It may be very useful as a WAG transport between Brentwood and Mobberley.
Oh and quite few SME enterprises that actually make things have bases in the North West, Essex and the East End.
Know quite a large number of construction and ancillary trades personally that commute between Essex and North West regularly
Further currently the City will be one direct train ride away/Certainly quicker than via Slough Windsor and Hounslow Regional.