I recently made the mistake of staying in a beachside apartment at Tugun, South of the Gold Coast and probably within 1 NM of YBCG - and very close to being under the flightpath to YBCG.
There's some very expensive houses sitting on outcrops under the flightpath that must be around 200-300' higher than the surrounding houses, that are perhaps mostly 50-100' AMSL.
I sat and watched in awe as flight after flight appeared to be close enough to those houses on the outcrops, that I reckon anyone in the house or yard would be able to read the ply rating on the tyres!
In addition to the constant noise levels, practically every time an aircraft flew in, at one precise point, that aircraft cut off the TV signal!
We rapidly understood why the beachside apartment was "on special", as far as accommodation rates went!
It didn't help that the apartments were constructed in an industrial fashion, using inadequate soundproofing and large quantities of steel, which rang and vibrated with any noise!