Here is a Google map to the Toby Carvery so how about what David has suggested !!!!
http://maps.google.co.uk/maps?q=ugly+Duckling+,Oxford+road+Denham+UB9+4LJ&sll=51.572566,-0.526353&cid=16389780429873152760&hl=en&ie=UTF8&hq=ugly+Duckling+,Oxford+road+Denham+UB9+4LJ&hnear=&ll=51.573197,-0.52769&spn=0.000764,0.002626&t=h&z=19