It looks enough to me, but I'd put hob off-centre to give more usable space on island.

What is tall unit on right of back wall? Looks weird

It's a wall unit with a glass door, for our glasses, but moved forward so it's flush with the rest of the units.

Would you move the hob closer to the sink?

Do you have a blank space/void in the corner on the base?

I can see it’s a Wren quote. Read their reviews on Wren Kitchen Disasters before dealing with them. Customers are having a nightmare with damaged and faulty goods. Look for an independent that will do your design.

There are a few things you could do

1. Put hob off centre, means more space to work on. Nearer the sink if you feel. I note wren always put everything central
2. Put the hob at the end near sink
3. Extend island, there should be enough clearance

On another note, I'd really recommend you compare your wren design against DIY kitchens for price, we were quoted around the same as you but with a bigger island & DIY kitchens came in under half with appliances sourced elsewhere, and the quality is amazing

I'll have a look at DIY kitchens again but I find their website confusing. There doesn't seem to be any way to design a kitchen other than by ordering individual units, and I don't want to mess it up.

I always try and have some worktop space beside the ovens so you can take heavy items straight out of the oven and onto the worktop without having to walk round the kitchen or turnaround, also I'd infill the towers up to the ceiling so there's no dirt trap above the towers (possibly taller towers depencing on the ceiling height). The glass wall unit and top box in the corner doesn't really work. I can't see any extraction on the plan.

I'd seriously consider getting a local independant supplier to come up with a design as they will have a bigger choice of door styles and sizes, bigger choice of cabinet sizes not just in height but depth as well, colour co ordinated choice of cabinets (to match the colour of the doors on the island). More worktop choices (or look on line for your own and find a local quartz? supplier), also look on line to source your own appliances. For the price i see of over 19k i think you can definitely make savings.

I had a kitchen layout very similar to this. I dont think you need a space of 130+ cm between island and base units. I would reduce that to 100 cm if you feel the sink is too far away. I had my hob offset in the island, approx 200mm to the left of the hob. This left a much bigger and efficient worktop. I didnt have any safety issues with the hob in that position.

Mine is very very similar (literally just been installed.

I am attaching the plan and a photo or two.

Agree that you could have a slightly bigger island. You could look at moving you hob towards one end of the island too.

I have a larder cupboard with worktop in that (along my tall run): that houses the coffee machine and toaster.

We do have the extra boy on the top right, but that is likely to be fairly under used: husband wants to put the microwave in that corner… I would rather have it in the utility 😁

This is our end cabinet: the worktops continues and there is basically a larder top sitting on top - so the bread maker and food processor can “slide” (well be easily lifted) along the worktop…

(double socket inside the cupboard)

Not “the extra boy” but “extra worktop”!! 😂