A chain-free property is a property that is being sold by a vendor (home seller) who does not need to purchase a new property after they sell. Only 10% of all property transactions in the United Kingdom are chain-free.
The term 'property chain' is common in real estate, especially in the UK. The chain is the line of people buying and selling. For example, there might be a first-time buyer trying to purchase a small flat, another person waiting to move from the flat to a small house, another person waiting to move from the small house to a larger house, and so on. If one person drops out of the chain, the sellers are not able to continue with their moves and the chain collapses.
Chain-free properties are available for numerous reasons: