We have a 23ft X 20ft sitting room so opted for a 48" smart TV which allows us to sit where we want and still see the screen in all its glory. (As it is over the 40" - 45" selection I voted in the higher section
... does this amount to bragging
)
The box looked massive so was glad when the delivery guy took it away with him. Oh and it's the first TV that we have had to install with a brace to stop it being pulled over by a toddler.