HMO Development Finance

HMO development finance explained

HMO development finance is a short-term facility to buy land or a house and build or convert it into a house in multiple occupation. It is not a term HMO mortgage. The lender funds the project against cost and finished value, releases money in stages, and wants a written exit — usually a refinance to a term HMO or commercial HMO mortgage, or a sale. Compare it with HMO bridging finance and HMO refurbishment mortgages before you assume a development loan is the only tool.

Use it for a ground-up new-build HMO or a conversion that needs planning, building-regulations work and a licence at the end. Do not use it as cheap long-term debt. There is no unsourced “from 6.5%” or a single published “75% of costs” on this page. Ask for a dated illustration on the scheme you actually have. Sketch the numbers first with the HMO development finance calculator.

Ground-up vs conversion development

A ground-up scheme starts with land or a cleared plot and builds the HMO. Planning is usually a full application. Build cost, programme and a monitoring surveyor sit at the centre of the credit paper. The exit valuer will treat the finished house as a new HMO, not as the dwelling that used to stand there.

A conversion takes an existing house — often C3 — and creates an HMO. Light conversion can sit on a bridge or a refurbishment product. Heavy conversion (layout change, extra storeys, a new kitchen, fire-compartment works) is development finance. The planning test is different: in England a change from C3 to C4 (three to six occupiers) can be permitted development unless an Article 4 direction removes it; seven or more occupiers is sui generis and needs planning permission. That split comes from the Town and Country Planning (Use Classes) Order 1987 (SI 1987/764), as amended. Check the council, not a brochure bedroom count. See HMO planning permission and how to convert a house to an HMO.

A conversion that already has C4 consent and only needs fire doors is usually a refurbishment or a bridge, not a development facility. A ground-up six-bed in an Article 4 street is a development case even if the finished house looks like a large dwelling.

How it is structured: LTC, LTGDV, drawdowns, monitoring surveyor

Two ratios cap most facilities. Loan-to-cost (LTC) is the loan against purchase plus build and agreed professional fees. Loan-to-gross-development-value (LTGDV) is the loan against the lender’s view of the finished HMO. The binding figure is the lower of the two on that lender’s offer. This page does not publish a market-wide LTC or LTGDV percentage.

Money is drawn in stages. Day one often covers the land or purchase. Later drawdowns follow a schedule of works. A monitoring surveyor inspects before each release and can hold money back if the build is behind or the cost report has slipped. Interest is often rolled up or retained so you are not servicing a monthly direct debit during the build. Rolled interest increases the amount you must refinance. It is still interest.

The monitoring surveyor is the lender’s eyes, not your project manager. Budget for that fee and for the time it adds between an invoice and a drawdown. A facility that looks large on paper can starve the site if the next inspection is two weeks away and the contractor will not wait.

Costs and fees

Add every line, not a headline monthly rate. A dated illustration should show:

• Arrangement fee (often a percentage of the facility).
• Exit fee if the product has one.
• Rolled or retained interest for the months you will actually hold the loan.
• Valuation of the site and of the finished GDV.
• Monitoring-surveyor visits.
• Legal fees for the facility and, later, for the refinance.
• Broker fee if one applies.

There is no unsourced fee card on this page. A cheap-looking monthly rate with a large exit fee can cost more than a clearer facility you hold for fewer months. Model the refinance as well: the exit lender’s fees sit on top of the development costs.

Planning, licensing and building regs requirements

Most development lenders want a credible route to lawful HMO use before they release the last money — and many want planning in place before they complete. In England, confirm whether the finished occupancy is C4 or sui generis (SI 1987/764) and whether an Article 4 direction removes permitted development. Official planning guidance is on GOV.UK: when is permission required.

Building-regulations approval is a separate consent from planning. Fire, structure, drainage and sound all sit here. See GOV.UK: building regulations approval. A term HMO lender will not refinance a house that failed the completion certificate.

Licensing is the third gate. Mandatory licensing in England applies to prescribed HMOs under the Housing Act 2004. The Licensing of Houses in Multiple Occupation (Prescribed Description) (England) Order 2018 (SI 2018/221) is the current description. It does not bring section 257 converted blocks into mandatory licensing. Additional and selective schemes still apply where the council has designated them. The development facility can complete without a licence; the refinance usually cannot. Build the licence application into the programme, not the week after practical completion. See when you need an HMO licence.

Exit: sale or refinance to an HMO/commercial mortgage

Write the exit before you draw. The usual HMO exit is a term mortgage once the house is complete, certificated and licensable. The exit lender will revalue the finished house — bricks-and-mortar or income — and restress the rent. Read how HMOs are valued so you do not model GDV on a method the exit lender will not take.

A large or sui generis house may exit onto a commercial HMO mortgage rather than a specialist buy-to-let HMO product. That is a different panel and a different valuation conversation, not a different building. A sale exit is cleaner on paper and rarer in practice: you still need a buyer who can raise an HMO loan in the same window your facility expires.

Do not assume the development lender will extend. An expired facility with no term offer is how people take a second, more expensive bridge. Build three months of refinance legal time into the term, not only the build programme.

Criteria and experience

Development lenders look at the sponsor, the scheme and the exit — not a residential income multiple. Typical tests, each confirmed on that lender’s own page when you apply:

• A track record of similar builds or conversions, or a contractor and project manager who have that track record.
• Planning status that matches the occupancy you will refinance.
• A costed schedule of works and a contingency the monitoring surveyor accepts.
• Cash equity. This page does not treat 100% of cost or 100% of GDV as a published product.
• An exit lender or sale route that can repay the facility at the GDV you are using.

First-time developers are not automatically declined, but they are not treated as a published “first-time HMO” term-mortgage case either. Expect more equity, a tighter LTC and a stronger professional team. Do not take a closed term lender’s historic HMO rule and apply it to a development facility.

Get a development finance quote

Tell us ground-up or conversion, the planned occupancy, planning status and whether the exit is a term HMO mortgage or a sale. We will not send a seven-bed sui generis build to a C4-only desk. Your property may be repossessed if you do not keep up repayments on a mortgage or any other debt secured on it.