As a first-time buyer you won’t have to pay any stamp duty on your home as long as its total value is less than £300,000. If your home is worth more than £300,000 you will pay a 5% stamp duty tax on any amount over this value – not on the total value. If you’ve owned a property before, you’ll pay Stamp Duty on the value of your property above £125,000. Paying Stamp Duty is slightly different for shared ownership homes as you get some options about when to pay it. Usually Stamp Duty must be paid when you complete the purchase of your home. But with shared ownership you get the option to either pay the whole amount at the start, or once you own a share worth £125,000 or more. This allows you to spread the cost of paying Stamp Duty if that’s what’s best for you.