He is often hired to do the paint work too – windows, window sills, skirting boards, doors and door frames. The decorators can apply multiple colours in the house depending what the customer desires. The quote they give is based on the square footage of the place, how many colours the property will be painted in. The most important fact will be the condition of the property though. Sometimes they need to do a lot of preparation before they start with the actual painting and very often a plasterer might come to improve the condition of the walls before they get painted.