The unclued lights, one of two words, are of a kind, verifiable in Brewer.
 

Across

 
1    After the outskirts of Barnsley, overtake on road round town (6)
7    Series for bikers? (6)
13    Regularly burn options and release (5)
14    Like a Peruvian, having completed filming? (5)
15    Mine worker who boozes habitually (7)
17    Saw lead restraining theme word (7)
19    Composer’s not accepted old coins (4)
22    Frank nominee dined out (6)
24    Turn a blind eye when poor lady’s dropped bicycle part (9, two words)
25    Witness support right away (5)
28    Cruel demeanour stoically destroyed (9)
30   ...