An internal review of safety checks across all the authority’s council homes identified some areas of concern around compliance work.
The work, which relates to electrical, fire and water safety, showed that not all checks had been carried out when they should have.
As a result, the council took matters into its own hands and self-referred to the Regulator of Social Housing.
In addition, the council appointed an independent expert to carry out a detailed check of all the key safety areas and has put an urgent work programme in place to complete all checks, risk assessments and follow up work needed. This programme is already underway.
Alan Waters, leader of the council, said: “I want to apologise to our residents for not meeting all our responsibilities as a landlord.
“The safety of our residents is, and should always be, at the top of our agenda.
“We have written to residents in all 17,000 council homes as we want to be open about the issues we have uncovered and explain the steps we are taking to resolve them.
“If anyone has concerns or queries about this work and how they may be affected they can get in touch with us via our dedicated online form, by email or phone.”
For more information visit www.norwich.gov.uk/housingcompliance