Under existing system despite making a deal there is no guarantee that the sale will be completed until exchange of contracts.Your word means nothing which shouldn't be the case.
If you agree to purchase a property then a deposit should be paid which is nonrefundable .This will immediately eliminate time wasters who cannot complete the purchase and offers the seller some compensation if in the unlikely event that the seller does pull out.
In France the deposit is arround 10% I believe though it could be less .
Both buyers and sellers end up wasting money on failed attempts in survey fees and conveyancing costs.
House buying and selling under the existing system can be very stressful and much of this could be eliminated by changing the system.
Changing the system will save us home owners most needed money.
Change would help the property market and increase confidence in the process.
The existing system offers NO SECURITY TO BUYER OR SELLER AND NEEDS TO BE CHANGED.