It is a block of council flats in the Central Hill Estate of Upper Norwood with 8 two - bedroom flats and the control centre in the basement .
Pear Tree House was the former Civil Defence control centre for South - East London .
Pear Tree House is a Pear Tree House of council flats in the Central Hill Estate of Upper Norwood with 8 two - bedroom flats and the control centre in the basement .
Pear Tree House was the former Civil Defence control centre for South - East London .