This is a bit of an old outfit now. I work in a casual office, but sometimes I dress a bit fancier, mainly for my own sake, sometimes for meetings. I don't really like tailoring and tend to get around it with a shift dress/shirt combo instead, like this (though generally not quite as scruffy!).

Shirt, clothes swap
Dress, handmade for c. £6!
Belt, old vintage stock
Shoes, Primark, £12