April 30, 2026
General
Amanda Perrotton

You may see references to your solicitor being classed as a “tax adviser” under new HMRC rules coming into effect from May 2026. At first glance, this can sound reassuring — as though your solicitor will be providing detailed tax advice as part of your transaction. In reality, that is not what this label means, and it’s important to understand the distinction.
The term “tax adviser” in this context is simply a regulatory classification created by HMRC. It applies to anyone who is involved in submitting tax-related information to HMRC — such as Stamp Duty Land Tax (SDLT) returns during a property purchase. It does not mean your solicitor is a specialist tax adviser, it does not mean they are qualified or insured to provide complex tax advice, and it does not change the legal service you are receiving. In short, the label reflects interaction with HMRC, not the provision of tax planning or advisory services.
The wording can understandably create confusion. Most people would reasonably assume that a “tax adviser” provides tailored tax planning advice, analyses complex tax scenarios, and recommends tax-efficient structures. However, your solicitor’s role in relation to SDLT is typically limited to gathering information from you, calculating SDLT in straightforward cases, and submitting the required return to HMRC. They are not acting as a tax planner or strategist, and regulatory rules often prevent them from doing so.
Solicitors are subject to strict regulatory and insurance frameworks. As a result, they cannot provide specialist tax advice unless specifically qualified and insured to do so, their professional indemnity insurance may not cover complex tax advisory work, and providing such advice without appropriate authorisation could expose both you and them to risk. For that reason, where a transaction involves complexity, your solicitor will usually recommend that you seek advice from a qualified tax specialist.
The good news is that the vast majority of property purchases are straightforward from an SDLT perspective. In these cases, your solicitor can confidently handle the SDLT return as part of their normal service. Only a small minority of transactions involve complexities such as multiple properties or unusual ownership structures, mixed-use properties, or complex lease arrangements.
If your situation is more complex, you may be advised to seek independent tax advice. This ensures you receive fully tailored, regulated tax guidance, any risks are properly assessed, and your position is structured appropriately. Your solicitor will still handle the legal aspects of the transaction but will not step into the role of a specialist tax adviser.
Even with the new HMRC rules, most solicitors will continue to prepare and submit SDLT returns directly. This helps ensure a smoother transaction and avoids unnecessary delays or additional costs. Outsourcing this as a matter of routine is generally not necessary for standard transactions.
The term “tax adviser” is an HMRC administrative label, not a reflection of the service you are receiving. Your solicitor is not acting as a specialist tax adviser. For straightforward transactions, they will handle SDLT as usual. For complex matters, separate tax advice may be required.
Think of it this way: your solicitor is being called a “tax adviser” because they file a tax form — not because they provide tax planning advice.
If you’re ever unsure whether your situation requires specialist input, it’s always worth raising this early so the right advice can be arranged at the appropriate stage.

