hi i have a 1928 semi detacted house and it has 3 air bricks to the front and side and 1 on the back (lean to on the back),how ever the front had an extention built in 1975 with concrete foundations and 2 of the air bricks are on that, leaving 1 into the old part of the house no room to put any more on.any ideas to get more air flowing throw viod under floor the smell of damp is bad.theres no damp on any of the walls.
any idears greatfully received.
thanks mike