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Why sheen matters more than you think

Walk into any decorating centre and you will see the same word repeated across the tins: matt, eggshell, silk, satin, gloss. These are not marketing flourishes. Sheen is the measure of how much light a dried paint film bounces back, usually expressed as a percentage. A dead-flat matt might sit at two or three per cent, while a high gloss can reach eighty or ninety.

That number decides three things you will live with every day: how washable the surface is, how long it stands up to knocks and scuffs, and how the colour itself reads in the room. Get sheen right and the job looks considered. Get it wrong and you will either be scrubbing marks you cannot shift, or staring at every ripple in forty-year-old plaster.

Matt: soft, flat and quietly forgiving

Matt emulsion is the workhorse of British decorating. With almost no reflection, it absorbs light rather than bouncing it about, which flatters uneven walls, patches of filler and the general wear that comes with an older house. Colours look softer and slightly deeper than they do on the colour card.

The trade-off is durability. Traditional matt marks easily, and while a light rub with a damp cloth is usually fine, anything more vigorous will burnish the surface and leave a shiny patch. If you want the matt look in a busy space, look for a scrubbable or washable matt, which carries a slightly higher sheen but wipes down far better.

Matt suits ceilings, bedrooms, lounges and dining rooms, and it is the natural choice for period properties where walls are never quite true.

Eggshell: the dependable middle ground

Eggshell sits in the middle of the range, typically somewhere between ten and twenty-five per cent sheen. It has just enough reflectivity to feel practical without tipping into a shiny finish, and it is forgiving of imperfect surfaces.

In the UK, eggshell does two jobs. Water-based eggshell is a fine choice for walls in kitchens, hallways, bathrooms and children's rooms. Oil-based or hard-wearing eggshell is the classic choice for woodwork: skirting boards, door frames and panelling. It dries to a smooth, slightly softened finish that looks traditional and takes knocks well.

If you want one finish that handles most of the house without compromise, eggshell is usually the answer.

Satin and silk: hard-wearing and genuinely washable

Silk emulsion and satin sit higher up the scale, roughly twenty-five to forty per cent. This is the practical territory. Grease, sticky fingerprints and splashes wipe away with warm soapy water, which is why these finishes dominate kitchens, utility rooms and family bathrooms.

The catch is that shine shows up texture. Roller marks, lap lines, dents and dings in the plaster all become more visible as sheen increases. Two thin coats applied with a good microfibre roller will always beat one thick coat. In older homes, think carefully before putting satin across a large wall that has been patched and filled over the decades.

Trim satin, by contrast, is brilliant on doors, skirting and window frames. It is tough, easy to clean and slightly less stark than full gloss.

Gloss: tough, bright and best used deliberately

Gloss is the hardest-wearing of the common finishes, and the most reflective. Traditional oil-based gloss has a beautiful depth of colour but yellows over time, particularly in rooms that get little natural light. Modern water-based glosses stay whiter for far longer and are worth the small extra cost.

Use gloss where durability matters most and the surface area is small: skirting boards, door edges, radiators, front doors and kitchen cabinetry. Full gloss across a whole wall is a strong statement, and it will expose every flaw in the plaster, so it works best on new, well-prepped surfaces. In small doses, though, it is a lovely way to lift a room.

Matching sheen to the room

A simple starting point for a typical British home:

• Ceilings: matt emulsion, always. It hides hairline cracks and keeps the room feeling light.
• Bedrooms and lounges: matt or scrubbable matt on walls, with eggshell or satin on the woodwork.
• Hallways and stairwells: hard-wearing matt or eggshell. These are the most knocked-about surfaces in the house.
• Kitchens: eggshell or satin on walls, with a washable finish near the hob. Gloss or satin on cupboard doors.
• Bathrooms: moisture-resistant eggshell or satin. Standard matt will struggle with steam and condensation.
• Children's rooms: scrubbable matt or eggshell, and keep a small tin of the wall colour for touch-ups.
• Exterior woodwork: exterior gloss or satin on doors and frames, and a masonry finish suited to the wall's porosity.

Getting the sheen decision right

Light changes everything. A colour that looks soft and inviting in the shop may look flat and gloomy in a north-facing room, because matt absorbs what little daylight arrives. Higher sheen reflects more light and makes a colour look richer and more saturated, which is why the same paint can appear quite different in matt and eggshell.

Buy tester pots and paint them onto a piece of card or lining paper rather than straight onto the wall. Move the sample around the room through the day, and look at it in the evening under your actual lighting. This takes an afternoon and saves a repaint.

Mixing sheens within one scheme is a classic and reliable trick: matt walls with eggshell or satin woodwork give a room depth without feeling busy. A newer approach is using one colour in two finishes, matt on the walls and a low-sheen eggshell on the trim, for a calm, contemporary look.

Finally, preparation matters as much as the tin. Sheen exaggerates whatever is underneath it, so fill, sand and prime properly, and always apply the recommended number of coats. Buy enough paint for the whole room in one batch so the finish is consistent, and remember that a well-chosen sheen will keep looking good long after the novelty of a colour has worn off.