polished concrete cost per m2
Polished Concrete Prices. Polished concrete pricing and cost per square metre for concrete polishing can range from as little as Â£20 to as much as Â£150 per metre square. Additionally polished concrete overlays with exotic aggregates could add further costs of Â£10 to Â£50 per metre.ypically, concrete is not considered polished before 400 grit which is known as honed concrete, polished concrete is normally finished to either the 800, 1500, or 3000 grit level depending on the shine and reflection specified.