Molly hadn't thought about needing a place to stay until Hermione brought it up. But from what she'd been told it wasn't as though she could simply Apparate back to the Burrow, as strange as that seemed now she did think about it.

"But it's your wedding night," she told them, not wanting to impose too much even though the thought of separating from them seemed worse than whatever weird flat Ron was thinking of. "I'm sure I could get something sorted out, if you'd rather be alone. There's Charlie, after all. Or a flat, you say? Is that something that happens?"