The UN says at least six districts are destroyed and repairing only basic infrastructure could cost $1bn.
As well as the thousands killed, around 900,000 people have fled since the offensive began last October.
It’s not clear when they will be able to return home.
Iraqi government troops are clearing the last pockets of resistance from a few remaining ISIL fighters.
Iraq’s prime minister says recapturing the ISIL stronghold is a great victory.
So, how will his government in Baghdad build on this success?
Presenter: Hazem Sika
Ahmed Rushdi – House of Iraqi Expertise Foundation
Brigadier-General Hazhar Ismail – KRG Ministry of Peshmerga Affairs
Matthew Glanville – Former adviser to the US military in Iraq