Does this conservatory meet building regs?

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No external doors to the conservatory from the house it seems but also looks like the radiators in the conservatory connect to the main heating system?

Was there exemptions at certain points or for particular properties?

https://www.rightmove.co.uk/properties/162300374#/?channel=RES_BUY

is that roof glass…?

I think without external grade doors between the house and the conservatory, it has to meet certain energy efficiency standard to meet Building Regs. As it has a glass (or perspex) roof it's unlikely to meet those unless it is something like triple glazed thermal glass.
You could resolve it by reinstating the doors.

I thought it looked like that perspex stuff, or whatever its called.

The plastic roof will be very noisy when it rains that's for sure but I would think that would be the least of your worries with the extremes of temperature you will be feeling all year round.

The question should be: did it meet regs when it was built? This is something the sellers will need to provide.
I added a conservatory to my house and it had a higher percentage of glass (the walls were glass down to a low brick wall) and no doors between it and the house. I sold it around 2001 and no one mentioned the lack of doors. I recently sold another house which I had added an ‘orangery’, as though it had a glass roof and two sets of full length double glazed doors plus two windows the percentage of glass to wall was lower so it wasn’t a conservatory. It had a regular door between it and the kitchen. I had a completion certificate for that.
With solid walls I’m not sure how the extension on the linked house would be categorised but if it passed regs when built it’s fine.

Well thats what Im asking really, when were the regs different (if they were) that would allow for that, because I see tons of conservatories on houses like this.

Approx 2002/3.
I'm not sure of the exactly date, but ours was built summer 2003 and they had very recently changed.

Quite a few people build them and then remove external doors, which it looks like they might have done here. Also I think it might be OK to have a radiator connected to the main loop if it can be isolated and shut off if it gets cold, although I am not sure about this rule?

Oh thats interesting about the radiator I didnt know that. Good point to look out for.

I personally wouldn’t buy it due to it just drawing all the heat from the rest of the house.

No I do have to make a disclaimer that Im not searching for a house to buy, I just pick random places and like to look at property in the area and I stumbled on this one and wondered about the layout.