Just finished off changing my doors to "suicide" style. may not be to everyone's taste but it is what I wanted to do.
Everything is now smoothed over and so I have at present no outer or inner door handles, just a bare door shell.
I have spent ages trying to research and investigate as how best to lock/secure the doors. Looked at door poppers/door actuaters/solenoids etc in depth.
The best idea that I can come up with is to use two solenoids, push/pull type, mounted at the front edge of the door, the bolts are permanently out and when energised they pull in or close thus allowing me to pull the door shut fully and then when i then release the door switch they de-energise and the two solenoid bolts shoot back out and locate into two corresponding holes in the footwell/ inner wing void, thus securing the door closed.
To open the door, just operate the switch and they operate . the bolts pull back to allow to door free to be pushed open.
Was going to add door poppers to aid to opening swing of the of the door but too much hastle.
As to the legality of opening the door from the outside, I am going to use an engine deck lid cover handle push button catch from a VW beetle for manual pulling with a simple 12v key switch fitted where the push button is to allow me to operate the solenoids form outside the car.
So if anyone can improve on this idea............ love to hear suggestions or even criticisms.