Main Menu Button
Login

Can I get an HMO mortgage for an unlicensed property?

26th March 2026

By Simon Carr

Navigating the mortgage landscape for Houses in Multiple Occupation (HMOs) requires specialist knowledge, particularly when the property in question is not yet licensed. Standard long-term mortgage lenders typically require the property to be fully licensed and compliant with local authority standards before they will approve specialist HMO funding. If you are looking to purchase an unlicensed property intending to convert it into a compliant HMO, specialist short-term finance, such as a bridging loan, is often the necessary interim step before securing the final HMO mortgage product.

TL;DR: You generally cannot secure a standard long-term HMO mortgage for an unlicensed property because lenders require proof of compliance and legal rental income. However, specialist short-term financing like a bridging loan can be used to acquire the property and fund necessary works and licensing application fees, allowing you to transition to an HMO mortgage later once the licensing is approved.

Can I Get an HMO Mortgage for an Unlicensed Property? Understanding UK Lending Rules

The decision by lenders on whether to approve an HMO mortgage hinges primarily on the legal and commercial viability of the property. For a property to be legally rented out as an HMO above specific tenant thresholds, it must possess the correct licence issued by the local authority. Lenders treat the presence of a licence as confirmation that the investment is sound and the projected rental income is sustainable and lawful.

Why Standard Lenders Require HMO Licensing Upfront

Lenders, especially mainstream buy-to-let (BTL) providers, operate under strict criteria designed to protect their investment. An unlicensed HMO poses several significant risks from a lending perspective:

  • Legal Risk: Operating an HMO without the necessary licence can lead to substantial fines, enforcement action, and Rent Repayment Orders (RROs). This disrupts the expected rental income used to service the mortgage.
  • Valuation Risk: The property valuation used for lending purposes assumes a legitimate HMO use. If the property cannot be legally operated as an HMO, its commercial value decreases, potentially putting the lender at risk.
  • Compliance Uncertainty: If a property requires remedial work to meet licensing standards (e.g., fire safety upgrades, improved amenities), the lender does not want the burden of funding those works or waiting for their completion.

Therefore, when asking, “can I get an HMO mortgage for an unlicensed property?”, the answer for a standard, long-term repayment product is almost always negative until the licensing process is complete.

Understanding HMO Licensing Requirements in the UK

In the UK, a property is typically defined as an HMO if at least three tenants from two or more households live there and share essential facilities like a kitchen or bathroom. There are two main types of licensing:

  1. Mandatory Licensing: This applies across England and Wales to properties rented to five or more tenants who form two or more separate households, regardless of the number of storeys.
  2. Additional Licensing: Many local authorities have implemented schemes that require licensing for smaller HMOs (e.g., three or four tenants) to better control housing quality in their area.

If the property meets the criteria for mandatory or additional licensing, it must have one before it is rented out. Failure to comply is a criminal offence. Prospective property owners must ensure they fully understand their local authority’s requirements. You can check the UK government’s guidance on HMO licensing requirements for current regulations.

As part of the HMO mortgage application process, lenders will typically request copies of the licence and fire safety certificates. If you are purchasing an existing HMO that is already licensed, the application is straightforward. If it is unlicensed and requires conversion or compliance work, a different financial approach is required.

Bridging Finance: The Solution for Unlicensed HMOs

If you have found a suitable property that needs work, conversion, or licensing before it qualifies for an HMO mortgage, specialist short-term finance—a bridging loan—is often the ideal solution.

How Bridging Loans Facilitate HMO Conversions

Bridging loans are temporary loans designed to “bridge the gap” between the purchase of a property and securing long-term finance. They are secured against the property and can be arranged quickly, often within weeks, making them suitable for time-sensitive purchases (like auctions or properties requiring rapid refurbishment).

A bridging loan allows you to:

  • Acquire the property swiftly, even if it is currently uninhabitable or non-compliant.
  • Fund the conversion, refurbishment, or upgrades necessary to meet HMO licensing standards (e.g., installing additional fire doors, smoke alarms, or improving room sizes).
  • Pay for the associated HMO licence application fees.

The Financial Structure of Bridging Loans

Bridging loans are structured differently from traditional mortgages. They are short-term, typically lasting 6 to 18 months, and interest is often managed through interest roll-up. This means that instead of making monthly interest payments, the interest accrues over the loan term and is paid off in one lump sum when the loan ends (the “exit strategy”).

The most crucial aspect of securing a bridging loan is demonstrating a clear exit strategy—the method by which you intend to repay the loan. In this scenario, the planned HMO mortgage, secured once the property is licensed and generating income, serves as the exit strategy.

Bridging Loan Risks and Compliance

While bridging loans offer flexibility, they carry significant risk due to their secured nature and higher interest rates compared to standard mortgages. It is essential to budget carefully for all costs, including refurbishment, licensing fees, and rolled-up interest.

Compliance Note: Bridging finance is secured against property, and your property may be at risk if repayments are not made. Consequences of default can include legal action, repossession, increased interest rates, and additional charges. Always ensure your exit strategy is robust and achievable within the short loan term.

The Refinancing Pathway to an HMO Mortgage

Once the property has been converted, inspected by the local authority, and the HMO licence has been granted, you can move forward with the permanent HMO mortgage. This process is known as refinancing.

Lenders will typically require a new valuation based on the property’s value as a fully compliant, income-generating HMO. They will assess the projected rental yield (often higher for HMOs than standard BTLs) to ensure it meets their coverage ratio requirements.

Why a Specialist Broker is Essential

Securing short-term finance and then seamlessly transitioning to a specialist HMO mortgage requires coordination and expertise. A specialist financial broker can help you:

  • Identify lenders who are comfortable with HMO conversion projects funded by bridging loans.
  • Structure the bridging loan and the long-term mortgage application simultaneously, ensuring the timing of the exit strategy aligns with the expected completion of works.
  • Source the most competitive rates, which can vary significantly between specialist lenders for complex HMO cases.

Credit Checks and Financial Health

Lenders, whether for bridging finance or specialist HMO mortgages, will perform detailed checks on your financial health, including your credit history, to assess risk.

Get your free credit search here. It’s free for 30 days and costs £14.99 per month thereafter if you don’t cancel it. You can cancel at anytime. (Ad)

A strong credit profile and evidence of successful financial management will greatly improve your chances of securing the necessary financing for both the purchase and the subsequent refinancing.

People also asked

How much deposit do I need for an HMO mortgage?

For specialist HMO mortgages, lenders typically require a larger deposit compared to standard residential mortgages, often starting around 25% or 30% of the property value, reflecting the slightly higher commercial risk associated with this type of investment.

Does the number of storeys affect HMO mortgage eligibility?

While the number of storeys can impact whether mandatory licensing applies (historically five tenants over three storeys, though this specific height rule has changed), lenders focus more on the compliance status and the number of bedrooms/tenants, which determines the potential rental income and complexity of the property’s management.

Can I use a standard BTL mortgage for a small HMO?

If the property meets the definition of an HMO (three or more tenants from two or more households) and especially if it falls under local additional licensing schemes, lenders usually require a specialist HMO product rather than a standard Buy-to-Let mortgage, as HMOs carry different regulatory and insurance requirements.

What happens if my HMO licence application is delayed?

If your licence application is delayed, it can seriously impact your bridging loan exit strategy. Delays mean the property cannot be legally rented out, delaying the HMO mortgage completion. You may need to extend your bridging loan term, incurring additional interest and fees, which highlights the need for contingency planning in your budget.

In summary, while it is extremely difficult to secure an HMO mortgage for an unlicensed property initially, there are well-established financing routes available using specialist bridging loans. This short-term solution provides the necessary capital and time to bring the property into full compliance, ensuring you meet all legal requirements before securing the favourable long-term financing that suits your investment strategy.

It is crucial to work with professionals who understand both the complexities of HMO licensing and the specialist lending market to ensure a smooth transition from purchase to fully licensed, profitable HMO operation.

    Find a commercial mortgage

    Enter some details and we’ll compare thousands of mortgage plans – this will NOT affect your credit rating.

    How much you would like to borrow?

    £

    Type in the box for larger amounts

    For how long?

    yrs

    Use the slider or type into the box

    What type of finance are you looking for?

    How quickly do you need the loan/mortgage?

    Are there any features or considerations which are important to you?

    Tell us more...

    About you...

    Your name:

    Your forename:

    Your surname:

    Your email address:

    Your phone number:


    By submitting any information to us, you are confirming you have read and understood the Data Protection & Privacy Policy.

    Promise Money is a broker not a lender. Therefore we offer lenders representing the whole of market for mortgages, secured loans, bridging finance, commercial mortgages and development finance. These loans are secured on property and subject to the borrowers status. We may receive commissions that will vary depending on the lender, product, or other permissable factors. The nature of any commission will be confirmed to you before you proceed.

    More than 50% of borrowers receive offers better than our representative examples

    The %APR rate you will be offered is dependent on your personal circumstances.

    Mortgages and Remortgages

    Representative example

    Borrow £270,000 over 300 months at 7.1% APRC representative at a fixed rate of 4.79% for 60 months at £1,539.39 per month and thereafter 240 instalments of £2050.55 at 8.49% or the lender’s current variable rate at the time. The total charge for credit is £317,807.66 which includes £2,500 advice / processing fees and £125 application fee. Total repayable £587,807.66

    Secured / Second Charge Loans

    Representative example

    Borrow £62,000 over 180 months at 9.9% APRC representative at a fixed rate of 7.85% for 60 months at £622.09 per month and thereafter 120 instalments of £667.54 at 9.49% or the lender’s current variable rate at the time. The total charge for credit is £55,730.20 which includes £2,660 advice / processing fees and £125 application fee. Total repayable £117,730.20

    Unsecured Loans

    Representative example

    Annual Interest Rate (fixed) is 49.7% p.a. with a Representative 49.7% APR, based on borrowing £5,000 and repaying this over 36 monthly repayments. Monthly repayment is £243.57 with a total amount repayable of £8,768.52 which includes the total interest repayable of £3,768.52.


    THINK CAREFULLY BEFORE SECURING OTHER DEBTS AGAINST YOUR HOME

    REPAYING YOUR DEBTS OVER A LONGER PERIOD CAN REDUCE YOUR PAYMENTS BUT COULD INCREASE THE TOTAL INTEREST YOU PAY. YOUR HOME MAY BE REPOSSESSED IF YOU DO NOT KEEP UP REPAYMENTS ON A MORTGAGE OR ANY OTHER DEBT SECURED ON IT.


    Promise Money is a trading style of Promise Solutions Ltd – Company number 04822774
    Promise Solutions, Fullard House, Neachells Lane, Wolverhampton, WV11 3QG

    Authorised and regulated by the Financial Conduct Authority – Number 681423
    The Financial Conduct Authority does not regulate some forms of commercial / buy-to-let mortgages

    Website www.promisemoney.co.uk