"I do not go 'Irish' on you." Aidan said with an expression of great dignity and a notable effort to speak without accent though they both knew that a growing level of agitation or exhaustion Aidan could reach levels where he was barely understandable.
He pulled out his wand, cast a Concealing Charm on them (better safe than sorry, after all), then muttered Lumos and gave Terry an impatient look.
"Yer don't 'appen ter 'ave groun' plans av dis place, do yer?" He asked, getting excited again. "'ow many buildings, their general set-up, whether they 'ave runnin' water an' electricity – do we nade electricity?"