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10 March 2026

What Your Solicitor Didn't Tell You About Stamp Duty

Most residential conveyancing solicitors don't advise clients on chattels deductions. It's not negligence — it's a systemic gap. And it could be costing you money.

When you bought your home, your solicitor handled the SDLT return. They calculated the stamp duty, filed it with HMRC, and sent you the SDLT5 certificate. Job done. But here's what they almost certainly didn't do: ask you about the carpets.

Or the curtains. Or the fridge-freezer. Or the washing machine. Or the garden furniture. Or any of the other moveable items that were included in your purchase — items that, legally, should have been deducted from the price on which you paid stamp duty.

The key point

This isn't an accusation. It's an observation about how the conveyancing process works — and why it routinely leaves money on the table.

Why solicitors don't raise it

There are several legitimate reasons why your solicitor didn't advise on chattels deductions:

1
They're not tax specialists

Conveyancing solicitors are property lawyers, not tax advisers. Their job is to transfer legal title, conduct searches, and ensure the contract is properly executed. SDLT is a tax obligation that arises from the transaction, and while solicitors file the return as a courtesy, tax planning is not within their scope of work.

The Law Society's guidance makes clear that solicitors are not required to provide tax advice unless specifically instructed to do so. Most conveyancing firms include a clause in their terms of engagement stating that they do not advise on the tax implications of the purchase.

2
They're under time pressure

Residential conveyancing operates on tight margins and high volumes. The average conveyancing fee for a straightforward purchase is £1,000-£1,500. For that fee, the solicitor is conducting title checks, reviewing contracts, raising enquiries, managing the exchange and completion process, and filing multiple post-completion documents including the SDLT return and Land Registry application.

Adding a detailed chattels apportionment to this workload — contacting the client about each category of chattel, researching second-hand values, documenting the apportionment — isn't commercially viable at those fee levels. The process that would save the client £500 in SDLT might cost the solicitor an hour of unbillable time.

3
HMRC's own forms don't prompt for it

When filing an SDLT return, HMRC's form asks for the "chargeable consideration" — the total amount paid for the property. There is no specific prompt asking whether chattels were included, no box for chattel values, and no guidance within the form explaining the deduction opportunity.

The online SDLT calculator on GOV.UK is even simpler — you enter the purchase price and buyer type, and it calculates the tax. No mention of chattels whatsoever. The system is designed in a way that actively discourages the correct apportionment.

4
There's professional risk in getting it wrong

If a solicitor advises a client to deduct chattel values and HMRC later challenges the valuation, the client may hold the solicitor responsible. This creates a professional indemnity risk that most solicitors would rather avoid, especially for a deduction that might save the client a few hundred pounds.

The safer approach — for the solicitor, if not the client — is to declare the full purchase price without apportionment. There's no risk of under-declaring, no compliance check, and no unhappy client calling back six months later.

What should have happened

In an ideal world, the conveyancing process would include a step where the solicitor reviews the TA10 Fittings and Contents Form (which lists exactly what chattels are included in the sale), prepares a schedule of chattel values, and files an SDLT return that correctly apportions the purchase price.

Some firms do offer this service — usually as an add-on for an additional fee. But it's far from standard practice, and most buyers aren't aware it's an option.

The missed opportunity

The TA10 form is completed in every property transaction. It lists carpets, curtains, light fittings, white goods, and other items included in the sale. The information needed to claim the deduction is already in the transaction file. It just isn't being used for SDLT purposes.

What you can do about it now

The good news is that you can correct this retrospectively. If you completed your purchase within the last four years, you can make an overpayment relief claim to HMRC and get back the excess stamp duty you paid on chattels.

Start by checking what you might be owed. Our refund estimator walks you through each category of chattel and calculates the potential saving based on your purchase price and the SDLT rates that applied at the time.

If the refund is significant, you can either claim it yourself by writing to HMRC, or use a vetted specialist who will handle the entire process on a no-win-no-fee basis.

A note on blame

This article isn't about blaming solicitors. The conveyancing system in England and Wales works under enormous pressure, and the vast majority of solicitors do an excellent job of protecting their clients' interests within the scope of their instructions.

The chattels deduction gap is a systemic issue — a consequence of how HMRC's systems, the conveyancing process, and fee structures interact. Knowing about it puts you in a position to act on it. That's the point.

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