My windows are full of these spiders that come out at night. I can't even open my windows at night as there are at least a dozen of them. The spider in the picture is one of the smaller ones, they are at least 10 times bigger than this one.
If it is a false widow, what can I do as I'm too scared to open my children's windows.
Are these definitely all of the same spider? Unfortunately the photos aren't all in focus and it looks like the 3rd one could be a missing-sector orb weaver (Zygiella x-notata being the likely candidate, if it is). The first 2 photos do look like they are of a noble false widow (Steatoda nobilis). See here for more information on both species:
They are not all the same spider but all have the same markings. It is hard to get a decent picture of them as they live in my sash windows and only come out at night.
I have 10 windows in my property and have at least 5 and more living in the window frames.
OK. The missing sector orb weavers are often mistaken for false widows, and are also commonly found in or near window frames - see the photo at the top of this page to see if it looks like any of the spiders you are seeing:
However, the 1st and 2nd photos could well be noble false widows, particularly if you are living in the southeast, where they are becoming more common:
N.B. The markings of the noble false widows can vary from spider to spider so they may not look exactly like the one in the photo on that page.