I mean, I'm not saying I like it, but it probably looks much less garish IRL.
The estate agents have clearly taken the photos on an overcast day, then (with their usual cack-handed approach to photography) fucked with the sliders in Photoshop until the pictures look less dingy.
They say Art Deco, I reckon it is more Louis Quatorze. Imagine going all highfalutin like that and your "kitchen" is just tagged on the side of your living room like a commoner.
I think it’s the block of flats that’s Art Deco rather than the interior of that particular one, which is as you say more Louis Quatorze. If he’d been from Essex.