Stamp Duty Land Tax (SDLT)
Stamp Duty, officially known as Stamp Duty Land Tax (SDLT), is a tax paid when purchasing property or land in England and Northern Ireland.
It is one of the most significant additional costs faced by homebuyers and plays an important role in the UK housing market and government revenue.
While stamp duty is intended to raise funds and regulate property transactions, it has also been criticised for increasing the cost of moving home and reducing market mobility.
This essay explores what stamp duty is, how it works, and its impact on buyers and the housing market.
What Is Stamp Duty?
Stamp Duty Land Tax is a one-off tax paid by the buyer when purchasing residential or non-residential property above a certain price threshold in England and Northern Ireland.
The tax must be paid within 14 days of completion, and it is usually handled by a solicitor or conveyancer on the buyer’s behalf.
Stamp duty does not apply uniformly across the UK. Scotland uses Land and Buildings Transaction Tax (LBTT), while Wales uses Land Transaction Tax (LTT), each with different rates and thresholds.
How Stamp Duty Works
Stamp duty operates on a progressive, banded system, meaning different portions of a property’s price are taxed at different rates.
Buyers do not pay a single rate on the entire purchase price; instead, tax is calculated on each band the price falls into.
As of 2026, standard residential rates:
0% on the first £125,000
2% on the portion from £125,001 to £250,000
5% on the portion from £250,001 to £925,000
10% on the portion from £925,001 to £1.5 million
12% on any amount above £1.5 million
These rates apply when the property is the buyer’s only home.
First-Time Buyers and Reliefs
To support people entering the housing market, the government provides stamp duty relief for first-time buyers.
- 0% on properties up to £300,000
- 5% on the portion between £300,001 and £500,000
If the purchase price exceeds £500,000, no relief is available and standard rates apply. There are also other specific reliefs available.
Higher Rates and Surcharges
Stamp duty is significantly higher for people buying additional properties, such as buy-to-let investments or second homes. In these cases, a 5% surcharge is added to each tax band.
Non-UK residents purchasing property in England or Northern Ireland must also pay an additional surcharge. These higher rates are designed to discourage speculative investment.
Criticism and Debate
Critics argue that SDLT penalises mobility by discouraging downsizing, increases upfront costs, and has limited impact on first-time buyer affordability.
However, abolishing it would cost the government billions in lost revenue. As of 2026, it remains an important and controversial element of the market.
Impact on the Housing Market
Stamp duty has a major influence on buyer behaviour and the wider housing market. Because it adds thousands of pounds to upfront costs, it can delay purchases and discourage people from moving home.
This is particularly true in higher-priced regions such as London and the South East, where stamp duty bills are much larger.
Temporary stamp duty reductions in the past have led to short-term increases in transactions, followed by slowdowns when reliefs ended. This pattern suggests that stamp duty affects timing and volume of sales rather than long-term affordability.