puzzled by rain water leak around window

[AndyJay]

hi all...
I'm becoming very frustrated with my landing window
I've had rain seeping in around the recess of the windowsill (right and left hand vertical sides of recess).
I've sealed everything i can see as a possible cause outside and waterproofed the whole outside wall.
I've had a builder out who seemed baffled by it and suggested i got in touch with a window company.
The window company seemed baffled too and suggested a new window, but couldn't guarantee that would fix the problem.
I'm a complete loss as to what to do next.
It's an average sized double glazed landing window which was already in when i moved in to the house (about 10 years ago). It doesn't have any opening windows, its just one fixed window.
Can anyone help with ideas please???

Thank You
Andy

 

[foxhole]

Whats above the window, all my property leaks were caused by a parrapet wall allowing rain to soak thru to the inside [had no cap stone until I replaced].

 

[s60tsy]

could be when drained water from in the frame drops through to the cill then drains sideways instead of dripping out and off the cill. It wouldnt be dear for a new landing window, price up a new one stating that you dont want it having the same prob

 

[AndyJay]

Thanks guys

foxhole there's concrete lintel above the window.

s60tsy sounds plausible. How much should a new one cost?
I've been quoted £415

Thanks again
Andy

 

[s60tsy]

How big is the window

 

[AndyJay]

s60tsy it's just a single windows with no opening window.

It's about 1000mm x 900mm

Andy

 

[s60tsy]

You should be able to get it done for less than 250 fitted in white

 

[AndyJay]

thanks again s60tsy

I've got another company taking a look this afternoon.

I'll update later and thanks again

Andy

 

[DHFrames]

It's possible that when the rain drives in it hits the lip on the back of the sill and then makes its way to the ends, if silicone hasn't be applied at least to the end of the sill before the window sits on it, that rain will penetrate through. A lot worse if you have solid walls with no cavity

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• DHFrames
• 30 Oct 2013
• 4