The term "rent controls" encompasses various global arrangements, often seen as a tenant's ideal scenario, but economists and landlord groups frequently caution about unintended outcomes. In Scotland, a new system will permit councils to seek government approval for imposing rent controls on private properties in certain areas, anticipated by spring 2027. These controls will cap rent increases at the consumer prices index (CPI) rate of inflation plus 1%, with a maximum ceiling of 6%. This initiative, stemming from the Housing (Scotland) Act passed in September 2025, aims to stabilize rents in regions experiencing steep market rent hikes and prevent evictions for rent increases by limiting caps both during and between tenancies.

Critically, some homes will be exempt from these controls, including mid-market rents and purpose-built rental properties like student flats, to ensure a robust supply of housing. However, critics argue this creates a two-tiered system. Shadow Housing Secretary James Cleverly voiced concerns that landlords are already exiting the market, and rent controls could further exacerbate this trend. Despite these debates, Dr. David Madden from the London School of Economics suggests that the traditional economic view on rent controls is evolving, noting they can be effective when integrated into a broader strategy that includes public housing and the development of affordable homes.

Elsewhere in the UK, London Mayor Sadiq Khan has persistently advocated for rent caps, especially given the city's average monthly rent of £2,268 in December 2025, the highest in the UK. The general consensus highlights the complexity of rent control policies, with mixed evidence regarding their effectiveness. Advocates suggest that well-designed rent regulation could rebalance the UK's housing market, making renting more affordable and secure, though not without potential drawbacks for landlords facing volatile mortgage rates and high living costs.