BLOGS

Introduction: A tale of two markets

The UK property market has entered a period of stark divergence. Sale prices in major cities are drifting lower—London down 7.2% year-on-year, Birmingham and Manchester broadly flat—while rental demand has intensified to levels that continue to catch many observers by surprise. The culprit is well understood: mortgage rates that climbed sharply from 2022 and have refused to return to pre-pandemic norms, keeping would-be first-time buyers locked in the rental sector for longer than anyone anticipated.

REalyse data paints a vivid picture. Across five major UK cities analysed over the past twelve months, average asking rents range from approximately £1,100 per month in Leeds to well over £2,300 in London—with year-on-year increases frequently exceeding 15% to 25%. Meanwhile, sales transaction volumes have thinned and price growth has stalled. The question facing landlords, tenants, and policymakers alike is how long this bifurcation can persist.

Rental demand surges as buyers retreat

The mechanics are straightforward. When mortgage rates exceed 5%, the monthly cost of purchasing an average UK home rises substantially. A borrower taking out a £250,000 mortgage at 5.5% faces monthly repayments roughly £300 higher than at the 2% rates available in early 2022. For many households—particularly first-time buyers without substantial deposits—the arithmetic no longer works. Instead, they remain renters, adding to already fierce competition for available stock.

REalyse market data shows asking rents in Birmingham have climbed by roughly 24% to 30% year-on-year depending on property type, with similar patterns visible in Manchester (14% to 21%) and Glasgow (16% to as high as 47% for semi-detached homes). Even in Leeds, where rent growth has been more muted at 3% to 5%, listings are letting quickly—properties spend an average of just 39 to 45 days on the market before being snapped up.

This demand concentration is most acute for flats, which represent the bulk of rental stock in city centres and are typically the entry point for young professionals and key workers. In London alone, nearly 170,000 flat listings were recorded over the past year, yet average days on market remains a brisk 37 days—evidence that supply, while substantial in absolute terms, is being absorbed rapidly.

Landlord finances under pressure

Strong rent growth might appear to be good news for buy-to-let investors, but the reality is more nuanced. Gross rental yields across major cities currently range from around 5.1% (London flats) to approximately 7% (Leeds flats), with most property types clustering between 5.5% and 6.5%. These headline figures sound healthy—until landlords factor in their own financing costs.

A landlord remortgaging a buy-to-let property today faces rates typically between 5% and 6%. When mortgage interest alone consumes the vast majority of gross rental income, there is little margin left for void periods, maintenance, letting agent fees, insurance, and the regulatory compliance costs that have mounted in recent years. Section 24 restrictions, which limit mortgage interest relief for individual landlords, compound the squeeze further.

REalyse analysis suggests that landlords in higher-value markets such as London and Bristol—where yields are structurally lower—are most exposed. A London landlord achieving a 5.1% gross yield while paying 5.5% on their mortgage is effectively operating at a loss before any other costs are considered. By contrast, investors in northern cities such as Leeds and Glasgow, where yields approach 6.5% to 7%, retain a cushion—though not a comfortable one.

The result is a bifurcation among landlords themselves. Those with significant equity, fixed-rate deals locked in at lower rates, or properties owned outright are relatively insulated. However, highly leveraged portfolios acquired during the low-rate years face difficult decisions: sell into a sluggish sales market, raise rents further (where permitted), or accept negative cash flow in the hope that rates eventually decline.

Regional variations and the Scotland factor

Not all UK rental markets are moving in lockstep. Scotland's rent cap legislation, introduced in late 2022 and extended in various forms since, has added a layer of complexity that distinguishes Edinburgh and Glasgow from their English counterparts. Landlords in Scotland face restrictions on in-tenancy rent increases, which has prompted some to exit the sector—reducing supply and, paradoxically, intensifying competition for the remaining stock.

Glasgow's rental data illustrates this tension. While asking rents have risen sharply—particularly for family-sized homes—the number of available listings relative to population remains constrained. Edinburgh, with fewer than 2,200 sales transactions recorded over the past year and modest price growth of around 1%, shows a market where both buyers and sellers are adopting a wait-and-see posture.

England's proposed Renters' Rights Bill, expected to abolish Section 21 "no-fault" evictions and introduce a raft of new tenant protections, may have similar supply-side effects if it prompts further landlord exits. Build-to-rent developments offer some counterbalance—institutional capital is flowing into purpose-built rental schemes in Manchester, Birmingham, and outer London—but these units typically target mid-to-upper price points and do little to relieve pressure at the affordable end of the market.

Outlook: A prolonged stalemate

The consensus among most economists is that UK mortgage rates will not return to sub-3% levels in the foreseeable future. Inflation remains elevated, and the Bank of England has shown limited appetite for aggressive rate cuts. Even if base rates drift modestly lower over the coming 18 months, the transmission to retail mortgage pricing is typically slow and incomplete.

For the rental market, this implies continued demand pressure. Would-be buyers priced out of ownership will remain renters for years rather than months, keeping vacancy rates low and giving landlords—those who remain solvent—pricing power. Yet that same dynamic risks accelerating the affordability crisis, with median rent-to-income ratios already stretching in London and southern England.

Landlords, meanwhile, face a waiting game. Those with the financial resilience to hold through the current cycle may benefit when rates eventually ease and capital values recover. Others may conclude that the regulatory burden and financing costs have shifted the risk-reward calculus permanently against them—choosing to sell and reallocate capital elsewhere.

What is clear is that the UK rental market has entered a structurally tighter era. Whether this manifests as a gradual rebalancing or a sharper correction—driven by policy intervention, economic shock, or a sudden shift in rates—remains the central uncertainty facing investors, tenants, and analysts alike.

REalyse provides real-time property data, valuations, and market intelligence to investors, lenders, developers, and agents across the UK. For more analysis and data on rental market trends, visit realyse.com.