In our recent article on Europe’s AML Overhaul, we looked at what AMLR 27 signals for UK-regulated businesses and why treating international regulatory reform as background noise is a mistake. For estate agents, that signal has a very specific application: cash purchase transactions.

Property has long been identified by the National Crime Agency and international bodies, including the Financial Action Task Force, as one of the highest-risk sectors for money laundering.

The reasons are not difficult to understand. Property transactions involve large sums of money, limited transparency in private sales, and a range of intermediaries whose involvement can obscure the origin of funds. A cash buyer removes the mortgage lender from the picture entirely. That removal is significant from a compliance standpoint because it also removes one of the checks that would otherwise sit between a buyer and a completed transaction.

For estate agents registered with HMRC under the Money Laundering Regulations, cash purchase transactions are not a grey area. They carry specific, well-established obligations. And yet they remain one of the areas where due diligence is most frequently inadequate, most often misunderstood, and most likely to attract regulatory scrutiny.

With global AML standards tightening and the FCA’s anticipated assumption of overarching supervisory responsibility for UK regulated businesses, now is the time to ensure your approach to cash buyers is structured, documented, and defensible.

Why Cash Transactions Carry Elevated Risk for The Property Market

A buyer paying for a property in cash, whether from savings, the sale of assets, an inheritance, or funds held overseas, presents a specific set of compliance challenges that a mortgage buyer does not.

When a buyer takes out a mortgage, the lender conducts their own checks. Funds are sourced from a regulated institution. There is a paper trail and a degree of built-in oversight. None of that applies when a buyer is paying without a mortgage.

For a criminal seeking to introduce illicit funds into the legitimate economy, property offers clear advantages: high transaction values allow large sums to be moved in a single transaction, property retains value, and title changes hands through a process that, if not properly monitored, creates the appearance of legitimacy.

The National Crime Agency’s annual Strategic Assessment of Serious and Organised Crime has consistently identified property as a vehicle for laundering the proceeds of crime in the UK. HMRC’s own supervisory activity reflects this, with estate agents remaining a regular focus of inspection and enforcement. Being found to have conducted inadequate due diligence on a cash buyer is not treated as an administrative oversight. It is treated as a failure of your regulatory obligations.

What Your AML Obligations Actually Require

Estate agents regulated under the Money Laundering, Terrorist Financing and Transfer of Funds (Information on the Payer) Regulations 2017 are required to apply Customer Due Diligence (CDD) to both buyers and sellers when they are acting in relation to the sale or purchase of land or property.

For a cash buyer, that obligation has several distinct components that are frequently handled inconsistently or incompletely.

• Identity verification is the starting point. You must verify who the buyer is, and that means checking identity documents against a reliable, independent source. Accepting a passport and a utility bill is not, on its own, sufficient if the risk profile of the transaction warrants more. The standard of verification must be proportionate to risk, and a cash transaction typically elevates that risk.
• Source of funds is where many agencies fall short. You need to understand where the money being used to complete the purchase is coming from. Not in broad terms, specifically. A buyer telling you they have savings, or that they sold a property, or that they received an inheritance, is a starting point for an enquiry, not the end of one. You need documentation that supports that explanation: bank statements, sale completion statements, grant of probate, or other evidence appropriate to the circumstances. The documentation you obtain should be proportionate to the amount involved and the risk the transaction presents.
• Source of wealth is a related but separate consideration. Whereas source of funds addresses where the money for this specific transaction has come from, source of wealth addresses how the buyer accumulated their assets more broadly. In higher-risk transactions, large cash purchases, buyers with a connection to high-risk jurisdictions, or buyers whose stated occupation does not obviously correspond to the funds available, source of wealth becomes an important part of the picture.
• Beneficial ownership is relevant wherever the buyer is not acting in their own name. If a property is being purchased through a company, a trust, or by an agent or representative, you must identify and verify the ultimate beneficial owner, the individual or individuals who ultimately own or control the entity making the purchase. This is not optional, and it is not satisfied by simply taking the name of the company at face value.
• Enhanced Due Diligence (EDD) applies where the risk is higher than standard. If a buyer is from a high-risk third country, is a Politically Exposed Person or a close associate of one, or if the transaction presents other indicators of elevated risk, standard CDD is not enough. Enhanced due diligence requires additional scrutiny, additional documentation, and, in most cases, senior management approval before the transaction proceeds.

The Practical Reality of Getting This Wrong

HMRC’s supervision of estate agents under the Money Laundering Regulations is active. Businesses have faced penalties for failures, including inadequate customer due diligence, absence of documented risk assessments, failure to identify beneficial owners, and lack of appropriate policies and procedures.

The consequences are not limited to financial penalties. HMRC can require remediation of systems and procedures. Persistent failures can result in prohibition from carrying out certain activities. And where a suspicious transaction is not reported when it should have been, the consequences extend to criminal liability under the Proceeds of Crime Act 2002. Read our previous blog, Estate Agents Under Fire: Over £2.9 Million in AML Fines and What It Means for Your Business, for related information.

Beyond formal enforcement, there is the reputational dimension. Being identified as a business that processed a property transaction used for money laundering, even without knowing it, can cause lasting damage to client relationships and professional standing.

Common Gaps in Cash Buyer Due Diligence

In practice, the areas where estate agencies most commonly fall short include the following:

• Treating CDD as a one-time box-tick at the start of a transaction. CDD is an ongoing obligation. If circumstances change during a transaction, if the buyer’s representatives change, if the source of funds shifts, or if new information comes to light, your due diligence must be updated accordingly.
• Accepting source of funds explanations without supporting documentation. A buyer explaining that funds come from the sale of an overseas property, a business transaction, or a family gift is providing context, not evidence. The explanation needs to be supported by documentation you have actually reviewed and retained.
• Failing to apply enhanced due diligence to higher-risk scenarios. Not every cash buyer presents the same level of risk. Your risk-based approach must be able to distinguish between a straightforward transaction in which a UK-based buyer purchases with the documented proceeds of a prior property sale, and a transaction in which a buyer purchases through a corporate structure with ties to a high-risk jurisdiction. Those two scenarios require different levels of scrutiny, and your procedures should reflect that.
• Poor record keeping. Even where due diligence has been conducted properly, a failure to retain adequate records, or to retain them for the required five-year period, leaves a business unable to demonstrate compliance if questioned. Documentation is not just good practice; it is a regulatory requirement.
• Absence of a firm-wide risk assessment that specifically addresses cash buyer transactions. Your firm-wide risk assessment should identify cash transactions as a category of elevated risk and set out how your business approaches them. If it does not, your policies and procedures are almost certainly not proportionate to the actual risk your business faces.

What a Properly Structured Approach Looks Like

A well-structured approach to cash buyer due diligence begins before the transaction progresses. It involves:

• Applying a risk assessment to the transaction at the outset, considering the buyer’s profile, the source of funds, the transaction value, any jurisdictional factors, and whether the buyer is acting through a third party or entity.
• Obtaining and verifying identity documents against a reliable, independent source, and recording both the documents obtained and the verification steps taken.
• Requesting and reviewing documented evidence of source of funds appropriate to the explanation given, retaining copies in the client file.
• Where the risk profile requires it, conduct source of wealth enquiries and obtain EDD in accordance with your policies.
• Identifying beneficial owners where the buyer is acting through a company or trust structure, verifying that information, and documenting your findings.
• Obtaining senior management sign-off where enhanced due diligence applies or where any aspect of the transaction is unusual.
• Keeping all records for a minimum of five years from the end of the business relationship or transaction.
• Ensuring that any aspects of the transaction that give rise to genuine suspicion are considered for reporting to the National Crime Agency via a Suspicious Activity Report.

How RACO Can Help

The compliance obligations around cash buyer transactions are clear, but applying them consistently across a busy agency, where transactions move quickly, and no two situations are identical, is a practical challenge that many businesses find difficult to manage without structured support.

RACO’s Due Diligence and Risk Assessment service is specifically designed to provide that support. We carry out the due diligence work, prepare documented risk assessments, and ensure that the records your business holds are proportionate, accurate, and defensible. Your team retains oversight; we remove the guesswork.

Alongside our due diligence service, we can support your agency with:

• Anti Money Laundering (AML) Compliance Service: This support service has been designed to provide AML regulated businesses with an effective solution for the management and control of compliance with the Anti Money Laundering Regulations. Our service is an annual subscription that provides Businesses with ongoing support from our compliance team and ensures your Business has in place appropriate and compliant Policies, Controls, and Procedures (PCP’s) that are maintained by us.
• Risk, Anti Money Laundering Guidance and Register Administration Service has been designed to provide Businesses and their Money Laundering Reporting Officer (MLRO) with a support function that ensures their regulatory and compliance obligations are fulfilled on an ongoing basis, and staff are provided access to ongoing advice as needed.
• Regulation 21 Independent Audit. Our service provides businesses with a completely independent audit and ensures the review is completed and reported on in accordance with the regulatory requirements.
• AML Training. Training staff on the Anti Money Laundering Regulations is a legal requirement. Your staff should understand (and be able to evidence understanding) how the AML rules and the processes the business has implemented to minimise the risk of money laundering.

Our compliance specialists provide practical, sector-specific guidance that enables regulated businesses to meet their obligations without hindering business operations. We work with businesses of all sizes and across all regulated sectors, tailoring our approach to each business’s working methods and risk profile.

Talk to our Compliance Experts 

RACO works with businesses to create the necessary documentation and put the processes in place to ensure the business and its staff are thoroughly protected.

To enquire about our services and how we can service your business, call us on 0203 985 8550 or email us at info@regulationandcomplianceoffice.co.uk

Read other related articles:

• Europe’s AML Overhaul – A Warning Sign for Regulated Businesses
• Recent AML Fines: Why Regulated Businesses Are Still Getting the Basics Wrong
• Anti-Money Laundering for Estate Agents: Best Practice and Key Obligations in 2026
• Commercial Property Lettings: Money Laundering Risks Letting Agents Must Know
• AML Registration Is Not Optional: What Recent HMRC Enforcement Means for Regulated Businesses