The house we live in is approaching 40 years old and the garage door as fitted only had single point locking. I retrofitted frame locks in the lower corners but this still eaves the top corners vulnerable, and I don't want to have to undog 4 separate locks and the centre one to get in. We appear tp be seeing more break-ins in our town so I'm looking at a replacement door. We've no other access than the front door, and having just spoken to one installer he said that while 4 point secure doors are very good, if anything goes wrong with them without alternative access you're pretty much screwed and would be tin-openering the door and replacing it. He suggested a powered roller shutter which I'd dismissed as over complicated but thought I'd consult the forum hive mind for experience and opinions s if you've either please share them with me. If anyone has any idea of typical costs for a fitted door I'd welcome those too.