[genericstorage3]

if you save 3000gbp in London, you'll save 500eur in Lisbon.

Compare that, and living costs don't matter that much.

In 10 years the difference is huge

[paganel]

At the end of it you also would have 10 years of having lived in London vs 10 years of having lived in Lisbon, for some the financial tradeoff may be worthwhile.