Stamp Duty on a £350,000 house
Main residence: £0 on first £250k + 5% on £100k = £5,000. First-time buyer: £0 on first £425k (so £350k is under the threshold) = £0. Second home: higher rates apply.
Other examples: £300,000 · £400,000 · £450,000 · £500,000 · £600,000