well theres aldon coachworks in poulton le flyde that i would recommend,i'm an insurance engineer and would recommend them highly, Aldon Road, Poulton-le-Fylde, Lancashire FY6 8JL
Phone: 01253 891189
or karl vellas in preston,hb panel craft arevery good,as are banks and derbyshire,all of which are approved repairers for R.B.S,DIRECTLINE,& CHURCHILL who i used to work for,
hope that helps
Tim