The clearance will yield a total of 4,000 housing units.
Six public housing blocks in Wong Tai Sin and Sham Shui Po will be cleared for redevelopment, the Housing Authority said.
The redevelopment of Mei Tung and Mei Po houses in Mei Tung Estate, Wong Tai Sin, will yield 2,100 public housing units and a primary school, while demolishing the four blocks at Pak Tin Estate, Sham Shui Po, will provide 1,900 units.
The clearance will be conducted from April 2020 to January 2021 and affected tenants will receive prior notices of up to 41 months.
The authority's Subsidised Housing and Commercial Properties committees have approved the rehousing arrangements for affected domestic and commercial tenants.
Mei Tung Estate's 630 households will be accommodated in Tung Tau Phase 8 in mid-2020. They can also choose to leave in mid-2018 for flats in On Tai Estate on Anderson Road.
Pak Tin Estate's 2,280 households will be assigned flats in the redeveloped blocks of the same estate from 2019. They can also choose to leave in mid-2018 for flats in So Uk Phase 2.
Domestic tenants will receive removal allowances ranging from $5,126 to $19,649.
For those who prefer Home Ownership Scheme flats to public housing units, they will be accorded priority in flat selection in the upcoming HOS sales.
Commercial tenants will be offered an ex-gratia allowance equivalent to 15 times their monthly rent.
They will also get a lump sum payment of $133,000 or the chance to participate in restricted tender exercises for shop stalls in the authority's markets.
Successful bidders will be given a three-month rent waiver.
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