How to heat our bathroom

Tabby_cat

Hello All,

Not sure if this the right place to post so please move if there's a better place for it.

We are contemplating extending our bathroom and need some advice. We live in a 2-up-2-down end of terrace house, about 140 years old. We have an extension for the kitchen and shower room which was done 40+ years ago, before we owned the house.

We're thinking of extending the extension and need help with how to heat the shower room which has 3 external walls.

Currently, our main heat source is a multi fuel burner in the open plan living room. This generally heats the house sufficiently. We have electric oil filled radiators for bedroom and shower room. They rarely get used in the bedrooms but are essential in the shower room. It is fully tiled and gets quite a bit of mould on the ceiling.

We have gas installed but only use for cooking.

So, my questions are:

1. Is electric under-floor heating the way to go?

2. Can under-floor heating be installed in the existing shower room area which has a wooden floor? I'd guess not.

3. Would it be sufficient to heat the shower room with under-floor heating installed in the new area only as this could be constructed with a concrete floor. (The current shower room is about 2.2x3m, the new extension would add an additional 2.2x2m approx.).

4. What would you suggest to heat the rest of the room?

5. How much would it help to convert the flat roof to a pitched roof? Would we solve the ceiling mould?

6. Or would installing more insulation provide the same solution?

Sorry there are so many questions.
Many thanks for your interest and I look forward to hearing from you lovely experts out there.

WhoIsThat

Tabby_cat wrote: »

Hello All,

Not sure if this the right place to post so please move if there's a better place for it.

We are contemplating extending our bathroom and need some advice. We live in a 2-up-2-down end of terrace house, about 140 years old. We have an extension for the kitchen and shower room which was done 40+ years ago, before we owned the house.

We're thinking of extending the extension and need help with how to heat the shower room which has 3 external walls.

Currently, our main heat source is a multi fuel burner in the open plan living room. This generally heats the house sufficiently. We have electric oil filled radiators for bedroom and shower room. They rarely get used in the bedrooms but are essential in the shower room. It is fully tiled and gets quite a bit of mould on the ceiling.

We have gas installed but only use for cooking.

So, my questions are:

1. Is electric under-floor heating the way to go?

2. Can under-floor heating be installed in the existing shower room area which has a wooden floor? I'd guess not.

3. Would it be sufficient to heat the shower room with under-floor heating installed in the new area only as this could be constructed with a concrete floor. (The current shower room is about 2.2x3m, the new extension would add an additional 2.2x2m approx.).

4. What would you suggest to heat the rest of the room?

5. How much would it help to convert the flat roof to a pitched roof? Would we solve the ceiling mould?

6. Or would installing more insulation provide the same solution?

Sorry there are so many questions.
Many thanks for your interest and I look forward to hearing from you lovely experts out there.

Welcome back to MSE after 3 years :rotfl::rotfl::rotfl:

I would suggest the way to go would be to use the services of an independant heating engineer, if the architect can't assist you.

Cardew

Any form of electrical heating will cost the same to run, e.g. the cost of heat produced will be the same regardless of type of heater; I would be tempted to use a cheap oil filled radiator.

WhoIsThat

Cardew wrote: »

Any form of electrical heating will cost the same to run, e.g. the cost of heat produced will be the same regardless of type of heater; I would be tempted to use a cheap oil filled radiator.

But the extention to the extension may need less heating if it is better insulated

Tabby_cat

Many thanks for your interest.

@Cardew. I understand the costs to run would be the same. I've read that numerous times on this forum. What I'm wondering is, is the cost of installation of under floor heating worth it? I've only experienced under floor in hotels which tend to be warm generally. With 3 outside wall's to our shower room, would you say I'm wasting my time?

Again, thanks in advance.

Cardew

Tabby_cat wrote: »

Many thanks for your interest.

@Cardew. I understand the costs to run would be the same. I've read that numerous times on this forum. What I'm wondering is, is the cost of installation of under floor heating worth it? I've only experienced under floor in hotels which tend to be warm generally. With 3 outside wall's to our shower room, would you say I'm wasting my time?

Again, thanks in advance.

Underfloor heating(UFH) is usually low wattage and needs to be on for a long time - sometimes 24/7 - to bring the bathroom up to an acceptable temperature.



Without knowing the heat loss from your bathroom, and with 3 outside walls it will be high, it is impossible to know if UFH will cope.