A pool surround has to balance safety, durability and appearance under constant exposure to water, sun and bare feet. Expect slip resistance to drive the finish selection, with textured options such as exposed aggregate, stencil or stamped concrete generally preferred over smooth trowelled surfaces for exactly that reason. Falls need to move water away from the coping and out of the surround rather than letting it sit, since standing water is what produces the slippery patches and algae growth around a pool edge.
Newcastle summers put serious UV and heat into a pool surround, and pool chemicals do the rest, which makes sealing more than cosmetic here. It protects colour, resists staining and keeps a high-use area easy to clean. A well-chosen finish also links the pool area into the wider outdoor design, tying patios, pathways and landscaping into a single scheme.