It's very nice and reminds me of the house I grew up in (also in London). The wrong side of London for me though, I would feel like a fish out of water!
That childhood home came up for sale when I was 26 and househunting. This was 20 years ago and the asking price £125K. It was out of our reach and we settled on a very similar Victorian house in a Herts market town for about £57K.
The house that we bought is now worth circa £200k (I no longer own it, just happened to see it was up for sale recently). On that score, and given that my childhood home is now probably likely to sell for 375 to 400K I'd say that if this is the house of your dreams and it's within your reach, go for it.