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Preparation and problem surfaces

Painting Skirting Boards, Doors and Woodwork

Freshly painted woodwork makes a room look crisp and cared for. It's also where good and rushed decorating are easiest to tell apart.

3 min read · Updated October 2026

Decorator's masking tape along a door frame in a room ready for painting

Why woodwork takes longer than walls

A door has panels, mouldings, edges and a frame, all of which need careful brushwork. Skirting boards and architraves have profiles to follow and corners to get into. And because woodwork gets knocked, it usually has dents, chips and old drips that need dealing with first. That's why woodwork can take as long as the walls in some rooms.

The preparation steps

Good woodwork is all about the prep. A decorator will typically:

  • Wash down to remove grease and grime
  • Sand to remove gloss, smooth old drips and give the new paint something to grip
  • Fill dents and holes with a fine filler, then sand flush
  • Caulk gaps between the skirting and wall, and around frames
  • Treat knots in bare softwood with knotting solution
  • Prime bare wood and apply undercoat where needed

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Choosing a finish

Satin is the most common choice now, with eggshell for a softer look and gloss for a traditional one. Water-based trim paints stay white and dry quickly; oil-based paints give a very smooth finish but take longer to dry and may yellow. Our guide to water-based versus oil-based paint covers this in more detail.

Doors, banisters and spindles

Panelled doors are painted in a particular order – panels first, then the middle sections, then the outer frame – to avoid lap marks. Doors are often taken off their hinges or have handles removed for a cleaner finish.

Staircases with lots of spindles are slow work and are usually priced separately. If you want the handrail left as natural wood, mention it when you request quotes.

Common questions

Should skirting be painted before or after the walls?

Most decorators paint ceilings, then walls, then woodwork last, so the final crisp line is on the woodwork.

Why is my new skirting paint peeling?

Usually because it was painted over shiny old gloss without sanding, or over a surface that wasn't clean. The fix is to sand back and prime properly.

Can varnished wood be painted?

Yes, after sanding and a suitable primer. Some varnishes and stains need a specialist primer to stop bleeding.

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