[It would be too cheeky to say "thank you" when the Victorian comment so obviously isn't meant as positive, but a ghost of a smile passes over his lips anyway. Being a model butler of his time is what he's going for, after all, so he's pleased.]
That's a relief to hear. [He couldn't possibly let Ciel room in some two-star junkyard.] In that case, perhaps I can only afford the one room to begin with... [Is it obvious whose room he'll prioritise?]
Had I known my day would require such expenses I would have carried a bit more coin on my person.