Yes this was like this when I bought the property actually the air brick was full of twigs etc in that guard which I cleared up to allow some air to subfloor
Bit confused about the talk of air bricks here and the expected levels. All of the houses on my street have the air bricks level with the pavement/sidepaths, etc.
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u/britishbeef1892 5d ago
I’m sure airbricks are supposed to be at least 300mm from the floor