To object on line click http://goo.gl/bjwCLy.  Either way you will find a link enabling you to make comments on line.  Otherwise Google (or whatever) search ‘Camden Planning Search’ and enter the reference 2015/1444/P.  This closes on the 7^th May.  After that you should email the Planning Officer Kathryn.Moran@camden.gov.uk.  You can look at the documents at http://goo.gl/bjwCLy.