The Dog & Partridge doesn't sound very Spanish but it's well reviewed (as are several other Spanish restaurants) here:
http://www.sugarvine.com/Cheshire/search/cuisi ne_search.asp?cuisine_type=Spanish
The corresponding list for Manchester has a few overlaps with the Cheshire list but there are still some useful additional suggestions:
http://www.sugarvine.com/Manchester/search/cui sine_search.asp?cuisine_type=Spanish
Here's the Merseyside list:
http://www.sugarvine.com/Liverpool/search/cuis ine_search.asp?cuisine_type=Spanish
Chris