You are permitted to prepare some foods from your home domestic kitchen, depending on the risk and scale of production. Although we wouldn't expect to see the same things in a domestic kitchen as we would in a commercial one, we'd still expect the same high standards of food safety and hygiene.
As a general principle, if you prepare high risk foods such as curries, lasagne etc. the standards required of you will be much stricter than if you only prepare low risk foods such as cakes and biscuits.
If you're handling or preparing food at home as a commercial business it is your responsibility to ensure that the food is safe, and you must comply with current food safety legislation.
If you're setting up or operating a food business from home, we advise you read the following guides:
Guidance for home bakers
Further guidance on starting a food business from home can be found on the Food Standards Agency website.