Garden walls Decorative and structural walls. We build brick walls, from reclaimed Belfast brick to Tobermore decorative brick. We build feature walls finished in cladding, sand and cement renders or dashed. We build retaining walls to stabilise banks or create level areas. Brick walls for landscaping in Belfast by Greenscape NI. Please note: You are currently browsing img 50mm polished white pebbles quarrystore, belfast that is 800x450px in size. This image is listed in decorative garden stones belfast category. Brick walls for landscaping in Belfast by Greenscape NI, 800x450 in 571.10 KB.