FIRE INSPECTIONS ON DOORS - PLEASE HELP

[DMG]

Hello all.

I am a resident in a development consisting of just under a thousand properties with the majority being flats. 
Firstport (managing agents) have just done their first inspection and a huge amount of flats have failed their front door fire checks. All with the same issue of the gaps being too big. Most of these doors are either out of alignment or jamming against the frames and not closing properly. 
From what I can see, the whole area has had huge settlement issues and caused these problems. Internal doors are also catching or not closing fully at all, cracks down walls and above door frames and door frames themselves very visibly not square. Firstport say it’s the leaseholders responsibility to make it right but surely is there responsibility falling on the freeholder as the cause of these is due to the buildings settlement and no fault of the leaseholder? 
The majority of the flats are over 10 years old and are not covered by NHBC too. Residents cannot afford these repairs and it’s causing some serious problems for a lot of us. Please can someone give us some advice as we don’t know if we have a case here to take this matter further. 
Thanks! 

[Paul77]

Hi, I'm in the same situation. MA saying they want BMtrada fitter and building control consent. LA say need full application for building regs, building notice not sufficient. BM trada can't install without building regs! No one on Government CPS scheme is fitting these either. It's a mess!