UPDATE   8 January 2021

Telefonica-O2 have lodged a pre-planning application, reference, PRAP/20/00058/MNR, with Cardiff Council, to site the 20 metre mast on Danescourt Way, between the path to Douglas Close and Heol Urban.

Planning documents are available at –

https://planningonline.cardiff.gov.uk/online-applications/applicationDetails.do?activeTab=documents&keyVal=_CARDIFF_DCAPR_133004

The location drawings are reproduced here