If your home was built by Crest Nicholson there is a high chance you have a product in the Ceiling that was made by PhotonStar® this product was made in the UK and is now made by Seren Lighting. Crest selected one of the most effective and reliable lighting products each built to high quality standard consisting of three main parts. With the green loop in loop out conector, this allows a tool-less removal of the light from the ceiling, a carefully designed LED driver that controls the power to the LED light and finally the light itself. These lights are in a sealed unit and installed in bathrooms and kitchens! The bathroom lights are specially rated to IP65 (to be used in wet locations). Both lights are also rated for fire protection, maintaining the fire barrier if such an incident should happen.
The Build spec on these lights is fixed to: White Bezel 3000K LED colour wide beam and diffused lens and 2 choices of drivers.