HMO Mortgages: Rates, Lenders, Criteria and How to Get Approved

By Jake Stott, Knox Mortgages. Reviewed by an adviser authorised under Fort Advice Bureau, FCA FRN 972730. Published 11 September 2026. Last reviewed 25 September 2026.

An HMO mortgage is a specialist buy-to-let mortgage for a House in Multiple Occupation: a property let room by room to three or more tenants from more than one household who share a kitchen or bathroom. Fewer lenders offer them, deposits start at 20% to 25%, and the rent is stress-tested harder than a standard buy-to-let. In return, a well-run HMO produces two to three times the rent of the same house let to one family.

This guide covers what the ranking guides skip: which lenders actually accept HMOs and on what terms, how the interest cover calculation works with the arithmetic shown, why applications get declined, what the Renters’ Rights Act changed on 1 May 2026, and the specific rules in Manchester. If you are new to buy-to-let altogether, read our buy-to-let mortgage guide first.

Can you get a mortgage for an HMO?

Yes. Around 20 UK lenders offer HMO mortgages, from building societies such as Leeds and The Mortgage Works to specialist banks such as Paragon, Shawbrook, Aldermore, Hampshire Trust Bank and Precise. None of the big six high street banks lend on HMOs through their standard buy-to-let ranges, which is why most HMO finance is arranged through a broker with access to the specialist market.

The property, not just the borrower, has to qualify. Lenders want the right licence in place or applied for, a layout that meets the council’s space and fire standards, and in most cases evidence that you have let property before. Some lenders will consider a first-time landlord on a small HMO; almost none will on a large licenced one. The full criteria are set out below, lender by lender.

How is an HMO mortgage different from a standard buy-to-let mortgage?

An HMO mortgage differs from a standard buy-to-let in five practical ways: fewer lenders, higher pricing, a stricter rental stress test, a different valuation method, and a licensing check built into the underwriting. Rates typically sit 0.3% to 1% above an equivalent buy-to-let product, and the lender assesses the rent room by room rather than as a single tenancy.

Factor	Standard buy-to-let	HMO mortgage
Lenders available	60+	Around 20
Typical maximum LTV	75% to 80%	75% (80% to 85% with a few specialists)
Minimum deposit	20% to 25%	25% (20% at the top end of the market)
Interest cover ratio (ICR)	125% to 145%	125% to 175% depending on lender and tax status
Valuation basis	Bricks and mortar (comparable sales)	Bricks and mortar, investment (yield) or hybrid
Landlord experience	Usually none required	Often 12 months’ letting experience, sometimes HMO specific
Licensing	Not applicable	Mandatory for 5+ occupants; additional schemes for smaller HMOs in many councils
Indicative rate premium	Baseline	+0.3% to +1%

What counts as an HMO for mortgage purposes?

For licensing, an HMO is a property let to three or more people forming more than one household who share facilities. A large HMO, which needs a mandatory licence anywhere in England and Wales, is let to five or more people from two or more households. Lenders use their own definitions, and the difference matters when you choose a product.

Category	Definition	Licence	Mortgage implication
Small HMO	3 or 4 occupants from 2+ households sharing facilities	Only where the council runs an additional licensing scheme (Manchester does)	Some lenders treat a 3 or 4 bed as standard buy-to-let; others price it as an HMO
Large HMO	5 or more occupants from 2+ households	Mandatory licence, valid up to 5 years	Full HMO product. Licence or proof of application required before offer
Sui generis HMO	7 or more occupants	Mandatory licence plus full planning permission	Fewer lenders; valued on an investment basis; lower maximum LTV (YBS caps at 70% above 6 beds)
Student HMO	Any of the above let to full-time students	As above	Lenders model 9 to 10 months’ rent, or want a 12 month contract

Operating an unlicensed HMO carries an unlimited fine and exposes you to a rent repayment order of up to 12 months’ rent. No lender will complete on a purchase where a licence is required and no application has been made.

What are HMO mortgage rates in September 2026?

In September 2026, HMO mortgage rates at 75% loan to value run from roughly 4.5% to 6.5% on two and five year fixed products, with product fees of £1,499 flat or 1% to 3% of the loan. Leeds Building Society, one of the few lenders that publishes HMO pricing openly, lists small HMO fixed rates from 5.88% to 6.53% and large HMO rates from 6.72% to 7.03%, each with a £1,499 product fee. Specialist lenders undercut that on rate but charge higher percentage fees.

Product type (75% LTV)	Indicative rate range	Typical fee	Notes
2 year fixed, personal name, small HMO	4.5% to 6.2%	£1,499 or 2% to 3%	Lowest headline rates carry the highest fees
5 year fixed, personal name, small HMO	4.8% to 6.5%	£1,499 or 2% to 3%	Stress tested at pay rate, so borrowing is higher
Limited company (SPV), any term	+0.1% to +0.5% on the above	As above	Offset by the 125% ICR most lenders apply to companies
Large or sui generis HMO (7+ rooms)	5.5% to 7%+	2% to 3%	Commercial style underwriting, investment valuation

These are market ranges taken from published lender and broker data at the time of review, not a quote. The rate you are offered depends on the property, the licence status, your experience and the lender’s valuation method. We price every case across the whole market before recommending a product.

Which lenders offer HMO mortgages and what are their criteria?

Every guide names lenders; almost none shows their criteria side by side. The table below is built from lenders’ published intermediary criteria and from the lender panel we use on our bridging and commercial desk. Criteria change monthly, so treat it as a map of the market rather than a rate sheet.

Lender	Max LTV	Room limit	Experience required	ICR / stress	Notable
The Mortgage Works (Nationwide)	75%	5 to 7 lettable rooms; max 4 storeys, one kitchen	2 years’ BTL or 1 year HMO (purchases)	175% for all HMO cases	£100,000 minimum value; EPC E or better; limited company accepted
Leeds Building Society	60% or 75%	Small and large products	Experienced landlords	Published on criteria page	£100,000 minimum (£250,000 London); no minimum income; no maximum age; rates published
YBS Commercial	75% to 6 beds; 70% for 7 to 20 beds	3 to 20 bedrooms	12 months managing an HMO	130% net ICR (company); 150% at pay rate +0.5% (professional landlord)	Loans £500,000 to £3m; £135,000 minimum value; EPC A to C or a plan to get there
Paragon	75% to 80%	Large HMOs and multi-unit blocks welcomed	Prefers experienced and portfolio landlords	Tiered by tax status	Strong on limited company and portfolio cases
Shawbrook	75%	Large HMOs, sui generis	Experienced	Case by case	Investment valuations; semi-commercial and multi-unit under one roof
Aldermore	75%	Free valuation up to 6 beds	Flexible	Recently lowered ICR	Case by case underwriting; multi-property products
Hampshire Trust Bank	75%	Large HMOs, student blocks	Experienced	Bespoke	Term loans 5 to 30 years; also bridges the refurbishment
Precise / InterBay (OSB Group)	75% to 80%	Small through to large	Precise more flexible; InterBay for complex	Tiered	Adverse credit considered; bridge to term under one group
Castle Trust Bank	75%	HMO and multi-unit	Some experience	Tiered	Bridge to Let with a guaranteed term exit; adverse considered at reduced LTV
Together	Up to 75%	Wide	First-time landlords considered	Bespoke	Manual underwriting; complex income; Scotland covered

Other lenders active in the HMO market include Kent Reliance, Foundation Home Loans, Landbay, LendInvest, United Trust Bank, Cambridge and Counties, Allica, GB Bank and Roma. The right lender for a two-bed conversion in Salford is rarely the right lender for a 12-room licenced property in Fallowfield, and getting that choice right at the outset is most of the job.

How much can you borrow on an HMO mortgage?

You can usually borrow up to 75% of the property’s value, capped by an interest cover test on the rent. The lender takes the expected monthly rent, divides it by its interest cover ratio (typically 125% for limited companies and basic rate taxpayers, 145% for higher rate taxpayers, and up to 175% at lenders such as The Mortgage Works), then works out the largest loan that rent would service at a stress rate. On two year fixes the stress rate is usually the pay rate plus 2% or a floor of around 5.5%; on five year fixes most lenders test at the pay rate itself.

Because HMO rent is high relative to value, the rent test is rarely the limit. The 75% loan to value cap usually is. That is the opposite of a standard single-let, where the rent test bites first, and it is why HMO investors can leverage properties that would fail a normal buy-to-let calculation.

A worked HMO mortgage example with the calculation shown

Illustrative only, not a quote. Suppose you buy a six-bedroom licenced HMO in south Manchester for £300,000, putting down a 25% deposit of £75,000 and borrowing £225,000 at 75% loan to value on an interest-only basis at 5.5% fixed for five years.

• Monthly interest: £225,000 x 5.5% / 12 = £1,031
• Rent: six rooms at £600 a month = £3,600 a month, £43,200 a year
• Gross yield: £43,200 / £300,000 = 14.4%

Now the interest cover test. At each ICR the rent must cover the stressed interest by that margin, so the required rent is interest multiplied by the ratio:

Lender ICR	Rent required on £1,031 interest	Actual rent	Maximum loan the rent supports at 5.5%
125% (limited company)	£1,289	£3,600	£628,000
145% (higher rate taxpayer)	£1,495	£3,600	£541,000
175% (The Mortgage Works)	£1,805	£3,600	£448,000

The maximum loan figure is the rent divided by the ICR, multiplied by 12, divided by the stress rate. At 175%: £3,600 / 1.75 = £2,057 a month, x 12 = £24,686 a year, / 0.055 = £448,800. Every one of those figures is far above the £225,000 you actually need, which is the point: the loan is capped by the 75% LTV, not by the rent. The same property let to a single family at £1,300 a month would support a loan of only about £163,000 at 145%.

How are HMO properties valued?

Lenders value HMOs in one of three ways, and the method can change your maximum loan by £50,000 or more on the same house. The valuer’s instructions come from the lender, so choosing the lender is choosing the valuation basis.

Method	How it works	Used for	Effect on your loan
Bricks and mortar	Compared with recent sales of similar houses, ignoring the HMO income	Small HMOs, 3 to 6 rooms, in ordinary residential streets	Lowest value. A £250,000 terrace is worth £250,000 regardless of rent
Investment (yield based)	Annual net rent capitalised at a market yield. £43,200 rent at a 10% yield gives £432,000; at 8% gives £540,000	Large and sui generis HMOs, purpose-built or heavily converted, 7+ rooms	Highest value. Unlocks the equity created by a conversion, which is how buy, refurbish, refinance works on HMOs
Hybrid	Bricks and mortar plus a premium for the licence, layout and income	Mid-size licenced HMOs where comparable HMO sales exist	Middle ground. Increasingly common in Manchester, Liverpool and Leeds where HMO sales data is deep

If you have converted a house and expect to refinance on the uplifted value, ask before you apply which basis the lender instructs. A lender that only values bricks and mortar will return your original purchase price plus modest uplift, and the refinance will not release the capital you planned on. This is the single most common reason a buy, refurbish, refinance exit falls short.

What deposit do you need for an HMO mortgage?

You need a 25% deposit for most HMO mortgages, meaning 75% loan to value. A handful of specialist lenders lend to 80% and occasionally 85% on small HMOs for experienced landlords, and large or sui generis HMOs are often capped at 70%. Limited company purchases sometimes attract a 5% lower LTV at the same lender. On a £300,000 property that means £75,000 at 75%, £60,000 at 80% and £90,000 at 70%.

The deposit can come from savings, equity released from another property by remortgage or a second charge, a gift from family, or a director’s loan into an SPV. Deposits sourced from a further advance on your home need to be declared and affordability-tested by the residential lender. What you cannot do at most lenders is borrow the deposit unsecured.

Should you buy an HMO in a limited company?

Most HMO investors now buy through a limited company, usually a special purpose vehicle with SIC codes 68100 and 68209, because mortgage interest is fully deductible against rental profits and corporation tax runs at 19% to 25% rather than up to 45% income tax. Section 24 removed full interest relief for individual landlords in 2020, and on an HMO with £12,000 of annual interest that difference is worth thousands a year to a higher rate taxpayer.

The mortgage trade-offs: rates are 0.1% to 0.5% higher, the lender takes personal guarantees from directors, and a few lenders cap company LTV 5% lower. Against that, lenders apply a 125% ICR to companies instead of 145%, which increases borrowing. We set out the full comparison on our limited company buy-to-let mortgage page. Moving an existing personal HMO into a company is a sale for stamp duty and capital gains purposes, so take tax advice before restructuring.

What does an HMO mortgage cost beyond the rate?

The all-in cost of buying and financing an HMO is materially higher than a single let, and lenders will ask how you have budgeted for it. The main items on a £300,000 purchase:

Cost	Typical amount	Note
Stamp duty (England)	£17,500 on £300,000	Includes the 5% additional property surcharge. Companies pay the surcharge on every purchase
Lender product fee	£1,499 flat or 1% to 3% (£2,250 to £6,750)	Usually can be added to the loan
Valuation	£300 to £800; £1,000 to £1,500 for an investment valuation	Some lenders offer free valuations up to 6 beds
HMO licence	£600 to £1,500 per property for up to 5 years	Set by each council, often banded by number of rooms
Fire safety and compliance works	£3,000 to £15,000	Interlinked alarms, fire doors, emergency lighting, kitchen provision
Legal fees	£1,200 to £2,000	Higher for company purchases with lender-required independent legal advice on guarantees

Can a first-time landlord get an HMO mortgage?

Yes, but from a shorter list of lenders and usually on a small HMO of up to six rooms. Together, Precise, Aldermore and a few building societies will consider a first-time landlord who owns their own home, has a clean credit file and can show a realistic management plan or a managing agent in place. Most lenders that take large licenced HMOs, and all that take sui generis properties, want 12 months of letting experience and often 12 months of HMO experience specifically.

If you are a first-time buyer who does not own a home at all, the market is smaller again. Lenders worry about back-door residential lending, so expect a maximum of 70% to 75% LTV, an income minimum of around £25,000, and a requirement that the rent covers the mortgage without your salary. Self-employed applicants are treated the same as employed ones for buy-to-let, and our self-employed buy-to-let page explains the income evidence lenders want.

Why do HMO mortgage applications get declined, and how do you fix it?

HMO applications are declined for property reasons more often than borrower reasons. The seven we see most, with the fix for each:

1. No licence and no application lodged. Lenders will not offer on a large HMO without proof the licence has been applied for. Fix: submit the licence application to the council before the mortgage application, and send the acknowledgement to the lender.
2. Planning status. A house converted to a 5-bed HMO inside an Article 4 area without C4 planning consent is unmortgageable at almost every lender. Fix: obtain a lawful development certificate or planning consent first, or buy on bridging and regularise before the term refinance.
3. Wrong valuation basis. The lender instructs a bricks and mortar valuation on a converted 8-bed and the figure comes back £80,000 short. Fix: place the case with a lender that instructs investment valuations on that property type, and give the valuer the tenancy schedule and licence.
4. Layout fails the space standards. Rooms under 6.51 square metres for a single adult cannot be licenced and are not counted as lettable. Fix: reconfigure, or apply on the number of compliant rooms.
5. Experience shortfall. A first-time landlord applying for a 10-room property. Fix: a lender with no experience rule at a lower LTV, or a managing agent agreement that some lenders accept as a substitute.
6. Tenancy type. Individual room tenancies where the lender wanted one agreement, or supported housing and asylum contracts where the lender wanted a standard tenancy. Fix: a lender whose criteria match the tenancy. Our corporate lease buy-to-let page covers the contract-let side of this market.
7. Adverse credit. A default or CCJ inside the lender’s look-back window. Fix: specialist lenders such as Precise, Together and Castle Trust consider adverse at reduced LTV.

A declined HMO case costs you a valuation fee and four to six weeks. The cheapest fix is the right lender first time, which is what a whole-of-market broker is for.

How did the Renters’ Rights Act change HMO mortgages?

From 1 May 2026 in England, assured shorthold tenancies and section 21 no-fault evictions were abolished and every private tenancy became a periodic assured tenancy. For HMO landlords that removes fixed terms altogether: tenants give two months’ notice and leave when they choose. Lenders have responded by modelling higher void allowances on room-by-room lets and asking for evidence of tenant demand in the area rather than signed 12 month contracts.

Student HMOs have a specific new possession ground, ground 4A, allowing a landlord of an HMO let to full-time students to regain possession between June and September for the next academic intake, provided the tenants were told in advance. Purpose-built student accommodation is exempt from the periodic tenancy rules entirely. Lenders that previously insisted on 12 month student contracts now underwrite on 9 to 10 months’ income and treat ground 4A eligibility as a criterion. If your student HMO would not qualify for ground 4A, say so at application; it affects which lenders will consider it.

Can you use bridging finance to buy or convert an HMO?

Yes, and for conversions it is often the only route, because a term HMO lender will not lend on a house that is not yet an HMO. The standard structure is a refurbishment bridging loan at up to 75% of purchase price plus 100% of works, a 6 to 12 month conversion and licensing period, then a refinance onto a term HMO mortgage at 75% of the new investment value. Bridging costs 0.7% to 1.1% a month, so the sums only work if the uplift in value exceeds the finance cost.

Several lenders, including Castle Trust, Precise and Hampshire Trust Bank, offer bridge-to-let products where the term exit is agreed at the outset, which removes the biggest risk in the strategy: reaching the end of the bridge with no lender willing to refinance. Our bridge-to-let mortgage page covers the mechanics, and the bridging loan calculator shows the total cost of carry over the term.

What are the HMO rules in Manchester?

Manchester is one of the strictest HMO markets in England and the rules directly affect what you can finance. The city has a borough-wide Article 4 direction, so converting a family house (use class C3) to a small HMO (class C4) needs full planning permission everywhere in the city, and the council routinely refuses applications in streets where HMO concentration already exceeds its threshold. It also runs additional licensing, meaning 3 and 4 person HMOs need a licence in designated areas, not just 5 plus.

For mortgages that means three things. First, a Manchester house already trading as an HMO without planning consent is very hard to refinance, and the discount buyers demand for that reflects it. Second, lenders’ valuers in Manchester have deep HMO sales data, so hybrid and investment valuations are more available here than in most cities. Third, established licenced HMOs in Fallowfield, Withington, Rusholme, Salford and Stockport carry a scarcity premium precisely because new supply is planning-constrained. As a Manchester broker we know which lenders’ valuers understand that, and which will treat a licenced 7-bed in Withington as an ordinary terrace.

An anonymised Knox HMO case

Illustrative and anonymised. A client with two single-let flats bought a four-bedroom terrace in Levenshulme for £215,000 through a limited company using a refurbishment bridge at 70% of purchase plus works. Over five months they converted it to a six-bedroom licenced HMO with an additional kitchen and full fire compliance, spending £38,000. The council granted the licence and, because the property sat in a street below the Article 4 concentration threshold, planning consent for C4 use.

Two lenders quoted for the term exit. The first instructed a bricks and mortar valuation and returned £245,000, which at 75% would have released £183,750, less than the bridge and works. The second, a specialist bank, instructed a hybrid valuation and returned £298,000 on a rent roll of £3,480 a month, releasing £223,500 at 75% and repaying the bridge, the works and most of the deposit. The client kept a 14% gross yield asset with roughly £30,000 of their own money left in it. Same house, same rent; the lender choice was worth £40,000 of released capital.

How long does an HMO mortgage take?

Plan for 6 to 10 weeks from application to offer on a purchase, and 8 to 14 weeks to completion. The extra time over a standard buy-to-let comes from three places: specialist valuations take 2 to 3 weeks to book and report, lenders check the licence and planning position with the council, and company purchases add independent legal advice on guarantees. Remortgages of an already licenced HMO with a clean tenancy schedule are quicker, often 4 to 6 weeks to offer.

The biggest delays are avoidable: a licence application that has not been made, a tenancy schedule that does not match the rooms in the valuation, and a case placed with a lender that was never going to accept the property. Our mortgage timeline guide sets out the stages in detail.

HMO mortgage frequently asked questions

Are HMO mortgages more expensive than buy-to-let mortgages?

Yes, by 0.3% to 1% on the rate and often a higher product fee. Lenders price for the management intensity, the licensing risk and the smaller resale market. Against that, the rent is typically two to three times higher than a single let, so the cost per pound of income is lower.

What is the minimum deposit for an HMO mortgage?

25% at most lenders. A few specialists lend to 80% or 85% on small HMOs for experienced landlords, and large or sui generis HMOs are usually capped at 70% LTV, meaning a 30% deposit.

Can I get an HMO mortgage on a property that is not yet an HMO?

No. Term HMO lenders lend on the property as it stands at valuation. To buy a house and convert it, use a refurbishment bridging loan, complete the works and licensing, then refinance onto an HMO mortgage.

Do I need an HMO licence before applying for the mortgage?

You need to have applied. Lenders require proof of a licence application before offer on a purchase and a current licence on a remortgage. Where a licence is not required, for example a small HMO outside an additional licensing area, the lender will ask the council or your solicitor to confirm that.

Can I get an HMO mortgage with bad credit?

Yes, at specialist lenders. Precise, Together, Castle Trust and others consider defaults, CCJs and missed payments, usually with a lower maximum LTV and a higher rate. Recent bankruptcies and IVAs narrow the market considerably.

How many bedrooms can an HMO mortgage cover?

Most lenders cap at 6 to 8 lettable rooms. The Mortgage Works accepts 5 to 7, Aldermore’s free valuation applies up to 6, and YBS Commercial and Shawbrook lend on 7 to 20 room properties on a commercial basis.

Is a student HMO harder to finance after the Renters’ Rights Act?

Slightly. Since 1 May 2026 fixed-term student tenancies no longer exist outside purpose-built accommodation, so lenders model 9 to 10 months’ rent and look for ground 4A eligibility. Well-located student HMOs remain widely financeable.

Can I remortgage an HMO to release equity?

Yes. A licenced, tenanted HMO can be remortgaged at up to 75% of its value, and where the lender uses an investment or hybrid valuation the value reflects the rent, not just comparable house sales. Our day one remortgage page covers refinancing within six months of purchase.

Speak to a Manchester HMO mortgage broker

Knox Mortgages is a whole-of-market broker with a dedicated bridging and commercial desk and a lender panel of more than 100 short-term and specialist lenders. We place HMO purchases, conversions and refinances for first-time landlords through to portfolio investors, and we tell you before you pay a valuation fee whether the property and the lender fit.

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