The builder was hit when the housing market in March was effectively shut down at the start of the lockdown as people were urged to avoid moving, viewings stopped and a number of construction sites temporarily closed.
But restrictions were eased in May and Chancellor Rishi Sunak introduced a stamp duty holiday in July, giving the market a boost.
The housing sector is allowed to operate throughout the latest lockdown which ends on December 2.
Redrow, which in June announced plans to trim operations in London and focus outside the capital, has now exited three of the six sites in London it does not plan to work on.