Buying a second home can be exciting, whether it’s a countryside retreat in Hungerford, a base for commuting, or an investment for the future. But since April 2025, the rules on Stamp Duty Land Tax (SDLT) have become more complex and much more expensive for second-home buyers. Getting it wrong is no small matter: recent political headlines show just how costly mistakes can be.
The new rules at a glance
From 1 April 2025, higher rates of SDLT apply to almost all second-home purchases in England and Northern Ireland. These rates add 5% on top of the standard residential bands, meaning the tax bill for a £600,000 property can now reach around £50,000, a sharp rise compared with the £38,000 under the old 3% surcharge.
These rules apply if you own another residential property worth £40,000 or more anywhere in the world. They also apply to spouses and civil partners as a single unit, even if only one of you owns a property.
There is some relief if you are replacing your main residence: if you sell your old home within three years of completing on the new one, you may be entitled to a refund of the extra SDLT. But the timing has to be handled carefully.
What Angela Rayner’s case teaches us
The resignation of Angela Rayner earlier this month, after it was revealed she underpaid SDLT by nearly £40,000, is a striking reminder that mistakes here are not just technical; they are expensive, reputationally damaging, and stressful to correct.
Her case shows how issues such as “main residence” status, trusts, and ownership structures can easily trip buyers up. If this can happen at the top of government, it can certainly happen to anyone buying a second home in West Berkshire.
Why West Berkshire buyers should pay particular attention
We are seeing more Londoners making the move to this area sometimes keeping a flat in the city while buying a larger property locally. That scenario nearly always attracts higher SDLT, unless the London property is sold within the three-year refund window.
Similarly, many homes here come with annexes, outbuildings, or multi-unit features. Until June 2024, these could benefit from Multiple Dwellings Relief, but that relief has now been abolished. The result is higher SDLT bills than many buyers expect, unless specialist advice is sought early.
For families, there are further traps. Spouses and civil partners are treated as one taxpayer, so if one of you already owns a property, the second purchase will likely be caught by the higher rates. Trusts and beneficial ownership can also complicate the picture, particularly where properties are held for children.
The real cost of getting it wrong
Even a minor misclassification can add tens of thousands of pounds to the bill, and HMRC has the power to levy penalties and interest where it considers that tax has been underpaid.
At the same time, buying a property is already stressful and expensive. The last thing most families want is a surprise tax demand six months after moving in.
Pros and cons of taking legal advice
Here is a simple summary of the value of proper SDLT advice:
| Pros of Legal Advice | Cons of Legal Advice |
|---|---|
| Correctly classifies your purchase, potentially saving tens of thousands of pounds. | Advice adds to your upfront costs. |
| Ensures you qualify for refunds, such as when selling a main residence within three years. | Lawyers tend to be cautious and may advise against aggressive tax positions. |
| Helps reduce the risk of penalties and HMRC disputes. | Advice requires documents and time—so it needs to be sought before exchange. |
How Marlborough Law can help
At Marlborough Law, we combine local knowledge with specialist legal expertise. For second-home buyers, we:
Review your SDLT position before you exchange contracts.
Advise on the impact of trusts, joint purchases and overseas property.
Ensure you understand whether refunds apply and how to claim them.
Provide calm, non-confrontational guidance that keeps the transaction moving smoothly.
Our values, approachability, honesty, compassion, respect, empathy, and community guide everything we do. We know property purchases are about more than tax bills: they are about securing a family’s future and enjoying life in our part of West Berkshire.
If you are considering buying a second home, whether moving from London or investing locally, speak to us first. The cost of advice is a fraction of the cost of an SDLT mistake.
