Brighton Council has licensed more than 1,500 new shared houses in multiple occupation (HMOs) in the past two years.
Now, the council has just over 34,000 rented homes – up 45% in recent years, according to official figures.
The council says HMOs have proliferated in the city because of a shortfall in affordable housing and a growing student population.
The council has had more than 2,800 applications for shared house licences since 2012
Housing committee chairman Councillor Bill Randall said: “We’ve had a terrific response to the licensing scheme, which is producing safer and better homes for residents in shared housing as well as peace of mind for landlords.
“Research has shown a concentration of smaller houses converting from family homes to HMOs in some neighbourhoods.
“Our licensing regulations have provided protection for tenants in the traditionally larger HMOs for many years and we have built up a good working relationship with landlords. It was only right that we should extend these benefits more widely to others renting privately in smaller HMOs.”
Small HMOs house three to five tenants sharing kitchens and bathrooms. These properties need a licence and planning permission under Brighton’s additional licensing scheme.
Large HMOs, for six or more tenants sharing, require a mandatory licence.
A campaign by residents urging a developer and Swindon Council to turn down plans to convert a disused dentist surgery into a shared house has ended in victory for the people living in the neighbourhood.
The council received 28 objections to the proposal.
After reviewing the plans and listening to the objections against the plan, the proposals from Platinum Property Partners were rejected.
A private club in Henley, Oxfordshire, is under investigation after housing staff in two houses without HMO licences.
Phyllis Court Club owns two six-bedroom properties shared by staff.
South Oxfordshire Council is reviewing licence applications and is trying to establish how long the club has let staff live in the properties.