This is suitable for a canopy extractor that fits into the underneath of the cabinet like the SMEG model below.
Make sure that this cupboard is 100mm wider (50mm each side) than hob.
The gap between the worktop and the underside of this cabinet is 760mm. You must make sure this is compatible with your hob manufacturers instructions.
Make sure your cupboard has enough height for extractor and ducting.
Up to 800mm = 1 panel 801mm - 1400mm = 2 panels