Stoddart's Cottage, a beautifully restored 19th century cottage in Diamond Harbour, is set to undergo repairs and strengthening.
The facility has had stabilisation work completed, enabling it to temporarily open to the public.
Permanent repair work is expected to begin in April 2016 and to be completed in August 2016.
Built by Mark Stoddart around 1860, Stodddart's Cottage at 1 Waipapa Avenue was the birthplace and childhood home of renowned 19th century botanic artist Margaret Stoddart and her siblings.
In the late 1980s a group of locals painstakingly restored the cottage. It is now an Historic Places Trust Category One listed building and is the oldest standing building in Diamond Harbour.
Now a popular tourist attraction, the Council has set aside funding to repair and strengthening the cottage as part of its $40 million commitment on 4 September 2014 to fast-track the repair and rebuild of community facilities.