There must be a minimum of 50mm from the cutout to the front of the worktop and a gap of 120mm between cutouts.
Corian® splash backs and upstands over 100mm high must have a min gap from the face to the rear of the hob, 50mm (minimum) is required behind an electric hob and 150mm (minimum) for a gas hob.
The compulsory method for installing square hobs is the high-strength cutout patented by Dupont™. Hobs must be integrated into a Corian® worksurface, according to specified guidelines.
A minimum of 50mm is required between two sink cutouts. Sink cutouts must be placed a minimum of 80mm from the worktop front edge.