Oven, hob and microwave electrics query

[Craigy117]

So, I'm basically going to be fitting a new kitchen soon and the appliances are all hardwire/integrated ones.

It will have:

Built in hob (Matrix MHC201FR - Black 4 Zone Ceramic Hob (recommended 30a supply - 4mm2 cabling minimum according to instructions)

Built in oven (Beko CIMY91X (says 16a online - minimum 1.5mm2 cabling according to instructions))

and a separate built in microwave (AEG KMX525060M (also says 16a online - doesn't say wire thickness required))

EDIT: this microwave/grill is probably going to be changed to a standard plug in Microwave meaning I can just use a fused switch

Currently I have a cooker supply on a 32a breaker (6mm2 cable I believe) with a single connection point in the kitchen behind existing cooker which is where the new hob will be, so think that will be okay.

The oven and microwave will be in a cabinet 1-1.5m away from that original outlet along the same wall.

My questions are:

1) Can I splice in to the ring main (which is 2.5mm2) and run a connection point for the oven and another for the microwave in the cupboard they sit in?

Or

2) Can that existing outlet be extended with another isolator switch for a new connection point for the oven/microwave or would it require a change of rcb/wiring?

Or

3) any of you lovely lot got other ideas for this?

I can do the chasing work if that makes things any easier I'm just trying to plan ahead for a sparky (who has yet to come back to me)

I have attached a picture of the kitchen design we are going for

Thank you in advance and sorry for the ramble but I've tried to be as helpful as I can

 

[Murdochcat]

Put the hob and microwave on the 32A radial and plug the oven into the ring circuit

BUT get the sparky to look first

 

[Craigy117]

Put the hob and microwave on the 32A radial and plug the oven into the ring circuit

BUT get the sparky to look first

Could I put a double oven outlet in place of the existing single one and put the oven and hob on that then get a normal microwave and just use a standard plug on that? If the oven radial is man enough that is. Would obviously have it checked by a sparky first but figured that might be an easier alternative