A $218 million prison development towering over the Southern Motorway and casting a shadow across Mt Eden has horrified residents, principals and community leaders.

They are appalled by the project at Mt Eden Prison, and one city councillor believes the new block has grown higher than initial plans indicated it would.

The building, due for completion by April, will provide 554 additional beds - and support facilities that will be shared by the Auckland Central Remand Prison.

Is the new prison at Mt Eden too big and too ugly? Here is the latest selection of Your Views: