It has been a while since I posted and things are progressing, so expect a flurry of posts in the next few months as things are decided before we go to contract, however I have been working on some minor detailing.  I have decided that I want to extract toilet smells directly from the pan (see JSHarris blog part 32) I have 6 toilets in the house, in 3 pairs (see the plans on blog 02-The Planning Saga) so can use 3 extract runs, one to each pair, the simple bit.  I then need to work ou