Don’t freak out when I tell you there are seven steps to preparing a wall for painting. I know that sounds like a huge bore, but preparing surfaces for paint will save you a lot of hassle in the long run.
Sounds obvious I know, but get as much stuff out of the room as you possibly can. When you are painting you don’t want to be manoeuvring around a ton of stuff.
Wipe over the walls with a feather duster to clean away any cobwebs, dust, etc.
Fill in any nail holes, or cracks, with lightweight filler. Allow to dry, then sand. Apply a second coat or filler, if needed, and sand again.
Clean the walls with sugar soap and a sponge.
Tape of adjacent, woodwork and light switched with painter tape to protect surfaces.
Prime or undercoat. Apply a primer if you are painting a new surface, like freshly plastered walls. If you are painting an existing painted wall, use an undercoat. They both play an important [art in your topcoat looking top notch.
Apply s topcoat. I alway do at least two coats, sometimes three, bearing in mind that all my walls are dark. You should never opt out and just do one coat: your walls won’t look half as cool!