenancy agreements affect eligibility and how lenders assess rent.
Explore small HMO mortgage criteria →What Is an HMO Mortgage?
Explore mortgages for houses in multiple occupation, including when a smaller shared property may qualify for standard buy-to-let lending and when a larger HMO needs specialist finance.
Should You Consider an HMO Property?
A house in multiple occupation (HMO) is generally a property occupied by at least three people from more than one household who share facilities such as a kitchen or bathroom. HMOs can allow landlords to receive rent from individual rooms rather than letting the entire property to one household.
That can increase gross rental income, but it also brings additional responsibilities for management, licensing, safety, maintenance and tenant turnover. Mortgage lenders consider the number of occupants, tenancy agreements, property layout and rental valuation before deciding which products are suitable.
Not every HMO needs a specialist mortgage. Some smaller HMOs may qualify for standard buy-to-let products, whereas larger or more complex properties often require specialist HMO lending. Our guides below explain the differences.
Small and Large HMO Mortgages: Which Guide Do You Need?
There is no single small-versus-large threshold used by every mortgage lender. The number of lettable rooms, actual occupants, tenancy arrangements and property layout all affect eligibility.
Large HMO mortgages
Explore specialist lending for six-bedroom and larger properties, including landlord experience, multiple tenancies, valuation, licensing and rental affordability.
Explore large HMO mortgage criteria →Most Buy-to-Let Mortgages are not regulated by the Financial Conduct Authority
How Does an HMO Mortgage Work?
Lenders assess HMO mortgages based on the number of tenants, property layout, tenancy agreements and rental income.
Smaller HMOs may qualify for standard buy-to-let rates, while larger properties often require specialist HMO lending.
Specialist HMO mortgages may have different product fees, maximum loan-to-value limits and landlord experience requirements. Our small HMO guide and large HMO guide explain how lender criteria differ.
How Much Can You Borrow on an HMO Mortgage?
Mortgage lenders normally assess rental affordability using an interest coverage ratio (ICR) and a stress-test interest rate. The stress rate is not necessarily the rate you will pay. Some lenders assess the combined room rents; others, particularly when using standard buy-to-let products, may rely on the rental value for a single household.
For illustration, on a £200,000 interest-only loan stressed at 5.5%, the annual stressed interest is £11,000. At 125% ICR, the required rent would be approximately £1,146 per month; at 145%, approximately £1,329; and at 175%, approximately £1,604. These figures illustrate different possible lender policies, not guaranteed eligibility or the amount you can borrow.
Importantly, an HMO lender's ICR is not determined solely by your tax band. Some specialist lenders use higher cover requirements for all HMO applications, including limited-company borrowing. Read the large HMO guide for further examples.
Compare More Than the Headline Rate
Product fees, fixed-rate periods, stress tests and lender criteria can make a material difference to your options. Compare the total cost over equivalent periods as well as the initial interest rate.
Today's HMO Fixed Mortgage Rates
These live mortgage summaries illustrate current two- and five-year fixed HMO products using the example property and loan amounts in the search. Follow each comparison link to explore more products and adjust your requirements.
HMO Licensing and Planning
In England, mandatory HMO licensing generally applies where five or more occupants from more than one household share facilities. Councils may operate additional licensing schemes covering smaller HMOs. Planning permission, including Article 4 restrictions, is a separate issue. Requirements differ elsewhere in the UK.
Before purchasing or converting a property, check local licensing, planning, room sizes and safety requirements, as well as your lender's consent.
Expert HMO Mortgage Advice
Go Direct can help you compare lenders' HMO criteria, affordability calculations and mortgage costs. We normally do not charge a fee for HMO buy-to-let mortgage advice, although a fee may apply depending on your circumstances; our typical fee where charged is £399. Any fee would be explained before proceeding.
Explore HMO Mortgages and Rates
Compare HMO fixed-rate, LTV and tracker mortgage options, or read our detailed property guides.
Compare by Mortgage Type or LTV
2-year fixed HMO ratesCompare two-year fixed HMO mortgages
5-year fixed HMO ratesExplore five-year fixed HMO deals
60% LTV HMO ratesCompare mortgages with a 40% deposit
75% LTV HMO ratesExplore options with a 25% deposit
85% LTV HMO ratesCompare mortgages with a 15% deposit
HMO tracker ratesExplore variable tracker-rate options
Understand HMO Mortgages
HMO Mortgage FAQs
Does every HMO require a specialist mortgage?
No. Some smaller shared properties can qualify for standard buy-to-let mortgages, depending on the number of tenants, tenancy agreements, property layout and lender criteria.
What is the difference between a small and large HMO mortgage?
Mortgage lenders use different definitions based on occupants, lettable rooms and property configuration. Larger HMOs generally require specialist underwriting.
How do lenders assess HMO rental income?
Lenders apply their own rental valuation, interest coverage ratio and stress-test rate. Some use room-by-room rents, while certain standard buy-to-let lenders use a single-household rental valuation.
Does an HMO need a licence?
In England, mandatory licensing generally applies to HMOs with five or more occupants from more than one household. Additional local licensing can apply to smaller properties. Rules differ across the UK.
Your home may be repossessed if you do not keep up repayments on your mortgage