Landlords indicated this was for a variety of different reasons, including the need for further exploratory analysis before programmes of work and timescales could be established.
Nododd landlordiaid fod sawl reswm dros hyn, gan gynnwys yr angen i wneud rhagor o waith dadansoddi ymchwiliol cyn y gellid sefydlu rhaglenni gwaith neu bennu amserlenni.