Materials

Materials that age well

9 November 2026

Some finishes look better after ten years, others only look tired. The difference is mostly about water.

A building is photographed on the day it is finished and lived in for decades after. Choosing materials for the second part means asking how they will look when they are weathered, stained and repaired.

Materials that weather gracefully

• Lime plaster - breathes, takes repairs without visible patches and can be limewashed again
• Untreated larch or cedar cladding - turns silver-grey and needs no paint
• Fired brick and natural stone - patina hides dirt instead of showing it
• Copper and zinc - change colour once, then stay stable for generations

Materials that need care

Painted surfaces, thin renders on foam and composite panels look sharp at handover but show every streak and repair. They are not wrong, but they commit the owner to maintenance on a schedule.

Detailing decides

Most ageing problems are water problems: a coping without a drip, a sill without a fall, a plinth splashed by rain from a hard surface. Good overhangs and drips protect a cheap material better than an expensive one is protected by a poor detail.