What counts as an HMO?
HMRC and local authorities define an HMO as a property where:
- Three or more unrelated tenants live, and
- Tenants share kitchen, bathroom or toilet facilities
The 5+ tenant threshold triggers mandatory HMO licensing from the local authority. Below 5, "Additional Licensing" schemes may still apply in many London boroughs and other urban areas (Manchester, Birmingham, Leeds, Bristol etc.) — check the local authority's HMO register before purchase.
HMO yields are typically 8-12% gross (vs 4-6% on standard single-lets), which is why they're attractive. But the higher yield reflects materially higher costs: licensing fees, gas safety (annual), electrical safety (every 5 years), fire safety (regular checks), more wear and tear, higher void risk in any single room. Net yield is often closer to single-let yields once these costs are factored in.
Which lenders accept SPV HMOs?
The SPV HMO lender panel is narrower than standard SPV BTL. As of 2025/26, the most active lenders are:
- Paragon — Probably the deepest SPV HMO panel. Up to 10 lets, licensed HMO experience preferred. Investment-method valuation routine.
- Aldermore — Up to 6 lets in standard HMO products. Licensed HMOs straightforward.
- Landbay — Up to 8 lets. Bricks-and-mortar valuation for standard residential conversions; investment valuation for purpose-built HMOs.
- Foundation Home Loans — Up to 6 lets. Will lend on day-one SPVs.
- Kent Reliance — Up to 10 lets, will lend on Article 4 areas. Bridge-to-let products for refurb-to-HMO strategies.
- Precise Mortgages — Up to 6 lets. Day-one SPV. Slightly higher rates.
- BM Solutions — Up to 5 lets, simpler residential-method valuation.
High-street lenders almost never accept SPV HMO applications. Even for SPV HMO veterans, the panel narrows further if you also need: 7+ lets, Article 4 area, ex-local-authority, high-rise, or above-shop.
SPV HMO rate ranges
Indicative SPV HMO rates, May 2026:
| Product | Typical rate range | Premium vs standard SPV BTL |
|---|---|---|
| 5-6 lets unlicensed — 75% LTV — 5yr fix | 5.49-6.39% | +0.30-0.50% |
| 5-6 lets licensed — 75% LTV — 5yr fix | 5.39-6.29% | +0.20-0.40% |
| 7+ lets licensed — 75% LTV — 5yr fix | 5.59-6.79% | +0.40-0.70% |
| HMO — 65% LTV — 5yr fix | 5.19-5.89% | +0.30-0.40% |
| HMO bridge-to-let (refurb) | 0.85-1.10%/month | n/a |
Licensed HMOs often beat unlicensed ones for rate because the licence proves the property and operator meet regulatory standards — easier underwrite for the lender.
Valuation: bricks-and-mortar vs investment method
HMO valuation is where the strategy gets interesting. There are two valuation methods:
Bricks-and-mortar (B&M)
Standard residential valuation — what the property would sell for as a single-family home. Used for most converted houses up to 5-6 lets. Often the same as what you paid, so leverage is straightforward.
Investment method
Capitalises the rental income at a yield. Common for purpose-built HMOs and large HMOs (7+ lets). Formula: Annual rent ÷ Yield = Value. If a 7-bed HMO grosses £50k/year at an 8% yield, investment value is £625k — which can be materially above bricks-and-mortar.
The investment method is the secret behind successful "refurbish-and-revalue" HMO strategies. Buy a tired 3-bed house for £200k, convert to a 6-bed HMO grossing £36k/year, get an investment valuation at 9% yield = £400k. Refinance at 75% LTV = £300k mortgage — recovering your refurb costs and possibly some equity, on an asset valued for what it actually produces.
Not every lender uses investment method. Paragon and Landbay do for purpose-built HMOs; Kent Reliance does for large HMOs. Aldermore and Foundation typically stay with B&M. Strategy depends on the lender you're applying to.
Mandatory licensing + Article 4 areas
Mandatory licensing (5+ tenants)
Any HMO with 5+ tenants (from 2+ unrelated households) must have a mandatory HMO licence from the local authority. Application fees vary by council — typically £500-£1,500 for 5 years. Inspections check: minimum room sizes, fire safety, gas/electrical certificates, refuse arrangements, manager fit-and-proper status.
Additional Licensing (3-4 tenants in some boroughs)
Many London boroughs (e.g. Newham, Hackney, Croydon) and cities (Manchester, Birmingham, Leeds, Bristol, Liverpool) operate "Additional Licensing" schemes covering smaller HMOs — typically 3+ tenants. Always check the local authority's HMO licensing scheme before purchase.
Article 4 Directions
Article 4 of the Town and Country Planning (General Permitted Development) Order removes the standard permitted-development right to convert a C3 (single dwelling) to a C4 (small HMO, 3-6 tenants). In Article 4 areas, you need full planning permission to convert. Refusals are common. Check planning data before purchase; many landlords accidentally buy a C3 in an Article 4 area assuming conversion is straightforward.
Common SPV HMO pitfalls
- Article 4 surprise. Buying a C3 in an Article 4 area assuming you'll convert to HMO, then finding planning refused. Always check Article 4 status before committing.
- Wrong SIC code for HMO. Some lenders require a specific "HMO operator" SIC code (68100 or 70100). Filing 68209 then trying to get a 10-let HMO mortgage can cause friction.
- Day-one SPV with 7+ let target. Most lenders need to see 12+ months of HMO operator history before they'll fund 7+ let HMO mortgages. Bridge the first one personally or via a smaller SPV HMO before moving up.
- Cash flow underestimation. Licensing, gas/electrical certs, void rooms, higher tenant churn — net yield is usually 60-75% of the gross headline figure. Stress-test cash flow at 60% of gross.
- Wrong valuation method assumption. Assuming investment valuation will be applied when the lender's standard method is bricks-and-mortar. Confirm valuation method with the broker before exchange.