We can still petition...but there is not much time left

Any individual, group of individuals or organisations whose property or interests are directly and specially affected by any of the proposals in AP2 may submit petitions against it. The petitioning period will start on 15 February 2019 and will close at 13:00 on 15 March 2019. 

Petitioning guidance can be found on the Select Committee website, at the following link

Source: https://www.gov.uk/government/publications...