I saw a 2011 Astra J offered for sale with this dash set up.
Is this a high end dash option or is it aftermarket?
It certainly seems less cluttered.
I'm guessing aftermarket as the side vents don't match the console vents.
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There's the black double din fascia.
I think they do kits with everything you need too, including the patchleads and the steering wheel control kits.