What's been waking me up early in the morning for the past six months

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My flat's are being renovated for the first time since they were built some thirty years ago. They're replacing the kitchens, bathrooms re-wiring the electrics, putting in new lifts and swapping out the soil pipes. All of which I'm grateful for.
However, this noise is now my least favourite sound after being woken up pretty much every morning by the sound of drilling that vibrates through the whole building. I live next door to a club and a train station, this is worse than both of them combined. The recording really doesn't do justice to just how annoying this sound is. It sounds like a very large and flatulent drunken hornet that's been drinking wife beater for the entire day and has just come home to holler abuse at the tower block because he forgot his keys and everyone's gone to bed.