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Shower room extractor fan.

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I'm changing my bathroom into a shower room and am installing a shower room extractor fan. Am I correct in understanding that the fan is a notifiable installation and cannot be carried out by myself?
 
It is notifiable to LABC, that means more expensive to DIY, but does not stop you. If you need to get planning permission anyway, then you can just add it on.

My parents turned a pantry and toilet/coal house, into a wet room, that needed planning permission. Since done for mother's disability, no charge. In Wales for first £2000 worth of work, £100 plus vat.
 
I'm now reading about ventilation, the need to draw air into the shower room. It is a fairly well sealed room, although I could take some off the bottom of the door. However we have an open gas fire in the living room, the same ground floor as the shower room, with no other room vents. Does that create another problem?
 
Definitely increase the gap under the door, for any fan to work you need a minimum 6mm gap under the door, so the fan can draw dry air into the room and allow the extractor to do its job

Don’t fit a cheap fan is my advice.

Is it in the ceiling or the though the wall ?
 
Through the wall, not enough joist height to fit in the ceiling and out that way, it's a downstairs room.
 
However we have an open gas fire in the living room, the same ground floor as the shower room, with no other room vents. Does that create another problem?
If there really are no other vents, then you already have a problem - that of the gas fire billowing toxic combustion products into the room.
Open flue gas appliances require substantial ventilation to allow air in to the room.
 
I'm changing my bathroom into a shower room and am installing a shower room extractor fan. Am I correct in understanding that the fan is a notifiable installation and cannot be carried out by myself?
It is only notifiable if it is within the prescribed 'zones' of the room - which, in this context, essentially means less than 2.25 metres above finished-floor-level. If the extractor would be higher than that, its installation would not be notifiable, so you could do it yourself without the need for notification

Of course, even if it were notifiable, you (or anyone else) could do the installation, together wth the necessary notification - but that would not be cost-effective (and probably would be a hassle!).

Kind Regards, John
 
If there really are no other vents, then you already have a problem - that of the gas fire billowing toxic combustion products into the room.
Open flue gas appliances require substantial ventilation to allow air in to the room.
The fire has been there for some years, fitted by a reputable company, it flues directly up to the original open solid fuel fire chimney pot. At the time of instalation the installer said a an exterior vent was not required for the particular gas fire.
 

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