After more than four years, more than three hundred thousand documents, four hundred days of testimony and around £150 million, the Inquiry heard its final evidence.
Lawyers for the core participants put forward the arguments they think the chair of the Inquiry, Sir Martin Moore-Bick, should consider as he produces his final report.
Lead Counsel Richard Millett said all the deaths at Grenfell Tower were avoidable and strongly criticised companies and organisations involved in the refurbishment for failing to take responsibility.
And Paulos Tekle, a Tower resident, whose five-year-old son lost his life on the night of the fire, tells us what he expects from the final report.
Presenter: Kate Lamble
Producers: Sharon Hemans and Luke Radcliff
Researcher: Marcia Veiga
Sound Engineer: Gareth Jones
Editor: Hugh Levinson