HMO Licensing in Cambridge

Cambridge is a high-price, high-rent HMO city, but unlike Oxford and Brighton it currently runs only mandatory HMO licensing, no additional or selective schemes, layered on top of tight planning and a severe land-supply constraint.

Licensing position (Cambridge, 2026)

Mandatory HMO licensing only.

You need an HMO licence if:

• 5 or more people live in the property,
• They form 2 or more households,
• They share facilities.

Cambridge does not currently operate an additional licensing scheme for 3-4-sharer HMOs, and there is no selective licensing scheme in force.

The council's own guidance and local landlord content that mention 3+-person "additional licensing" are forward-looking: as of April 2026 there is no adopted additional scheme for small HMOs, though it is clearly on the radar in policy consultations.

So a 4-bed sharer in Romsey is still an HMO in law, but it does not need a licence unless and until Cambridge designates an additional scheme.

Fees (1 April 2026 - 31 March 2027)

From the council's fee schedule:

• Mandatory HMO licence fee: GBP 1,133.
• If you apply at least 8 weeks before the current licence expires, this is reduced to GBP 1,000.

Split into:

• Fee on application: GBP 736.
• Fee on grant: GBP 397.

Licences are normally for 5 years if you have a decent track record; the council can shorten the term or add conditions if they are worried about management.

Room size and standards

Cambridge applies the national minimum bedroom sizes and then layers on its own "Private Rented Sector Housing Standard":

Minimum bedroom sizes:

• 1 person over 10: 6.51 sq m.
• 2 people over 10: 10.22 sq m.
• Child under 10: 4.64 sq m.

The PRS standard then adds:

• Requirements for kitchen size, appliance ratios and worktop length by occupancy.
• Bathroom/WC ratios.
• Fire safety, means of escape and management conditions.

For HMOs with 7+ tenants, Cambridge explicitly requires planning and building control permission, and the housing team sends a list of licensed HMOs to planning enforcement weekly so they can cross-check planning status.

Article 4 and planning

Cambridge does not have a city-wide Article 4 for HMOs like Oxford or Brighton.

Instead, planning control is being tightened via the Greater Cambridge Local Plan and a dedicated draft HMO policy (Policy H/MO), which:

• Aims to limit HMO concentrations and protect amenity.
• Will work alongside general development management policies rather than blanket Article 4.

Key points you can actually use:

• Any HMO with 7 or more tenants needs planning permission for change of use and building control sign-off.
• For smaller HMOs, you still need to check planning history and emerging HMO policy: the council makes clear that licensing and planning are cross-checked, and unauthorised intensification is on their radar.

So Cambridge is stricter than a "normal" mandatory-only city, even without a formal HMO Article 4, because housing and planning teams are joined-up and HMO policy is being written directly into the new Local Plan.

Market: students, professionals and rents

Demand drivers

University of Cambridge and Anglia Ruskin University sustain a big student population.

The biotech / pharma / research cluster around the Biomedical Campus, science parks and central labs drives strong demand from young professionals earning decent salaries but unable to buy, so they share.

That means HMO demand is as much post-grads and early-career researchers as undergrads.

Key HMO areas

Romsey and Mill Road corridor (CB1/CB1-adjacent): Classic shared-house area, lots of terraces, very popular with both students and young professionals.

Chesterton / East Chesterton: Near the river and Cambridge North; popular with professionals and some students.

Cherry Hinton / Coleridge Road / Hills Road fringes: Mix of family homes and HMOs, including staff and post-grad sharers.

Arbury / King's Hedges: More mixed incomes; some high-yield HMOs here, including the unlicensed HMO involved in a 2025 prosecution.

Typical room rents

Current data is clear: rents are Oxford-level or worse.

A specialist Cambridge lettings/serviced accommodation provider gives 2025 figures:

• Average student room in a Cambridge HMO: GBP 750-900/month, usually bills-included, depending on distance to campus and spec.

That aligns with actual listings in Mill Road / Romsey and equivalent areas.

So for your yield models:

• Student / sharer HMOs in Romsey, Mill Road, central Chesterton: assume GBP 750-900/month per room, bills-included baseline.
• Cheaper HMOs in Arbury/King's Hedges may sit GBP 600-750/room/month, but capital values are also lower.

Green Belt constraint and yields

The Greater Cambridge Housing Trajectory and Land Supply report for 2026 confirms Cambridge and South Cambs together have just over 5.6 years of housing land supply and lists dozens of schemes squeezed into limited urban and fringe sites.

The wider Cambridge Green Belt tightly constrains outward expansion; the Local Plan constantly references this when explaining why intensification and HMO control policies are needed.

In numbers:

• Example student-sector analysis shows HMOs at GBP 750-900/room/month but purchase prices in Romsey/Mill Road/central Chesterton are often GBP 600k-800k+ for suitable stock.
• That leaves you with gross yields in the 5-7% range at best once you factor in voids and licence costs, with capital appreciation and low void risk being the main play.

Enforcement approach

Cambridge is not as loud as Nottingham, but it is not casual either.

The HMO page states that the planning enforcement team receives a list of licensed HMOs every week, so they can cross-check HMO licensing and planning status.

In September 2025, the council successfully prosecuted a landlord of a hazardous, unlicensed HMO in King's Hedges, securing GBP 15,081.69 in fines and costs for:

• Operating without a licence.
• Failing to comply with Improvement Notices.
• Breaching HMO Management Regulations.

They also refer landlords regularly to:

• Temporary Exemption Notices (three-month window to de-HMO or license properly).
• Civil penalties up to GBP 30,000 for non-compliance, in line with national powers.

So you should treat licensing as actively enforced, especially where safety or planning issues crop up.

What forums get wrong about Cambridge HMOs

Myth 1: "Cambridge has city-wide additional licensing like Oxford, every 3-bed sharer needs a licence."

Reality: As of April 2026, Cambridge only runs mandatory HMO licensing (5+ sharers). There is no adopted additional or selective scheme yet, though draft policy clearly points that way in future.

Myth 2: "If I have a licence, planning will take care of itself."

Reality: Licensing and planning are separate; Cambridge explicitly cross-checks every licence against planning status and expects 7+-bed HMOs to have planning and building control approval.

Myth 3: "Cambridge HMOs are just student houses; the market dies outside term-time."

Reality: Biotech, pharma, and research jobs mean strong, year-round demand from early-career professionals paying GBP 750-900/room/month for high-spec HMOs in Mill Road, Romsey and central areas.

Myth 4: "Because there is no additional/selective licensing yet, Cambridge is easier than Oxford or Brighton."

Reality: You still face:

• GBP 1,133 mandatory licence fees every 5 years.
• Tight HMO standards and planning scrutiny, with HMO policy being written straight into the new Local Plan.
• High purchase prices and modest net yields once you factor in capex and compliance. The risk is assuming "regulation-light" and overpaying.

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