Does Mort. Co. Allow demo of 1st time house (bad shape)?

[James Broad]

St Petersbirg, Florida Neighborhood .

1st time buyer going FHA 203k. Very little capital.

Theres a small block structure with an upstairs i wanna keep n rehab nice, but theres a big wood house attached that is pretty shoddy that needs to be nuked.

The upstairs i want to add a 2/1 with living area with open kitchen, start the electrical, plumbing, HVAC from scratch, etc..

I actually want to live there for a while and add value before flipping.

Is there a way to officially get the wood house deemed uninhabitable for full unselective demo?