Active Lock Centre is a 24 Hour emergency locksmith service, specialising in non-destructive lock opening by picking and manipulation. With over 36 years of working as a locksmith and as members of the Master Locksmiths Association we offer a quality service to our clients in Welwyn Garden city, Hatfield, Stevenage, Potters Bar,  Brookmans park, Potters Bar, St Albans, Hitchin, Hertford