Top Seat counting work. I've got to bow out for a stag doo for a couple of Days. Appreciate the updates.I can confirm that I haven't factored in the tarpaulin but I have accepted that not all the unsold tier 5 blocks will have nigh on 1000 seats in them. Taking all this into account my new guesstimate of unsold seats in unreleased blocks 522-526 is approx 4300. Don't hold me to that figure though ;)