They cover clearing of materials from the loft space, relocating an existing water tank, insulation of walls and ceiling, softwood framing (where wood is placed to make new structures), plasterboard ...
To make your much-deserved staycay count, Heritage Collection on Seah has tons of options to choose from, including Premium Loft Plus ($175/night), Premium Loft ($160/night), and Loft ($155/night).