Also any projects seem to run over budget and way over time... Example the Thameslink programme due to be completed in 2018 was originally called Thameslink 2000. Shows you how much it has been delayed. The logical decision is to build a runway on Boris' mop and power it from the hot air coming from his mouth.
I second your statement and being across the pond and living in NY, any decision becomes bloated due to unions, mismanagement and corruption. This is due to bidding and the few major construction companies here in NYC know exactly how much a project would cost them due to their extensive experience. So they lower their bids on purpose and then blame the unions or strict deadlines to cover the rest of the expenses. While my knowledge of UK politics is somewhat limited, I expect no less from the Empire.
It's a shame for residents that live in Heathrow's shadow to be displaced. I'd feel angry in their position too, but the fact is, just as with JFK and LGA over here, we live in a big city. At some level, you have to compromise or move out. The airports have been here for far longer than you have, most likely.