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Topic Title: extractor fan requirement
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Created On: 21 January 2014 03:26 PM
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 21 January 2014 03:26 PM
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goldenboy1818

Posts: 475
Joined: 22 February 2011

Hi I just wanted to check something. Going through a rewire and in the upstairs bathroom there is currently no extractor fan just a large window. Client is adament he does not want one installed while the rewire is going on. I take it this is ok as im not making the installation any worse than it already was ?

Thank you
 21 January 2014 03:30 PM
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aligarjon

Posts: 2818
Joined: 09 September 2005

if its an existing bathroom there is no requirement. if its a new bathroom there would be.


Gary

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Specialised Subject. The Bleedin Obvious. John Cleese
 21 January 2014 03:47 PM
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goldenboy1818

Posts: 475
Joined: 22 February 2011

thats what u thought, thank you
 21 January 2014 07:49 PM
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Grumpy

Posts: 427
Joined: 09 January 2009

Originally posted by: aligarjon

if its an existing bathroom there is no requirement. if its a new bathroom there would be.





Gary


Hi Gary,
My understanding is that if there is an opening window then no extractor fan is required. Is this now wrong?
Grumpy
 21 January 2014 08:04 PM
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Avatar for OMS.
OMS

Posts: 19593
Joined: 23 March 2004

Originally posted by: Grumpy

Originally posted by: aligarjon

if its an existing bathroom there is no requirement. if its a new bathroom there would be.

Gary


Hi Gary,

My understanding is that if there is an opening window then no extractor fan is required. Is this now wrong?

Grumpy


For existing, or no matrial change of use, then that's fine.

For new build, or a new bathroom in an existingbuilding (say new en suite for example) then itshould have ventilation in accordance with any of the methods in Approved Document F - one of which is natural stack ventilation amongst other mechanical ventilation approaches. Basically it has to shift 15l's from the wet area

A simple opening window won't comply these days

Regards

OMS

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Failure is always an option
 21 January 2014 10:16 PM
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aligarjon

Posts: 2818
Joined: 09 September 2005

Originally posted by: Grumpy

Originally posted by: aligarjon



if its an existing bathroom there is no requirement. if its a new bathroom there would be.











Gary




Hi Gary,

My understanding is that if there is an opening window then no extractor fan is required. Is this now wrong?

Grumpy




It used to be if it was just a W/C then an opening window would be acceptable. I don't think that has changed.


Gary

-------------------------
Specialised Subject. The Bleedin Obvious. John Cleese
 22 January 2014 04:34 PM
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Grumpy

Posts: 427
Joined: 09 January 2009

Ah! Thanking you. All this "used to be" is starting to make feel old!
 23 January 2014 09:20 AM
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Grandfortune

Posts: 350
Joined: 10 April 2007

Trying to find where i read it but i think even a W/C now has to have extraction

Cheers
|Grand
 23 January 2014 10:07 AM
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burn

Posts: 125
Joined: 06 June 2003

Building Regs Part F cover ventilation. Available free on the planning portal of the government website.

burn


 23 January 2014 11:38 AM
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Parsley

Posts: 990
Joined: 04 November 2004

You need ventilation in a new build WC sanitary accommodation or where a new sanitary accommodation is provided.
6 l/s is required.


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