Are you registered?

From last month, HMRC has reclassified SDLT returns as regulated tax advice.

If your firm submits SDLT returns on behalf of clients, you now need to be registered with HMRC as a tax adviser.

Not registered? You can't file.File anyway? £5,000 first breach. £10,000 repeat.

And that's before the PI insurance implications, CQS Standard 1.2, or the Law Society's quiet note that conveyancers "are not necessarily SDLT specialists."

Here's the part that should concern you most.

1 in 8 SDLT calculations generated by the HMRC calculator are wrong.

The calculator doesn't handle probate purchases, transfers of equity, shared ownership, mixed-use, derelict properties, trusts, or about 15 other scenarios your team sees every week.

That liability used to sit with the calculator.

From May 2026, it sits with your firm.

There is a straightforward solution.

We work with 4Stamp , a certified SDLT service that takes the calculation, the advice, and the liability off your firm entirely.

£1m of their own PI cover. Certified calculations. Strategic advice on reliefs.

A recent example: £110,250 saved on a single uninhabitable property purchase.

Full audit trail for CQS compliance. Your firm stays focused on conveyancing. 4Stamp handles SDLT. Your clients get specialist advice. Your PI insurer gets a better night's sleep.

If your firm is working out what to do about this, we should talk.

Book a 20-minute call with us and we'll walk you through exactly how it works.