Sagging or bow in roof, straighten ridgeline

Sharad requested 2 quotes from Roofers in Hornsby

There is a sag/wave/bow in the roof in this californian bunglow. the previous job done by previous owners was dodgy.

Reseal, secure tiles which has come loose on roof, 1 story
A tile has come loose and dislodged on roof needs resealing and securing. 1...

Our tile roof leaks into a bedroom when its heavy rain. I need a quote.
Our tile roof leaks into a bedroom when there is heavy constant rain. The...

Tiles broken on roof approx 6
Tiles broken on roof approx 6

Repoint and repair part of roof, needs to be re-pointed
The roof of one part of our split level house is in need of repair. it needs...