Stamp Duty Land Tax (SDLT) Calculator
Calculate Stamp Duty Land Tax on a UK residential purchase across the standard tiers, first-time buyer relief and the additional dwelling surcharge.
- Nil Rate Band
- £125k
- Standard
- FTB Relief
- £300k
- First-time buyers
- Additional Dwelling
- +5%
- Surcharge
Formula & Statutory Rule
Formula
sdlt = tiered(price, [0, 2%, 5%, 10%, 12%])
Statutory Rule
ftb_relief: 0% to £300k, 5% to £500k; additional_dwelling_surcharge = +5%Regional Benchmark Reference
| Jurisdiction / Tier | Rate or Limit | Statutory Note |
|---|---|---|
| £0–£125k | 0% | Nil rate |
| £125k–£250k | 2% | Basic |
| £250k–£925k | 5% | Standard |
| £925k–£1.5m | 10% | Higher |
| Above £1.5m | 12% | Top |
Frequently Asked Questions
When do I pay SDLT?
SDLT is due within 14 days of completion and is usually handled by your solicitor.
What is the first-time buyer relief?
First-time buyers pay no SDLT up to £300,000 and 5% on the portion from £300,000 to £500,000.
What is the additional dwelling surcharge?
An extra 5% applies to purchases of additional residential property above your main home.
Does SDLT apply in Scotland and Wales?
No. Scotland uses Land and Buildings Transaction Tax and Wales uses Land Transaction Tax.