Owning your own home

Is it not their job to manage that though?

https://www.gov.uk/buy-sell-your-home/estate-agents

Estate agents must also treat buyers fairly. They must show any offers promptly and in writing to the person selling the house.

Estate agents are also legally obliged to pass on any other offers for the property right up to when contracts are exchanged.

Do ya feel grubby?

But yeah, maybe someone was dumb enough just to rock up and offer asking.