Thanks but I have already checked, it's 2m from the boundary, is less than 4m high and is on 0.6 acre plot so it does not consume more than 50% of the free land. Please explain why you think that it won't be allowed in permitted development.
The cost of reclaimed tiles is £0.20 by two...
I am trying to plan a new L shaped garage built using "permitted development". I have started to price out a Timber Frame garage and managed to totally underestimate the ground-works, now I seem to be underestimating the roof, hence this thread for help.
The garage looks something like this...