Possible Clues:

• Building advertised in circular letter, to start with
• Get around to having a berth there, by the sound of it
• Where one might get around to parenthood
• Washington landmark, with 'the'
• A nut-eating beetle goes back round building
• Do a turn, waltzing round building
• German with apparently listed building
• Infestation picked up beneath circular building
• Moving right to the top in old Arctic plain's circular structure
• Disperse and tour building