They updated the plumbing and electrical wiring and installed a new red-slate roof.

WSJ: Buying a Home on First Sight

Walls were put up, and new plumbing and electrical wiring was installed.

WSJ: In Manhattan Home Search, Some Choose to Go Big

Bridge operator's Forth Estuary Transport Authority (Feta) maintenance workers have installed several miles of ductwork to accommodate electrical wiring.

BBC: RELATED BBC SITES

Electrical wiring was replaced, new pipes were installed, the papal bedroom given a thorough makeover, and the kitchen was refurbished.

FORBES: Pope Francis Used To Cook His Own Food; How Will He Eat In The Vatican?