Of all the ways an accidental compliance gap can develop, HMO licensing is one of the most common — not usually because a landlord deliberately avoids licensing, but because a property’s use can change gradually, without any single obvious moment where the landlord clearly crossed into needing a licence.
The basic definition. A property is generally considered a House in Multiple Occupation if it’s let to three or more tenants forming two or more separate households, who share facilities such as a kitchen or bathroom. “Household” here means people who wouldn’t otherwise be considered a single family unit — so a group of friends sharing a house, or a mixed group of unrelated tenants, would typically constitute an HMO even if they get on well and function like a household day to day.
Mandatory licensing. Nationally, any HMO occupied by five or more people, forming two or more households, requires a mandatory HMO licence regardless of location.
Additional and selective licensing. Beyond the mandatory national threshold, individual local authorities — including Guildford Borough Council — have the power to introduce their own additional or selective licensing schemes covering smaller HMOs, or even single-let properties in defined areas, where the council has identified specific local issues that licensing is intended to address. Whether a specific property falls under such a scheme depends entirely on the current local rules, which can and do change, so this isn’t something to assume based on general national rules alone.
The consequences of getting this wrong are serious. Letting a property that requires a licence without holding one is a criminal offence. Penalties can include unlimited fines, and — significantly — a rent repayment order requiring the landlord to repay up to twelve months of rent already received from the tenants, which can represent a very substantial sum entirely independent of any other penalty.
Licence conditions once obtained. A granted HMO licence typically lasts five years and comes with specific conditions covering minimum room sizes, fire safety provisions, waste management arrangements, and general management standards for the property.
Why this catches out more accidental landlords than almost any other single regulation. A property’s use can shift gradually — a landlord who originally let to a single family finds themselves, a few tenancies later, letting to a group of sharers without ever making a deliberate decision to change the property’s use. The licensing threshold gets crossed not through any single decision, but through the accumulation of ordinary letting decisions made without HMO status specifically in mind.
What to do if there’s any doubt. Check directly with Guildford Borough Council’s licensing team rather than assuming a property is exempt based on general knowledge of the national rules. Local schemes are specific, they change, and the only reliable way to know a property’s current status is to check with the relevant local authority directly.
General information, not legal advice. Property Lounge, Guildford.
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