How long does it take to professionally decorate a room?

Decorator-days and calendar days are not the same thing

If one decorator works for four days, that is four decorator-days. If two decorators can sensibly share the work, four decorator-days may be completed in roughly two calendar days. But not every stage can be compressed: filler, primer and paint need time to dry, and crowding two people into a small room can sometimes slow the job rather than speed it up.

That is why an honest timescale should describe both the amount of labour and the likely calendar duration.

Stage 1: protection and setting up

Before preparation starts, furniture, floors and nearby areas need to be dealt with. Small belongings may already have been removed by the homeowner, while larger furniture can be moved or protected depending on the room.

This stage also includes bringing in tools and materials, arranging safe access and confirming any final details such as colours and surfaces included.

Stage 2: preparation and repairs

For many rooms, this is the stage that makes the biggest difference to the timescale. Small local fills and a light sand can move quickly. Repeated cracks, poor previous filler, flaking coating, stains, damaged woodwork or larger repairs can add substantial time.

Preparation may include cleaning, scraping, filling, sanding, caulking appropriate joints, priming bare areas and stain blocking. It should follow what the surface actually needs rather than a ritual checklist.

Stage 3: primers, sealers and first coats

Bare patches, stains, difficult substrates or repaired areas may need a primer, sealer or stain blocker before the main finish. Once the substrate is ready, ceilings and walls can begin receiving their finish system.

Not every room needs the same number of coats. Colour change, opacity, substrate and product all matter. It is more useful to aim for the required finish than to promise “two coats” regardless of what the wall needs.

Stage 4: finishing walls and completing woodwork

Doors, frames, skirting, windows and radiators can contain a surprising amount of labour. Woodwork requires edges, sanding between stages where appropriate and drying time. A hallway with several doors can therefore take far longer than its wall area suggests.

Deep colour changes can also add time because coverage and cutting-in may be more demanding. This is particularly noticeable when switching between very light and very dark colours.

Stage 5: final check, touch-ups and tidy

Once the finish has dried sufficiently, the room should be checked in normal light, small misses or defects corrected, protection removed and the area left tidy. A professional job should not be considered finished simply because the last roller tray is empty.

What usually adds time to a room redecoration?

• Significant cracks or poor old repairs.
• Stains that need isolating.
• Flaking or poorly adhered old paint.
• Detailed doors, frames, windows or fitted joinery.
• Very dark or dramatic colour changes.
• Furniture that limits safe access.
• Waiting for repairs, primers or coatings to dry.
• Working around other trades or restricted access times.

A large room with sound walls can be faster than a small room with difficult woodwork. The condition and number of surfaces usually matter more than floor area alone.

How homeowners can reduce disruption without cutting corners

Make colour decisions before the start date, remove small belongings and fragile objects, provide clear access and tell the decorator about deadlines or restrictions during the survey. You normally do not need to empty the entire house.

For a practical division of responsibilities, read how to prepare your home for decorators and what the decorator should protect.

Timescales are broad planning guidance rather than fixed promises. The surveyed condition, scope, products and number of decorators determine the real programme.