Not every hobby becomes a taxable business, but it is important to be aware when this can happen. This can apply even if you are making some money from your hobby. HMRC looks at a range of factors to decide whether an activity is a genuine trade, including whether there is a business intention behind it or whether it remains a personal interest.

A hobby can gradually develop into a business, particularly where activities become more regular, organised or profit-focused. For example, repairing cars, selling collectibles or making items to sell may generate income, but this alone does not automatically mean a person is carrying on a business. HMRC considers whether the activity passes the “business test” when deciding if tax rules apply.

Small-scale or occasional sales from hobbies will not usually be treated as a business. However, where a hobby grows into a more substantial activity, it may create tax obligations. Many successful businesses have started as hobbies.

Where income does become taxable, there are two separate £1,000 tax-free allowances that may help:

• the trading allowance for income from self-employment, casual services or hiring out personal equipment
• the property allowance for gross property income, such as renting out a driveway

If either relevant allowance covers all the income from that activity, the income is tax-free and does not need to be declared. If income exceeds £1,000, the allowance can sometimes be deducted instead of actual allowable expenses when calculating taxable profits.