I'm almost certain it's Crocosmia Lucifer (although I haven't seen it in real life before). The reason? I noticed straight away that the foliage was very typical of that from a bulb, drawing upon my gardening experience. Going forward on that assumption, I did a Google images search for "red bulb flower" and found pics almost identical to yours in 2 places, both labelled as Crocosmia lucifer.
The 2 links that I found are pasted below - they both contain pics of other types of flowers as well, so you'll have to scroll down the page a bit to find the Crocosmia lucifer: