Stamp Duty on a £300,000 House
Purchasing a £300,000 property? Standard buyers pay £5,000 in stamp duty at current 2025 rates. First-time buyers pay nothing — £300,000 is exactly the upper limit of the first-time buyer 0% band. Use the calculator below to see a full band-by-band breakdown, and find out whether a chattels deduction could reduce what you owe (or recover what you've already paid).
Calculate Your Exact Bill
Pre-filled with £300,000. Adjust for your situation and see a full band-by-band breakdown.
If your purchase included moveable items — carpets, curtains, freestanding appliances, garden furniture — their value should have been deducted from the SDLT calculation. Most solicitors skip this step. HMRC allows refund claims for up to four years after completion.
Check if you qualify →Frequently Asked Questions
How much stamp duty do I pay on a £300,000 house?
Standard buyers pay £5,000: 0% on the first £125,000 (£0), 2% on the next £125,000 (£2,500), and 5% on the remaining £50,000 (£2,500).
Do first-time buyers pay stamp duty on a £300,000 house?
No. First-time buyers pay zero stamp duty on a £300,000 property. This is the exact upper limit of the first-time buyer nil-rate band, so the entire purchase price is exempt.
What is the stamp duty on a second home worth £300,000?
An additional 3% surcharge applies on each band. Total stamp duty on a £300,000 second home or buy-to-let is £14,000.
Can I claim stamp duty back on a £300,000 house?
Yes — if the sale included chattels (moveable items like carpets, curtains or freestanding appliances), their value should have been excluded from the SDLT calculation. HMRC allows claims for up to four years after the effective date of the transaction.
Think you overpaid?
Check your eligibility in 2 minutes. HMRC allows refund claims for up to four years after completion.
Estimate My Refund →