By Anna Moloney Labour has announced exciting new plans for 1.5m desperately needed new homes, but some are determined to get in the way. Here’s City A.M.’s guide to how to be a Super Yimby and get Britain building again It’s a renter’s worst nightmare. First, the fences go up around an unassuming plot of vacant land in an area ripe for new development. Almost within seconds, someone on Nextdoor has noticed. The placards start appearing. A local meeting to launch a petition is called. John from Guildford, who inherited his home and works in oil, develops a sudden and intense interest in the lo…