Things that you will need to consider before building a house are:

1. house plan which is needed to be submitted to get 2, 3 and 4
2. building permit from the municipal or city government
3. construction bond from the subdivision/village association
4. construction bond from the developer
> Although 3 and 4 can be refunded assuming you stick with the approved house plan

Depending on the site, this could easily be approximately half a million pesos....
Wala ka pang nasisimulan....

Kaya nga do not overcommit. Enjoy!!!