Last year I had replacement windows fitted by an installer registered with Fensa (which I checked via the Fensa web site). I used them previously in 2004 - and a Fensa certificate was sent fairly quickly.
The original wooden windows that came out of this installation had plastic vents at the top (trickle vents I believe) which we generally had closed. The new windows fitted do not have these vents at the top but instead can be locked in a slightly open position allowing venting.
I ask because Fensa want to send round an inspector. I was working on the basis that if I used a Fensa registered installer the compliance with building regs came sort of automatically.
Is the two stage opening system - ie. that the window can be locked in a slightly open position an acceptible alternative to trickle vents or am I now not building reg compliant ?
Strictly speaking you are not. Current regulations require trickle vents in all apartments and you've taken yours away therefore you are not compliant. If the original windows didn't have then you would have made things any worse but they did so you have!
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