Has anyone had a conservatory built and broke through an external wall ?

[IlanaK]

I am looking at buying a house that would need a conservatory added to the back (where there is a tiny kitchen that sticks out) to make a larger eat in kitchen. So we would need to break through the external wall of the kitchen.

Has anyone this? How easy/hard is it? I assume you need planning permission? And roughly how much did it cost?

Thanks!

If you want the tiny kitchen to open out into the conservatory then yes, you'll need to knock through that wall.

You shouldn't need planning but, as you're knocking through the external wall, you will need building regulations approval (from the council)and your builder should advise you of this procedure.

If the conservatory is going to open out into the main house with no doors between it and the house/kitchen itself - then you'll need SAP calculations (energy efficiency of the building) and this is all part of building control.

It's easy with a good builder although NO idea how much it would cost as that will depend on size, structual work that is thrown to light. HTH

Thanks for that. There are glass doors to the living room that would divide the conservatory from it.

Yes. We didn't need planning. Going back 11 years now the whole project const around £20 to £25k (N. Yorks). That included an architect who project managed it for us. Nowadays it'd obv. be more.

They built the foundations and frame of the conservatory first, then put this massive lintel in and took the wall out when we went away for a few days to avoid the worst of the dust etc.

If there are glass doors dividing the two spaces, it's easier to get building regs approval as they'll form some kind of insulation.

Whole conservatory needs to be less than 30 sq metres to be exempt from palnning permission, which is still quite big, tbf.

Ah - yes, as Marymotherofcheeses says....that'll mean it forms some kind of insulation - so no SAP calcs!

There is quite a bit of good into on this at the gov. website.

I don't think you need building regs if there is an external door between the two, and the heating isn't on the same system (ie central heating)