This interview suggests that it's about her father (her parents divorced when she was a young child and she has no contact with him). The speaker is looking at photographs taken of the two of them when she was little and living in a street she no longer remembers. She's looking for reassurance that he did love her, even though there was 'trouble ahead' and he ended up leaving. The pictures are an image of 'how things ought to have been' and she still dreams of getting that back, somehow.">
<a href="http://www.telegraph.co.uk/culture/music/rockandpopmusic/9734724/Ellie-Goulding-interview-I-do-have-a-dark-side.html">This interview</a> suggests that it's about her father (her parents divorced when she was a young child and she has no contact with him). The speaker is looking at photographs taken of the two of them when she was little and living in a street she no longer remembers. She's looking for reassurance that he did love her, even though there was 'trouble ahead' and he ended up leaving. The pictures are an image of 'how things ought to have been' and she still dreams of getting that back, somehow.