What is "pebble-dash"

Usage examples of "pebble-dash".

All around were four- or five-story brick buildings, their brick all leached and streaked with many years' weather, tired-looking: scattered among them were council housing, ten-story blocks of flats done in pebble-dash and painted concrete, looking just as weary.

She ran through the side streets, beneath white fluorescent teats which dangled beneath lampshades, past detached houses encrusted with pebble-dash and whitewash.

The minicab drives slowly down a narrow street of pebble-dash semi-detached houses.