+1 on the roof. Check diligently for rust or corrosion damage.

HCP has a thread on a not-too-pricey fix for EG Civic roofs that have been eaten away by corrosion. Basically a metal shop can fabricate a new roof panel for you using the original roof bracing and supports. PhP8k thereabouts.

A lot of Honda Club EG Civic owners have had this done and they're all happy with it.