Bancroft Green is the redevelopment of a large urban parcel into 11 townhomes with a central greenspace and PhillyCarShare parking area. With lots less than 16’ wide, the design took a creative approach to daylighting and incorporated light wells and high windows to successfully bring light deep into the units. The project also took advantage of the small lot sizes by using party walls to create more energy efficient envelopes. Both the use of geothermal heat pumps and modular construction demonstrate that these technologies can be accomplished on even the narrowest of city streets. The final EnergyStar HERS rating for Bancroft Green projects that the homes should perform 45% more efficiently than a typical code compliant home of the same size.

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