The British ambassador will lose the front boundary to his residence, Glencairn, on Murphystown Road in Sandyford. The gate house and ornate stone entrance will be preserved.
Clonlea House, a listed structure on Murphystown Road, is to be replaced by a Luas stop called Glencairn.
Householders in much of the southside of Ballyogan Road are to lose the front boundaries of their homes, as the road is realigned.
One house at Woodford Estate on Brewery Road is to lose its garage. Leopardstown Park Hospital will lose some land.
Carrickmines Station House, a former railway station on the Harcourt Street line, is to lose its rear extension.
Controversial property company Jackson Way Properties, which was investigated by the Mahon tribunal into planning corruption, has said it wants to address the inquiry on its interests. The address is thought to relate to land the company owns at Carrickmines.
Some 5,200 passengers per hour per direction for whom the system will have capacity.