How do I remove the polygons from the map?

If you have performed a search, and no longer want to view the map with the polygons, you can very easily turn these off. Here's how:

You can easily choose which polygons are displayed on the map via the key on the top left-hand side of the map.

Simply use the tick boxes next to the relevant selections you wish to make.

To completely remove all polygons, untick all of the boxes.