Underfloor heating for half a room?

14 April, 2019

So we're having an extension done which will extend the living room and kitchen later this year.

Initially we wanted wet underfloor heating throughout both rooms, however we do not have the budget for that unfortunately due to the cost of retro-fitting it. We considered electric UFH in the existing section of the room and piped in the extension part, however due to running costs, we decided that we'd never turn on the electric UFH, therefore it was pointless.

So now I'm left wondering...

Is it worth having part of a room with wet UFH? and a radiator to help heat the other sections of the room?

or.... would it just be better to get rid of the UFH entirely? would it seem strange having UFH in only part of a room?

We're planning on having LVT flooring, so it would conduct the UFH well.

(the exact layouts of the units etc are likely to change)

Comments (4)

rinq
Look for an online calculator on how many watts you'll need for the m3.

We have both a radiator and wet underfloor heating in our bathroom. Since it's just a small area we've bought a special thermostatic for the floor, it now functions as a regular radiator, water that goes through never gets hotter than 40C. But with a bigger floor surface it'll need it's own pump, because the central heating boiler can't 'push' that hard. No big radiators ànd a warm floor is a win win situation I'd say.

When choosing electric heating, get some solar panels on your new roof. It is what we'll be using in our new extension (just a 2.4x4m room).
14 April, 2019
Sonia
I’m no expert but that sounds feasible. My step daughter had electric UFH in her kitchen/diner, but after a few months only part of it was still working, so she has done that without intending to!
15 April, 2019
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Hi Gabby, Well after a bit of research and speaking to my electrician re the infra red panels, it was decided to give them a miss. However, that then meant that we had not planned for UF heating so we ended up having to have high output rads on what few walls we had left! Bit of a pain really. We have pipes going to the island if we ever want plinth heaters (although they are a bit noisy as operate using fans - even for the plumbed in ones!) to give us more heat in the middle of the room. To be honest, the rooms are quite warm during the winter days when the sun is out so we only have to worry about evenings and cold winter where our log burner will be on anyway. If we could go back, we would have had wet UF heating put in the new extension. Wouldn’t bother with electric as too expensive and cheaper just to have rads put in
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When we moved into our house we turned off the monumentally expensive electric UFH that the previous owner had running 24/7/365 in our large open plan kitchen,dining living. British Gas demanded an engineer be sent to view our meter within a month as they had decided that we, the new owners, must have broken or bypassed the electric meter to get free power as the meter was no longer spinning like a top! We now have good old central heating radiators installed - when we put these in we found the foam insulation for the electric UFH was burnt in some areas where the previous owners had sofas and furniture that sat close to the floor! We love the warmth in the room now, the fact that you can warm yourself by a radiator after a cold trip outside and the slowly turning electric meter!
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Gabby
Rinq - Perfect, I think you're right, having the warm floor over a large area will still be really nice. Good idea about checking the calculator for the heating requirements. We're being given some hydraulic plinth heaters, including one on the island, facing towards the living room which will heat both rooms up as well. and we can obviously turn them off if not needed/excessively noisy (although I've purposely chosen mostly the quietest ones) Unfortunately I don't think we've got the funds for the initial outlay of solar panels. Maybe in a few years, But yes, I think we'll have enough heat output for the space but just wondered if it was too "weird" to have only part of a room with UFH.

Forzaitalia - I'm sorry to hear your step-daughter's electric UFH stopped working! that must have been so frustrating after the cost of buying it and installation! Did she manage to claim her money back under warranty?
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Erika Interiors
We use electric UFH in 2 rooms and the running cost of it is next to nothing whilst the benefit is huge. It's the only heating in our kitchen. I think if it's good quality and installed by an experienced team with warranty it should be fine. The latest technologies available are quite easy to fit and the running cost is very low actually. I suggest you go into specialised stores and so a bit more research on your options & cost. Hope that helps!
16 April, 2019

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Underfloor heating for half a room?

Comments (4)

rinq

Sonia

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