Police have surrounded a south Auckland home after threats were received from a man holed up inside a house.

The street has been cordoned off and residents within 200m are being evacuated as a precautionary measure.

A person inside a residential property on Henwood St has made threats, via his healthcare providers, which has prompted Police to respond, a statement said.

Nearby Kingsford Primary School is in lockdown.

Any further information will be provided as it becomes available.