Ethel Winstanley who lives opposite said she was "shocked and saddened" by the news that three children had been found dead at the property.
Joy Devis, who lives a few doors away and knew the family, said she was devastated, describing them as a "lovely family".
More top news
Masood's body was identified using DNA and fingerprints.
Medical staff who helped during the Westminster terror attack have received a royal thanks for their life-saving efforts.
Temperatures reached 21.8C in Gravesend making it the hottest day of 2017 so far.