I am planning to install a Pergola/Lean-to to the back of my house, to use as a sheltered patio. I have been watching numerous videos and have picked up some fabulous information, however, I'm a little bit concerned with regards to the wall plate.
My house is rendered with pebble dash (in good condition no cracks) Now the thing I need assistance with, is how do I fix the wall plate to the pebble dash? I am in a housing association property, so chipping away at the pebble dash back to brick is out of the question. I would probably get into big trouble for this, but I suppose I can chisel the stones off to create an even surface. What bolts/screws etc. are best to use for fixing the wall plate?