The renewed promenade will, when finished, stretch 350 metres along the foreshore to the east of Windang Bridge.

The first stage of work, due for completion by early May, involves the construction of a new section of promenade 180 metres-long towards the beach, as well as the removal of the existing aged promenade.

Read more: Kids welcome to new art exhibition celebrating Coomaditchie its people

"The path adjacent to this will be raised above the high tide level and protected from erosion by the promenade and associated wall," Shellharbour City Council said.

The second and final stage of works covers the section closest to the kiosk, and was delayed to allow public access to this area and the beach during the busy summer months.

"These works will provide better access, prevent erosion and improve amenity alongside the beach area," the council said.

Shellharbour council said the area was fenced off for public safety, because heavy machinery would be operating.

Read more: Darcy needs extra support in classroom. Dapto mum fears he won't get it

"Council appreciates the patience of the visitors to the reserve and looks forward to progressing the project," the council said.

It is expected work will be finished and the promenade will open in early spring.

The council's Reddall Reserve Master Plan, completed in 2019, identified the promenade as being in need of renewal.

The plan identified an option that would improve the promenade's accessibility and provide seating.

Reading this on mobile web? Download our news app. It's faster, easier to read and we'll send you alerts for breaking news as it happens. Download in the Apple Store or Google Play.