But he had rejected the notion.

The break had been so complete, and George, after all, was so closely connected with Betty! Considering that he had not mentioned Betty's brother, either when speaking to Janet on the telephone two or three days ago, or again just when he had made his unconventional re-entry into Old Place, it was odd how the thought of Betty's twin haunted him as he followed his little guide upstairs.

Odd?
No, in a sense very natural, for he and George often raced each other up these very stairs.

They had been such pals in spite of the four years' difference between them.
Radmore and Timmy were now in the kind of annex or wing which had been added some fifty years after the original mansion had been built.

The lower floor of this annex consisted of one big room which, even in the days of Radmore's first acquaintance with the Tosswills, was only used in warm weather.