Stamp Duty on £300,000 House (2026/27) — England & NI SDLT Calculator
Purchasing a £300,000 residential property in England or Northern Ireland incurs £5,000 for a Standard Home Mover (1.67% effective tax rate), £0 for an eligible First-Time Buyer, or £20,000 with the +5% Additional Property / Buy-to-Let surcharge.
| UK Buyer Category (2026/27) | Total SDLT Due | Effective Tax Rate |
|---|---|---|
| Standard Home Mover | £5,000 | 1.67% |
| First-Time Buyer (Relief up to £500k) | £0 | 0.00% |
| Additional Property / Buy-to-Let (+5%) | £20,000 | 6.67% |