rigor

TBH I wouldn't go for a place where I was "pushing it" at all. Even if you are on a fixed rate mortgage from the start, at some stage that deal will end. If interest rates have gone up, and/or the housing market has dipped (or crashed) then you could find yourself in a situation where you can't re-mortgage, and get stuck on a very high rate.

I know you don't get a lot for 200k atm, but I'd seriously look at other options. Are you living with your folks atm, or renting with mates or alone.

Guy I work with is looking for his first place, and was adamant that he wanted to buy, so I sat him down and showed him what it would leave him with a month, even on a best case scenario. He's now looking at renting with a mate to save up more of a deposit than the big fat 0 he has atm.