I've let property for years and never used an agent, but then the property is part of our main residence anyway, so we are always on hand to deal with any issues. If you don't live near the property, then yes, I would use an agent.
49,000 migrants invade Spanish enclave in 24 hours
Today the High Court has agreed that children can be given puberty blockers.
The Devil In The Family: The Fall of Ruby Franke - BBC IPlayer

