NSW Rural Fire Service district officer Far South Coast Garry Cooper said there had been a couple of flare ups within the burnt area, but he had just received word the 12 units on the scene were close to to containing the blaze.

The fire was on a private property on Tantawangalo Lane and he said it had mainly burnt grass, but also some scrub and trees.

He said there had been no further details on the reports of damaged buildings, but thought they were possibly a couple of old sheds.

The cause of the fire is still unknown at this stage.

4PM: A grass fire is currently burning at Tantawangalo and there is an unconfirmed report that a structure in the area has been set alight.

Speaking on Wednesday at 4pm, NSW Rural Fire Service district officer Far South Coast Garry Cooper said the fire was about 10km west of Candelo off Tantawangalo Lane and near the Sapphire Speedway.

He said crews from Bemboka, Candelo and Jellat Jellat brigades were on the scene and he had an unconfirmed report that a structure was on fire but was not sure if it was a shed or a house.

Mr Cooper said residents of Tantawangalo Lane should be aware there was a fire burning in their area.

For more information, watch the NSW RFS's Fires Near Me website.

More to come.