The House was built in 1930 so used to have coal fireplaces but not one in that room though.
The rad is a decent size for the room and there is loft insulation so all the other rooms upstairs stay pretty warm. covered the vent with cardboard for now and will see if that helps.
I have an air vent inside my childs bedroom that means the room can get pretty cold.
https://assets.pinterest.com/ext/embed.html?id=928093435685730364 Inside house vent
https://assets.pinterest.com/ext/embed.html?id=928093435685730409 outside view of vent.
I was hoping to buy a better hit and...