

Stuck outside your car in Harpenden with the keys locked inside? Our mobile locksmiths offer a rapid response, typically arriving within 30–60 minutes. Whether it’s a simple lockout or you’ve lost your keys, NJS Auto Locksmith can get you back in fast. We carry the latest tech to cut and program new keys roadside. Plus, we offer no call-out charges and a no entry, no fee promise.


Lost your car keys or need a spare? We Can Help.
At NJS Auto Locksmith, we offer mobile key cutting and programming services across Harpenden. Lost every key? We’ll access your vehicle, decode the lock, and create a working key on the spot. Need a spare? We can clone and program one in under an hour—right at your home or roadside.
At NJS Auto Locksmith, we repair broken or damaged car keys across Harpenden. Whether your key blade has snapped, the buttons don’t respond, or your remote casing is falling apart, we’ll come to your location and fix it fast. All repairs are carried out using high-quality parts for long-lasting results.


At NJS Auto Locksmith, we repair and replace faulty ignition barrels across Harpenden. Stuck or broken keys? We’ll come directly to you, perform repairs where possible, or install a new ignition barrel, ensuring your car starts smoothly again—quickly and affordably.
Car Locksmith Services In Harpenden
A Completely mobile service. We come to you whether that's roadside or at your home, making life more convenient for you and potentially saving you hundreds if you have to get your car towed to a dealership.
Covering Harpenden and surrounding areas.
Car Lockouts , lost car key replacements , spare car keys , car key programming , broken car key repairs , ignition barrel replacements , and more