Find experienced local carpenters in Lewisham NSW

Our induction cook top was not installed correctly and we need to modify the kitchen joinery to allow for more air ventilation. There are two key changes. 1: Need to cut a hole out of the kicker under the oven and install a ventilation grill (I can supply the grill) 2: Need to see if we can retrospectively expose a small gap between the oven and countertop. There is a small board above the oven which I think could be removed and something done in this space but need someone with expertise to advise what is possible. The benchtop is Cesarstone however the white board under it is wood. Happy to negotiate final price as no idea what this would cost

I have a large linen closet. I now want to access it from the adjoining room. I need the plywood at the back of the cupboard removed and a basic architrave (frame) to tidy it up. Measurements of the plywood ( and the open space requiring a frame) Height. 2.36 metres Width .71 metre