Wherever you see MAP  or an underlined postcode (ab123cd)  or Grid Ref. (ab123456) in whatsonexmoor this will automatically force 'Streetmap.co.uk' to open in a new window with a map showing the pre-programmed  location pin-pointed.  
This can be done manually if there is no link, as follows :-

Clicking on Streetmap (top menu of every page) will open the 'streetmap.co.uk' website in a new window. Type the postcode or grid ref. into the map's search box, select the 'type' of number (ie. Postcode, Landranger grid ref.) and up pops your map! 
Note: the map resolution can be changed to see a wider or more detailed area (click the + - icons below the map).  These maps can be printed just like any web page.  

TIP: Use "copy/paste" to easily insert the numbers from whatsonexmoor into the Streetmap search box.  (ie. highlight the postcode or grid ref text using your mouse. press Ctrl C  on your keyboard. click your mouse in the input box on streetmap and press Ctrl V ).

Formats :-

POSTCODE: format is:-

ab123cd (ie. ta247qr)  lower case text can be used. You must select "Postcode" under the search box when using Streetmap.

GRID REFS: format is:-

AB123456 (ie. SS995402) All grid refs. given on whatsonexmoor are Landranger refs.  You must select "Landranger Ref." under the search box when using Streetmap.