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The Grenfell Tower inquiry is due to turn to the cause and spread of the fire, having heard seven full days of tributes to the tragedy's victims.
Five expert reports will be published during this phase, which will also look at the tower's safety measures and evacuation on 14 June last year.
The inquiry, which began in May, is expected to last around 18 months .
A total of 72 people died as a result of the blaze, the judge-led inquiry has said.
This includes Maria Del Pilar Burton, 74, who died in January. She had been in hospital since she was rescued from the 19th floor.
This stage of the process will begin with a statement by a barrister representing the inquiry itself and the publication of expert reports which have been commissioned.
The reports include three studies of the way the fire spread - including one examining the contribution of the highly flammable cladding and insulation which had been installed as part of a refurbishment.
Another report will consider the building's own fire protection measures, and another the safety regulations in place at the time of the tragedy.
Last week at the inquiry, a woman whose disabled mother, Sakineh Afrasiabi, died in the blaze criticised the council for housing her on the 18th floor of the block.
Nazanin Aghlani said her 65-year-old mother's "human right to escape" was impeded by housing her so high up.
She said: "Our mum lost her life not only due to the fire that night, but to the corporate negligence of the very people who were to ensure her safety."