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Mortgage Solutions4 June 2026Medium risk

Construction Activity Declines Sharply: What London Landlords Need to Know Now

UK construction activity has fallen at its fastest rate since May 2020, with residential projects slowing amid economic uncertainty, rising borrowing costs, and supply chain challenges. This affects housing supply and has practical implications for London landlords developing or planning refurbishments. This article highlights key risks and opportunities and offers clear, actionable steps to manage your portfolio effectively in this changing environment.

UK construction slowdownLondon landlordsresidential development delaysborrowing costssupply chain challengeshousing supply impact
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Understanding the Current Construction Slowdown

Recent data from S&P Global shows UK construction activity contracting at its fastest pace since May 2020, especially in residential building. Key factors include fewer new orders, postponed projects, supply chain delays, rising borrowing costs, and inflationary pressures on materials and energy.

For London landlords—whether owning single units, HMOs, or larger portfolios—this slowdown impacts housing supply, property values, and the timing of new developments or refurbishments.

Why This Matters to Landlords

1. Delays and Increased Costs: Expect potential delays and higher expenses in current or planned development and refurbishment projects due to supply chain issues and material price inflation.

2. Housing Supply and Demand: The slowdown threatens government housing targets, tightening supply in the medium term. This could increase competition for quality rentals and potentially support rental prices.

3. Financing Challenges: Rising interest rates and tighter lending conditions are increasing the cost and difficulty of securing development finance. Landlords relying on borrowing should urgently review financing arrangements.

Practical Steps for Landlords

  • Review Project Pipeline: Audit all current and upcoming projects, identify risks of delay or cost overruns, and adjust timelines and budgets accordingly.

  • Communicate Proactively: Keep tenants and prospective buyers informed about potential schedule changes to manage expectations. For HMO landlords, ensure safety and compliance remain priorities despite delays.

  • Monitor Planning Policy Changes: Stay updated on National Planning Policy Framework (NPPF) reforms and local planning authority developments that may affect project approvals.

  • Engage with Lenders Early: Discuss financing needs and challenges with lenders to understand changing conditions; explore alternative funding sources if needed.

  • Benchmark Local Costs: Connect with local contractors and suppliers for accurate cost forecasts, considering ongoing energy price volatility affecting maintenance budgets.

Tailoring Advice for Landlord Types

  • Single-Unit Landlords: Carefully assess cost increases; consider delaying non-essential work until supply chains stabilize.

  • HMO Operators: Prioritize safety and compliance-related refurbishments to avoid regulatory issues.

  • Portfolio Investors: Review multiple project exposures and diversify risk where possible.

  • Accidental Landlords: If considering selling, factor in market conditions influenced by construction slowdowns impacting supply.

Next Steps: Action Plan

  1. Schedule a portfolio review focusing on construction exposure and timelines.
  2. Meet contractors and suppliers to update project forecasts.
  3. Contact lenders to discuss financing and renegotiations.
  4. Monitor planning updates weekly.
  5. Prepare tenant communication templates addressing possible delays.

How Rentals & Sales Can Support You

We offer tailored portfolio reviews assessing exposure to construction delays and cost inflation, compliance audits for refurbishment risk management, and pricing strategy consultations to optimise rental income amid tightening supply. Contact us to secure your investment strategy against these challenges.


Compliance Disclaimer: This article provides general information and does not constitute legal or financial advice. Always consult qualified professionals for advice tailored to your circumstances.

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