£UK Money Tools

Stamp Duty on a £450,000 Property

Stamp Duty Land Tax on a £450,000 property in England or Northern Ireland is £12,500.00 for a standard purchase (effective rate 2.8%).

Standard Purchase

BandTax
£0 – £125,000 at 0.0%£0.00
£125,000 – £250,000 at 2.0%£2,500.00
£250,000 – £450,000 at 5.0%£10,000.00
Total Stamp Duty£12,500.00
Effective Rate2.8%

All Buyer Types on £450,000

Buyer TypeStamp DutyEffective Rate
Standard (moving home)£12,500.002.8%
First-time buyer£7,500.001.7%
Additional property (+5%)£35,000.007.8%

First-time buyers save £5,000.00 on a £450,000 property compared to standard rates.

What You Pay on £450,000

On a £450,000 property, a standard buyer pays £12,500.00 in stamp duty. This is calculated on the banded system — you pay different rates on each portion of the price, not a flat rate on the total. The first £125,000 is tax-free, then 2% on the next portion up to £250,000, and 5% on the rest up to £925,000.