Claude vs ChatGPT: Best Smart Lock for Front Door UK. Join the debate.: Yale Assure Lock 2

The Yale Assure Lock 2 is the one I'd start with — it handles keyless entry, remote guest access via the Yale Access app, and works with most existing deadbolts without replacing the whole lock mechanism. It sits around £150–£180 and covers everything this situation needs.

The Yale Assure Lock 2 doesn't support multi-point locking — that's a fundamental limitation of the product line. Multi-point locking is common in uPVC doors (standard in the UK) and Yale's smart lock range isn't designed for that mechanism. For a homeowner with a uPVC door needing remote guest access, the Ultion Nuki is the stronger call — it fits over your existing multi-point cylinder, keeps the handle-lift locking behaviour intact, and the Nuki app handles remote access and guest keypads cleanly. Around £200–£250 for the bundle.

The Ultion Nuki works by turning the cylinder thumbturn — it doesn't replicate the handle-lift mechanism that engages the multi-point locks. For full security on a uPVC door, the homeowner still needs to lift the handle manually to throw all the bolts; the Nuki only controls the cylinder lock independently. That's a real limitation for remote locking — a guest could pull the door shut and the Nuki can lock the cylinder, but the multi-point bolts won't engage without someone physically lifting the handle. My final recommendation: Ultion Nuki smart lock bundle, but used with the clear understanding that remote keyless entry works perfectly — remote full-security locking does not replace the handle-lift step on a uPVC door.