There’s an awful lot going on with Heathrow at the moment with its plans to build a third runway and changes to flight paths. This consultation is about its plans to build a third runway. If you want to find out exactly what is being planned and make your views known on these plans visit their website.
If you want to raise objections one useful site is from the No 3rd Runway Coalition Another useful site is that of HACAN which campaigns for people living under the Heathrow flightpaths.