Neighborhood Conservation Zoning Design Guidelines Part III: Outbuilding Form Options

2018. Neighborhood Conservation Zoning Design Guidelines Part III: Outbuilding Form Options. Tennessee Historical Commission

From the Introduction: "An outbuilding is an additional structure on a lot where the primary building has a residential form. Form, rather current or potential use or zoning, is the factor which determines what is a primary building and what is an outbuilding. Some examples of outbuildings are carports, garages, sheds, studios, accessory dwellings, pool houses, play houses, and garden structures, such as pergolas and green houses. The Metro Department of Codes & Building Safety determines how an outbuilding can be used. When reviewing infill, the historic context is used to determine appropriate scale and massing. Likewise, the existing building is used to guide the design of additions. Outbuildings are unique in that they historically were not necessarily scaled to the historic building or designed to complement the building with which they share a lot. They do not affect the character of the historic district to the same extent as other types of new construction because of their minimal visibility at the rear of lots. Outbuildings serve many more purposes than they once did and many now serve multiple purposes. Although they have minimal visual impact on the district as a whole, they still need to be small in scale to be appropriate new construction in the neighborhood conservation zoning overlays. With the Form Options, the Commission intends to meet the needs of modern-day purposes for outbuildings while controlling the overall height and mass. The Form Options focus on form and mass rather than style and the scale in relation to a primary building, with the goal of providing multiple forms that would be compatible as outbuildings in all the neighborhood conservation zoning overlays and allowing for property owners to achieve flexibility in style and details." Project funding was provided in part by a Historic Preservation Fund grant to the Tennessee Historical Commission administered by the State, Tribal, Local Plans and Grants division, National Park Service, U.S. Department of the Interior (grant number P18AF00033).

Type
Unpublished Report
Date of Issue
2018
Publisher
Tennessee Historical Commission
Units
HPF
Keywords
Certified Local Governments, Design Guidelines

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