Hi,
if your wife has a normal license, then you would need to wait on the DVLA.
to drive a car with left hand acceleration you need Restriction on her license.
your daughter must have to Restrictions on her license have a look on the back if the card the code will tell you, 25 is adaptive accelerator and to us hand controls on steering is code 40.
so in event of mr plod pulling you over could turn nasty. Wait till DVLA get back to you but ur wife is free to drive any normal car. But not one thats adapted