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The political pressure for rent intervention

Reports suggest the Treasury is exploring temporary rent controls for England as households continue to face affordability pressures. With inflation having eroded real incomes over recent years and mortgage costs remaining elevated, private renters are caught between rising costs and limited housing options.

The debate has intensified as Labour seeks to demonstrate action on housing affordability without destabilising the broader property market. Any rent control policy would mark a significant departure from decades of market-led rental pricing in England—though it would follow Scotland's introduction of temporary rent caps in 2022.

Where rents stand today

REalyse data reveals a rental market showing signs of stabilisation after years of rapid growth, though regional disparities remain stark. Average asking rents across the UK currently sit at approximately £1,329 per month, with London commanding £2,754—nearly three times the North East average of £919.

Year-on-year rent growth has moderated significantly. The South West has seen asking rents fall by 3.77%, while the South East is down 2.81%. In contrast, the North East leads with 4% growth, followed by Yorkshire and The Humber at 2.98%. This cooling in southern England suggests the market may be self-correcting in some areas, though rents remain at historically elevated levels.

Properties are letting quickly across the board—averaging just 40 days on market nationally. Scotland shows the tightest conditions at 31.8 days, indicating persistent demand that far outstrips available supply. This speed of letting reflects a fundamental supply shortage that rent controls alone cannot address.

The landlord perspective: yields and exit risk

For landlords and buy-to-let investors, rent controls present both immediate and long-term concerns. Gross yields currently average 6.14% nationally, ranging from 4.75% in London to 7.32% in the North East. These figures have already compressed from historic norms as property values have risen faster than rents.

Introducing caps on rent increases could accelerate yield compression, particularly in areas where costs are rising—whether through mortgage rates, regulatory compliance, or energy efficiency upgrades required under tightening EPC regulations. REalyse analysis of landlord activity suggests the private rented sector has already seen net exits over the past two years, with small portfolio landlords most likely to sell.

The concern from industry bodies is that temporary controls have a habit of becoming permanent, and that even short-term caps could trigger a wave of sales that further restricts supply. Scotland's experience since 2022 offers a cautionary example: rental listings have fallen sharply, with some estimates suggesting a 30% reduction in available properties in Edinburgh and Glasgow.

Scotland's rent cap: lessons for England

Scotland implemented emergency rent controls in September 2022, initially freezing rents for existing tenancies before moving to a 3% annual cap (plus inflation adjustment in some cases). The policy was intended as a temporary cost of living measure but has been extended multiple times.

REalyse data shows Scottish rental properties now let in just 31.8 days on average—the fastest in the UK—indicating extreme supply pressure. While existing tenants have benefited from controlled increases, new tenants often face higher starting rents as landlords price in future restrictions. The policy has also coincided with reduced institutional investment in Scottish build-to-rent schemes, with developers citing regulatory uncertainty.

Any English policy would need to grapple with similar trade-offs. Protecting current tenants from sharp increases could discourage new supply precisely when more rental homes are needed. The English market is substantially larger and more diverse than Scotland's, making uniform caps even more challenging to implement effectively.

What temporary controls might look like

Treasury officials are reportedly examining time-limited measures rather than permanent rent regulation. Options being considered may include:

• Annual increase caps linked to inflation or a fixed percentage (e.g., 5% maximum)

• In-tenancy controls only, allowing market rents for new lettings

• Regional variation to account for the gulf between London and other areas

• Exemptions for new-build properties to protect development pipelines

The Renters' Rights Bill, currently progressing through Parliament, already proposes limiting rent increases to once per year and strengthening tenant challenge mechanisms. Some argue these measures, combined with improved enforcement, could address the worst excesses without full price controls.

The supply equation

Perhaps the most significant concern is that rent controls address symptoms rather than causes. The UK's rental supply crisis stems from decades of undersupply, planning constraints, and—more recently—landlord exits driven by tax changes and regulatory burdens.

REalyse planning data shows residential development applications remain below pre-pandemic levels in many areas, while build-to-rent completions have slowed as financing costs have risen. Without addressing these supply-side constraints, rent controls risk creating a smaller, more expensive private rented sector where those outside existing tenancies face even higher costs.

The Government faces a difficult balancing act: providing visible relief to struggling renters while maintaining investor confidence in a sector that houses nearly one in five UK households.

Conclusion: managing expectations

Short-term rent controls may offer political appeal and genuine relief for some tenants facing unaffordable increases. However, international evidence and Scotland's recent experience suggest such measures often have unintended consequences—reduced supply, higher rents for new tenants, and accelerated landlord exit.

For landlords, investors, and developers, the key is understanding how any policy might vary by region and property type. REalyse market intelligence can help stakeholders monitor rent trends, yield movements, and supply dynamics as the policy debate evolves. Whatever measures emerge, the fundamental challenge remains: the UK needs significantly more rental housing, and policy must ultimately support rather than discourage its delivery.