Glut of flats on sale worsens London property market challenges
Rightmove reports the highest number of flats for sale in London for 16 years, intensifying competition among sellers amid affordability pressures and rising mortgage rates.
The London housing market is facing significant strain as a surge in flats for sale has pushed availability to its highest level in over a decade and a half. This development, highlighted by Rightmove’s latest monthly price index, is compounding difficulties for sellers in the capital, where affordability remains a critical issue despite recent wage growth outpacing property price increases nationally.
Rightmove’s data shows that London’s average home price still stands at about 17 times the national average annual wage, making it the least affordable region in the UK. The capital’s prices are 38% higher than those in the South East, the next most expensive region. The combination of elevated property prices and higher mortgage rates is creating a challenging environment for buyers and sellers alike.
Rightmove’s findings on London’s unique market pressures
According to Rightmove, London’s property market no longer follows the national trends seen in other regions. While other parts of England have seen modest price rises or smaller declines, London has experienced the steepest annual price drop across Great Britain at 3.1%. This contrasts with the North West, where prices have increased by 1.9%, and Scotland, which has also seen price growth.
The portal attributes part of London’s market difficulties to the high proportion of flats, many of which are being sold by landlords exiting the rental sector. These properties, while essential for providing homeownership opportunities, often come with additional costs and complexities that can deter some buyers. This dynamic contributes to longer selling times and downward pressure on prices.
Rightmove also notes a significant monthly fall in average asking prices for newly listed homes across the UK, with a 2.0% drop in August alone. This decline exceeds the typical August price reduction seen over the past decade and is the largest since 2018. Reflecting these trends, Rightmove has downgraded its forecast for 2026, now predicting price stagnation or a potential 2% fall rather than the previously expected 2% rise.
Contextualising London’s market situation for landlords and agents
For landlords and letting agents operating in London, the current market conditions present both challenges and opportunities. The glut of flats on sale, often from landlords leaving the sector, signals a potential shift in the rental supply landscape. This could tighten rental stock availability in the short term, affecting tenant demand and rent levels.
Landlords considering exiting the market may face longer selling periods and potentially lower prices, especially for flats. This may prompt some to reassess their exit strategies or consider alternative approaches such as rent-to-rent or longer-term tenancies to maintain income while market conditions stabilise.
Letting agents should be aware of increased competition among sellers and the impact on tenant demand. Advising landlords on realistic pricing and marketing strategies will be essential. Additionally, agents may need to support landlords navigating the implications of higher mortgage rates and affordability constraints affecting prospective buyers and renters.
Practical implications and strategic considerations
Landlords with flats in London should review their portfolios carefully, considering the potential for longer void periods and the impact of market softness on rental income. Maintaining property standards and competitive rents will be critical to attract and retain tenants amid changing supply dynamics.
For those planning to sell, understanding the local market’s unique pressures is vital. Sellers may need to adjust expectations on price and timing, factoring in the current oversupply and affordability challenges. Early engagement with professional valuers and agents can help set realistic goals and optimise sale outcomes.
Letting agents should monitor regional price trends closely, as the divergence between London and northern regions may influence investor behaviour and client advice. The ongoing adjustment in price forecasts also underscores the need for flexibility and responsiveness in portfolio management strategies.
Uncertainties and what to watch next
While Rightmove’s data provides valuable insights, several uncertainties remain. The extent to which landlords will continue to exit the London rental market is unclear, as is the potential impact of government policies or economic shifts on mortgage affordability and buyer confidence.
Future changes in interest rates, inflation, and employment trends will also influence market dynamics. Landlords and agents should stay informed about regulatory developments, including any rental reform measures or safety and licensing requirements that could affect operating costs and compliance obligations.
Monitoring local market conditions and tenant demand will be essential to anticipate shifts and adapt strategies accordingly. Given the volatility, maintaining flexibility in tenancy terms and property management approaches may offer resilience against further market fluctuations.
What landlords should consider now
- Review portfolio exposure to flats in London and assess risks related to oversupply and longer selling times.
- Evaluate rental pricing strategies to remain competitive amid potential tightening of rental stock.
- Engage with letting agents to understand local market conditions and optimise tenant retention.
- Stay updated on mortgage rate trends and affordability impacts that may affect tenant demand and sale prospects.
- Prepare for possible regulatory changes affecting safety, licensing, and tenancy management.
Supporting landlords through market shifts with TLA resources
The Landlord Association (TLA) offers members access to compliance resources and portfolio management tools that can help landlords and letting agents respond effectively to the evolving London market. TLA’s new property management and compliance platform, ORBIT, currently in BETA testing, is designed to assist with organising property records, managing rental documents, and recording key actions such as repairs and inspections.
By using TLA’s resources, landlords can better monitor regulatory developments and maintain evidence of compliance, which is increasingly important in a complex market environment. ORBIT’s features, including its property management AI assistant, aim to support landlords in navigating tenancy management and safety obligations efficiently.
Exploring TLA membership provides access to practical information and member compliance support tailored to the challenges of the London rental sector. This can be particularly valuable for landlords managing flats where market conditions and regulatory demands are shifting rapidly.
Landlords and agents should consider reviewing their documentation and tenancy procedures now to prepare for any upcoming changes and to maintain robust management practices amid market uncertainty.
Looking ahead, the London property market’s trajectory will depend on economic factors and policy responses. Landlords who stay informed and adaptable will be better positioned to manage risks and capitalise on opportunities as conditions evolve.
Sources: Landlord Today


