A variety of design techniques can be effective ways to differentiate the new construction from the old, while respecting the architectural qualities and vocabulary of the historic building, including the following:. Weeks, and H. Hot Topics. The difference may be subtle, but it must be clear. However, there must be a balance between differentiation and compatibility in order to maintain the historic character and the identity of the building being enlarged. Day, Steven, AIA. In most cases, this will be on a secondary side or rear elevation. The small addition on the right of this lateth century commercial structure is clearly secondary and compatible in size, materials and design with the historic building.
Preservation Briefs. The topic of new additions, including rooftop additions, to historic buildings comes up frequently, especially as it relates to rehabilitation projects. However, within the historic preservation and rehabilitation programs of the National Park Service, the.
Revising Preservation Brief 14—Technical Preservation Services, National Park Service
Revising Preservation Brief New Exterior Additions to Historic Buildings: Preservation Concerns. The topic of new additions, including rooftop additions, to historic buildings comes up frequently, especially as it relates to rehabilitation projects. Accordingly, the National. Preservation Briefs Provides guidance to owners, architects, and developers of historic buildings with information on cleaning and waterproof coating for.
Generally, a rooftop addition should not be more than one story in height.
This is an inevitable result of changing times and tastes and the reason why most publications are updated or revised. February An addition should be designed to be compatible with the historic character of the building and, thus, meet the Standards for Rehabilitation.
Beyond a single building, entire blocks of urban or residential structures are often closely related architecturally by their materials, detailing, form and alignment. Washington, D.
Keeping the addition smaller, limiting the removal of historic materials by linking the addition with a hyphen, and locating the new addition at the rear or on an inconspicuous side elevation of a historic building are techniques discussed previously that can help to accomplish this.

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A number of methods may be used to help evaluate the effect of a proposed rooftop addition on a historic building and district, including pedestrian sight lines, three-dimensional schematics and computer-generated design.
Figure 7. Rather than differentiating between old and new, it might seem more in keeping with the historic character simply to repeat the historic form, material, features and detailing in a new addition. However, what the NPS has learned from thirty years of experience, despite its best efforts to convey what an appropriate new addition to a historic building is, is that it has not always been successful in conveying this to many users of the program. It does mean, however, that a new addition to a historic building should preserve its historic character. The appropriate size for a new addition varies from building to building; it could never be stated in a square or cubic footage ratio, but the historic building's existing proportions, site and setting can help set some general parameters for enlargement. |
Berkeley Public Library Addition | Preservation Brief New Exterior Additions to Historic Buildings. Preservation Briefs The Preservation of Historic.
Pigmented Structural Glass . Weeks, Kay D., Preservation Briefs New Exterior. Additions to Historic.
This publication has been prepared pursuant to the National Historic Preservation Act ofas amended, which directs the Secretary of the Interior to develop and make available information concerning historic properties. Attaching a new exterior addition usually involves some degree of material loss to an external wall of a historic building, but it should be minimized. The revised Brief features all new illustrations and contains expanded and updated design guidance on the subject of new additions that has been developed by the Technical Preservation Services Branch since the original publication of the Brief.
For this reason, it is often necessary to construct a rough, temporary, full-size or skeletal mock up of a portion of the proposed addition, which can then be photographed and evaluated from critical vantage points on surrounding streets. Instead, the new addition should take its design cues from, but not copy, the historic building. The tall parapet wall conceals the addition from the street below d.
Preservation Brief 14 New Exterior Additions to Historic Buildings Preservation Concerns
3. Preservation Brief New Exterior Additions to Historic Buildings. historic preservation will be celebrating major anniversaries of the World.

updated/revised version of Preservation Brief 14 (NPS, August. All in a day's work Page & Turnbull architectural historian Jonathon Rusch was captured at India Basin doing what he does best—that is, evaluating a historic.
A small addition left was constructed when this s train station was converted for office use. A connector provides a physical link while visually separating the old and new, and the connecting passageway penetrates and removes only a small portion of the historic wall.
Comments about this publication should be addressed to: Charles E.
Video: Preservation brief 14th Historic Preservation Documentary
How to Evaluate a Proposed Rooftop Addition. New York, NY: W. If the new use cannot be accommodated in this way, then an exterior addition may be an acceptable alternative, but it must preserve the character of the historic building.
After all, "adaptive use", "adaptive reuse" or "rehabilitation"—regardless of what it is called, was a relatively new kind of preservation treatment and, quite different from restoration, the more familiar treatment at that time.
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This glass and brick structure is a harmonious addition set back and connected to the rear of the Colonial Revival-style brick house.
The stucco finish, metal roof, narrow gables and the Gothic-arched entrance complement the architecture of the historic church. The gabled entrance c first proposed was not compatible with the flat-roofed auditorium and the design of the proposed stair tower d was also incompatible and overwhelmed the historic building. ![]() Byard, Paul Spencer. The intent of this Preservation Brief is to provide guidance to owners, architects and developers on how to design a compatible new addition, including a rooftop addition, to a historic building. |
The revised proposal with a one-story rooftop addition that was conditionally approved by the National Park Service. The new work shall be differentiated from the old and shall be compatible with the massing, size, scale, and architectural features to protect the historic integrity of the property and its environment.
This publication is not copyrighted and can be reproduced without penalty.
However, within the historic preservation and rehabilitation programs of the National Park Service, the focus on new additions is to ensure that they preserve the character of historic buildings. Figure 8.
It was possible to add a compatible, three-story, penthouse addition to the roof of this five-story, historic bank building because the addition is set far back, it is surrounded by taller buildings and a deep parapet conceals almost all of the addition from below. A rooftop addition should be minimally visible.