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Duncan & Toplis

The critical role of auditing in commercial property transactions

| | Alistair Main | 9 December 2025

The UK commercial property sector is undergoing a significant transition.

According to figures from CBRE, UK commercial real estate investment reached £8.9 billion in Q1 2025, bringing the 12‑month total to £52.4 billion, with notably increased demand for prime assets such as high-quality office space, warehousing, and life sciences facilities.

While core assets continue to demonstrate resilience in regional hubs, the broader market is experiencing shifting valuations and rising investor caution. Against this backdrop, robust auditing plays a more critical role than ever.

Why valuations are invaluable

Commercial property deals involve a wide range of stakeholders, from institutional investors to pension funds and asset managers - all of which require absolute confidence in the numbers. This is where valuations come in.

Audits are not just an exercise in compliance; they offer independent validation that property valuations are fair, accurate and aligned with industry standards such as the RICS Red Book and UK Financial Reporting Standards.
Even slight discrepancies in valuation can negatively impact negotiations or financing terms. Audited financials provide essential credibility, ensuring asset values are neither overstated nor underestimated and that key assumptions are totally transparent.

What is the role of compliance and risk mitigation?

Commercial property transactions carry a heavy compliance burden. Tax liabilities, lease obligations, funding structures and accounting disclosures must all be managed in strict alignment with UK regulatory standards.

Auditors ensure that reporting is accurate and risks are properly identified and disclosed. This helps to protect stakeholders from penalties, disputes and post-deal surprises, particularly when deals involve multiple entities or jurisdictions.

Identifying risks and enabling efficiency

An often-overlooked role of audit is improving process efficiency. With vast volumes of financial data and documentation involved, errors or omissions can delay deals and increase costs.

Auditors help identify risks early. By bringing financial inconsistencies to the forefront, highlighting unfunded obligations or off-balance-sheet issues, they enable stakeholders to make confident, timely decisions. This speed is a clear and inalienable competitive advantage.

Audited accounts also provide confidence to lenders and investors, often forming a prerequisite for funding.

Common pitfalls in commercial audits

To maximise value, avoid these common issues:

  • Incomplete financial records
    Poor documentation can obscure a property’s true financial position, delaying transactions or causing write-downs.
  • Valuation disputes
    Differing methodologies and assumptions can lead to friction. Independent audits ensure valuation practices follow RICS guidelines.
  • AI anomalies
    As audit tools become more data-driven, improper validation can lead to errors. Human oversight remains more essential than ever, in addition to the wealth of AI tools available to improve efficiency.

Looking ahead: Auditing for a more resilient market

The commercial property sector is evolving fast - and audits must keep pace, combining commercial insight with rigorous assurance standards. ESG factors are now also a critical part of reporting, and investors increasingly demand transparency on sustainability-related risks. At the same time, technologies like AI, blockchain and predictive analytics are improving audit accuracy and speed.

For any organisation navigating large-scale property transactions, a robust audit is more than compliance - it’s a compelling strategic advantage.

Planning a commercial property deal? Talk to the Duncan & Toplis assurance team today to ensure your next transaction is backed by clear, compliant, and credible financial reporting.

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