We’ve just had the front door replaced for one of the more recent metal doors.
Despite the fact I prefer the idea of the wooden doors, I have to say the new design appears much improved. It’s noticeably quieter when traffic passes by and doesn’t let any daylight in.
If you’re really struggling with your wooden door (several replacements etc) then I say push for a new one, it does what a door should do!
All more recent builds here have metal doors as standard, you can spot them easily by the pop rivets towards the bottom end.