On 05/11/2020 19:17, Andrew wrote:
You should be able to get the planning application
plans from the councils website, but the detailed
Building Control plans are not available, presumably
because of copyright.

If they exist at all. I had a major extension built, along with a garage
conversion, I was surprised at both the lack of specific detail, and
number (4) of drawings.

Building control fees were also a lot lower than I'd expected. (550 quid
for 4 visits, and final sign off)