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We have wet UFH in the new kitchen extension and the upstairs bathroom, rads everywhere else. Couldn’t afford to install UFH in the living room, as to make it work effectively you’d need to completely replace the suspended floor with a filled-in insulated slab and screed. Every house I’ve been in with retrofit UFH between joists in a suspended floor has felt sub-optimal, requiring high flow temps and not retaining heat as a slab & screed would.
This might be the deal breaker, as I think at the very least (to get it work efficiently as you describe) we'd need to break out the solid floor and insulate, even with no UFH. I need to look into costs I don't mind doing some of the grunt work, but I'm under no illusion that it'll be cheap. Of course it'll bring benefits what ever heating system we use and surprisingly my wife is quite up for spending money on it, but as I say, we've not had quotes yet. Will need to level for existing floor anyway so I guess that's a small saving.
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Polygon
ectoplasmosis
I mean the ‘column’ faux iron style, as per the attached pic. They come in all sorts of shapes, including vertical. They’re all fake news with regards to actual vs quoted heat output, and vertical rads are much worse than horizontal due to convection and fluid dynamics.
We have wet UFH in the new kitchen extension and the upstairs bathroom, rads everywhere else. Couldn’t afford to install UFH in the living room, as to make it work effectively you’d need to completely replace the suspended floor with a filled-in insulated slab and screed. Every house I’ve been in with retrofit UFH between joists in a suspended floor has felt sub-optimal, requiring high flow temps and not retaining heat as a slab & screed would.
We insulated under the floorboards in our living room with 150mm mineral wool.