Would you like to submit a review of A 1 Finchley Lock Service, Barnet? A A 1 Finchley Lock Service Barnet review will help create a directory of recommended locksmiths in Barnet. Is A 1 Finchley Lock Service Barnet owned by you?, If so, why not claim it now! After claiming a business, you will be able to update the details and add more tags and photos.