For most properties a standard half round gutter will be sufficient however, if you have a large or particularly steep roof, then the plain deep half round gutter profile might be a more suitable option. With the UK seeing more frequent heavy rainfall this deep flow gutter system might be the sensible choice to help future proof your property. Despite having a similar width to the plain half round gutter, the deep flow profile can manage significantly more water volume that of the smaller more common plain half round.