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How Much Does an HMO Conversion Cost? Real Numbers From a Staffordshire Developer

We only build high-end HMOs, back to brick with all-new MEP. Here is what that actually costs per room, and why cheaper tart-up refurbs cost investors more in the long run.

Robert Stone

The short answer: £18,000 to £25,000 per room

We only develop high-end, luxury HMOs, and a proper conversion costs us £18,000 to £25,000 per room. That figure is genuinely all-in. It covers the communal spaces, the exterior, new windows and a full new MEP (mechanical, electrical and plumbing) fit-out, delivered as a finished product. It is not a stripped-back room rate with a list of extras waiting to catch you out.

Why we take every HMO back to brick

We take our HMOs back to brick and rebuild the services from scratch. We do not do shared bathrooms and we do not do cosmetic tart-up refurbs. That is a deliberate commercial decision, and there are two hard reasons for it.

First, the novelty wears off. A tarted-up HMO can command a half-decent rent at first, but the moment it needs redecorating the shine is gone, and so is your premium. A properly built HMO holds its rent because the quality is in the fabric of the building, not the paint.

Second, the valuation. Banks will not give you an uplifted valuation unless the property has genuinely been transformed. A cosmetic refurb does not move the needle. A full back-to-brick conversion is what appeals to investment buyers and what gives you the refinance uplift that actually releases your capital to go again.

What £18,000 to £25,000 per room actually buys

For that figure, per room, you get a finished, investment-grade product:

A full new MEP fit-out: electrics, plumbing and heating
New windows, with better thermal and acoustic performance
En-suite provision, so no shared bathrooms
Fully finished communal spaces, including kitchen and living areas
Exterior works, so the whole property is finished, not just the rooms
Fire safety and compliance built in from the start, not retro-fitted later

This is not the cheapest route, and that is the point

If you want a quick, cheap conversion, we are honestly not your developer. We build HMOs that let well for years, pass inspection without drama, and refinance at a real uplift. That is what protects your yield and your capital over the long run. A fresh coat of paint over old wiring does not.

Want real numbers on a specific property?

These are our figures, but every property is different: layout, condition, licensing and Article 4 all change the maths. Read about our Source, Design, Build, Let service and our HMO investment support, or get in touch for a straight appraisal on your deal.