Nid oes angen sicrhau caniatâd cynllunio ar gyfer sied neu dŷ gwydr ar randir, sy'n fach ac heb gael llawer o effaith. Mae'n golygu costau di-angen i unigolion ac awdurdodau cynllunio lleol.
Requiring planning permission for a shed or a glasshouse on an allotment, which is small in scale and has limited effects, is unnecessary. It imposes unwarranted costs on individuals and local planning authorities.