In article , Rick
writes
I have just ordered my windows after a big search.

The people making them have now said I need trickle vents - but do I.

The ones most people fit are horrid plastic things that look OK in
UPVc but terrible in real wood.

Is there anything I can do to avoid having trickle vents ?

Does anybody know of nice brass trickle vents, that I can fit myself ?

I think there is a requirement for trickle ventilation but the source doesn't
need to be the windows*, it just happens that this is normally the most
convenient place for it.

Is this a supply only job, a supply & fit by fensa approved, a job already
involving building control?

If it is a fensa job then tell them that the ventilation will be provided by other
means. In the very unlikely event that the fitters notice then tell them that
there are wall vents going in later. If you have a BCO involved then you will
have to do something but will be able to put in your own pretty ones or
may be able to provide an alternate source of ventilation, ask him/her.

* Sorry I don't have a reference to support this belief so please do your own
homework to support it.
--
fred