Agreed, estate agents are not necessary.
We sold our previous house by just sticking up a for sale board and capitalising on the fact that others in the street were being advertised by agents, thus bringing prospective buyers past the door.
If you were buying and saw two identical houses, one through an agent and one direct, which do you think you’d get a better deal on?
Cut out the leaches and split the savings.
I’ve often wondered why we haven’t seen a low cost national sales website really take off in Ebay-esque proportions (or have I missed it?). eg £10 or even free to advertise your house for as long as you want/need, revenue from trade ads.