Appealing a decision?

PurpleBanana · 28 April 2015 at 5:03PM

We have been denied succession of our home. The Housing Association stated that they will not grant us a 'discretionary' succession as our house is 3 bedroom and we technically only need 2 as it is me my partner and his sister. My partner suffers from a mental disability and this will be detrimental to his health, as I often use the 'spare room' when he needs his space. I have gave them letters from his GP and councillor, but as these did not specifically state that we needed three bedrooms, they're still going to move us out. Can I do anything about this?
His grandparents both died last year after caring for him for 15 years. He has had letters in his name and grandparents name about rent etc, but they say he isn't on the tenancy, why is his name on the letters?
Also, his grandad wasn't made aware of any of this before he died and he was a sick man so he knew he may not be around for long, would this help our case in appealing their decision?
Also, they said they will offer us a 2 bedroom alternative but they're not sure where as obviously they have to wait for something to become available. We're worried because as my partner suffers from a mental disability, there is family that live locally that help him. Also we support his sick great aunt who suffers from dementia and her husband who has cancer who live across the garden. We also support his grandad who lives down the road who also has cancer. We're worried that leaving will have harmful effects on our loved ones too as we are always available to help which our help is needed quite often.
Last thing, as their offer of a 2 bedroom alternative is at their own 'discretion' even though they have put it in writing, are they able to take that back if we appeal?
Does anyone have any advice that may help me?
Thank you