It is the same with bursary place for Blackheath High School. The deadline for accepting the offer is 3rd March 2008. Are you sure it is not done intentionally? This was one of the reasons to put me off that school. If I accept the place on 3rd March, and my child gets into grammar, I will be money penalised to withraw from independent school. When you speak to staff from independent schools, they are just being nice to you as they want your money like wolves.
It is not done deliberately. They are actually trying to be helpful, but have not realised that LAs of course could not possibly post out the results on 29th March, even though in 3 out of 4 years that day would actually be 1st March. I guarantee that when it is pointed out to them they will set the acceptance date at 4th March at the earliest.