extractor fans in kitchens

[blenki]

Hi , my sister is having a new kitchen fitted soon and i am doing the wiring for it , id just like to check if an extractor fan must be fitted that vents to the outside air , as it stands im not sure on the situation.cheers

 

[Spudnik]

and which wiringregulation deals with fan type then?

Part F which is referred to in the regs.

Doesnt refer to type of extractor, only that one should be fitted.

 

[lister]

so as i said in the first place recirculating or external extract, as its not a new build so you can fit whichever you like and mr bco can whistle.
(or am i still missing something)