Every year, a limited number of complete unit buildings come up for sale, sometimes containing a number of strata-titled apartments, but more often as part of a single-title, one landlord holding They ...

A HUMBLE set of wooden shapes celebrates its 100th anniversary this year. Unit blocks, developed by early-childhood education pioneer Caroline Pratt in 1913, are wooden bricks, in carefully chosen ...

Philly is a square kind of city. Plots and constructions fit between the perpendicular streets that form the blocks that feed the city’s grid. Modern architecture reshaped some squares into rectangles ...