For Grid References: You could use
Get-a-map from Ordnance Survey, Britain's national mapping agency which you can use to zoom into the site OR Multimap (Tracks down postcodes) OR Google Earth and create a Google Earth point which you can then email to me at
spmr@msn.com . If you are still struggling, just send me a Post code and I will happily do the rest. I will also send you an information sheet for your pains