She said previously that the ordeal was an “absolute nightmare” and was visited by Thames Water’s chief executive Chris Weston in February.
At the time, she said she was grateful for the opportunity to speak to Weston and received his “heartfelt apologies”.
Thames Water’s spokesperson added: “After completing what was an extremely complex repair of the collapsed sewer on schedule in March, we had to structurally reline it before the sewer network in the affected area could be reinstated.
“Unfortunately, an additional complication was discovered that meant changing how we had to line the sewer and specialist robotic cutter equipment was required.
“While work was originally scheduled for 21 March, this was moved to 7 April and was due to take place for two days.
“However, our on-site team noted that additional sewer lining was needed, pushing the completion date to 10 April.
“We sincerely apologise to residents for this delay.”