Is the lack of conveyancers causing a fall in property exchanges?

A recent surge in new builds and a relatively healthy property market has created a back log in the pre-completion stages of the property selling process, is this due to high work loads for lawyers or simply due to lack of conveyancers? - please follow the link for more info. 

 

http://www.propertyindustryeye.com/lack-of-conveyancers-holding-up-huge-numbers-of-house-sales/