Match the paint, prep the patch, then feather thin coats so touch-ups blend invisibly into the surrounding wall.
TP-01Identify the exact paint and sheenCheck the tin lid, a leftover label, or the paint code on your original invoice. Note the finish too — matt, silk, satin, eggshell or gloss — because a mismatch in sheen shows up more than a mismatch in colour. If you have no record, take a small chip of paint or a photo in daylight to a decorating shop for colour matching.
TP-02Gather your kitYou need the matching paint, a small natural sponge or artist's brush, fine abrasive sponge, a clean lint-free cloth, and sugar soap or warm water with washing-up liquid for cleaning. Lay down dust sheets or old towels to protect flooring.
TP-03Clean the damaged patchWipe the area with sugar soap solution to remove grease, dust and any grime, then let it dry fully. Skipping this step is the most common reason touch-ups fail — paint won't bond properly over a dirty surface.
TP-04Lightly sand and feather the edgesRub the fine abrasive sponge gently over the damaged spot and about 20-30mm beyond it, feathering the edge so there's no hard ridge for new paint to sit against. Wipe away all dust with a damp cloth afterwards. If the wall was built or decorated before 1960, old paint layers may contain lead — avoid dry sanding, keep the area damp while you work, and wipe up debris rather than brushing it.
TP-05Test the match on an offcut or hidden spotDab a small amount onto a scrap of card or an inconspicuous patch behind furniture and let it dry fully — wet paint always looks darker than dry. Compare it against the wall in daylight, not under artificial light, before committing to the visible area.
TP-06Apply thin coats with a stippling motionDab the paint on with a sponge or the tip of the brush rather than stroking it on — stippling breaks up the edge and avoids a visible painted rectangle. Build colour up in two or three thin coats rather than one thick one, letting each dry for at least 30 minutes before the next.
TP-07Adjust technique for the finish and surfaceOn matt emulsion, stippling with a sponge blends well because matt hides small texture differences. On satin, eggshell or gloss, use a foam roller or very light brush strokes in the same direction as the original coat — these sheens show every brush mark and lap line clearly. On a textured ceiling (Artex or similar), dab the paint on with a stippling brush to recreate the texture rather than smoothing it flat, or the patch will read as a smooth patch under raking light.
TP-08Let it cure and check under different lightLeave the touch-up to cure for at least 24 hours — colour and sheen can shift slightly as paint fully dries. Check it under natural daylight and again under any lamps you normally use in the room, since colour matching can look perfect in one light and off in another.
TP-09Clean upRinse brushes and sponges in warm water for water-based paint, or the correct solvent for oil-based gloss. Reseal the paint tin tightly, wipe the rim first, and store it somewhere frost-free for next time.
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