Conservation Principles, Policies and Guidance - English Heritage

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OVERVIEW 8 6 Assessing heritage significance (pages 35-40) sets out a process for assessing the heritage significance of a place: • Understand the fabric and evolution of the place • Identify who values the place, and why they do so • Relate identified heritage values to the fabric of the place • Consider the relative importance of those identified values • Consider the contribution of associated objects and collections • Consider the contribution made by setting and context • Compare the place with other places sharing similar values • Articulate the significance of the place. 7 Managing change to significant places (pages 43-48) explains how to apply the Principles in making decisions about change to significant places by: • Establishing whether there is sufficient information to understand the impacts of potential change • Considering the effects on authenticity and integrity • Taking account of sustainability • Considering the potential reversibility of changes • Comparing options and making the decision • Applying mitigation • Monitoring and evaluating outcomes. 8 English Heritage Conservation Policies and Guidance (pages 51-63), a series of Policies specific to some common kinds of action, followed by associated Guidance on their interpretation. While some of these policies have a close relationship to particular principles, it is important that they are interpreted in the context of the Principles as a whole. These policies, which English Heritage will follow, are that: 9 The conservation of significant places is founded on appropriate routine management and maintenance. 10 Periodic renewal of elements of a significant place, intended or inherent in the design, is normally desirable unless any harm caused to heritage values would not be recovered over time. 11 Repair necessary to sustain the heritage values of a significant place is normally desirable if: a. there is sufficient information comprehensively to understand the impact of the proposals on the significance of the place; and b. the long term consequences of the proposals can, from experience, be demonstrated to be benign, or the proposals are designed not to prejudice alternative solutions in the future; and c. the proposals are designed to avoid or minimise harm, if actions necessary to sustain particular heritage values tend to conflict.
12 Intervention in significant places primarily to increase knowledge of the past involving material loss of evidential values, should normally be acceptable if: a. preservation in situ is not reasonably practicable; or b. it is demonstrated that the potential increase in knowledge • cannot be achieved using non-destructive techniques; and • is unlikely to be achieved at another place whose destruction is inevitable; and • is predicted decisively to outweigh the loss of the primary resource. This policy most commonly applies to research excavation. 13 Restoration to a significant place should normally be acceptable if: a. the heritage values of the elements that would be restored decisively outweigh the values of those that would be lost; b. the work proposed is justified by compelling evidence of the evolution of the place, and is executed in accordance with that evidence; c. the form in which the place currently exists is not the result of an historically-significant event; d. the work proposed respects previous forms of the place; e. the maintenance implications of the proposed restoration are considered to be sustainable; 14 New work or alteration to a significant place should normally be acceptable if: a. there is sufficient information comprehensively to understand the impacts of the proposal on the significance of the place; b. the proposal would not materially harm the values of the place, which, where appropriate, would be reinforced or further revealed; c. the proposals aspire to a quality of design and execution which may be valued now and in the future; d. the long-term consequences of the proposals can, from experience, be demonstrated to be benign, or the proposals are designed not to prejudice alternative solutions in the future. OVERVIEW 9
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CONCLUSION
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DEFINITIONS
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DEFINITIONS 72 Object Anything not
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