4th October 2010, 08:40 PM
Have you tried looking at the OASIS Grey Literature Archive. There has been quite a lot of PPG16 work in Caistor on Sea. I have just checked it and there are about 5 or 6 reports which may be of interest. I did a 'Norfolk' search as 'Caistor' and ''Caistor on Sea' didn't work.