Which properties can't apply for mortgage consumer loans?

The following properties cannot be mortgaged.

1, affordable housing.

2. Small property houses, including houses built by farmers themselves and houses built on rural collective land.

3. Outstanding loan property.

4. Some public houses have been purchased. One is the purchased public houses that cannot provide the purchase contract or purchase agreement. The other is the central delivery room that cannot provide proof of housing (the central unit in Beijing has purchased public houses).