12 ft x 12 ft. Bedroom in terraced. Double bed in room , big cupboard 2 chests of draws and recliner chair as well and I had to skim ceiling. Had to mix in the cubby hole. Had to move planks to get out the room or to get a mix on. 9 ft high ceiling. And it must have been a hundred degrees.......like the title says.....I h a t e p l a s t e r i n g........ Sometimes.