Well, it is a really obscene amount to be paying for your energy, but with older, draughty, less well-insulated properties in the coldest months of the year.
While the Gryffindor common room and the Great Hall had roaring fires, the draughty corridors had become icy and a bitter wind rattled the windows in the classrooms.
They might live in a very draughty Victorian home, which requires a lot of energy to heat it, and so they might be spending much more than average the typical household on energy.
As it cleared the arch, a figure as bright and gay-clad as the boat rose up in it; a slim girl dressed in light blue silk that fluttered in the draughty wind of the bridge.
It was as large as a barrack; and as it had been built of a soft stone, liable to consume in the eager air of the seaside, it was damp and draughty within and half ruinous without.