Those large Trades7 Jul 2009 17:39
According to Halifax.
£31,250 12.50p 250,000 10:22 Buy OK
£22,140 12.30p 180,000 13:10 Sell OK
£12,500 12.50p 100,000 16:04 Buy O
£11,192 12.40p 90,255 15:19 Buy O
Not sure if one could drive any conclusions from these though!