8. CONSERVATION OF THE HISTORIC ENVIRONMENT
   
  Policy C1: Development and Conservation Areas
  Policy C2: Demolition of Listed Buildings or Buildings in Conservation Areas
  Policy C3: Conservation Areas - Changes of Use
  Policy C4: Setting of Listed Buildings
  Policy C5: Use of Listed Buildings
  Policy C6: Alteration of Listed Buildings
  Policy C7: Listed Buildings and S.106 Agreements
  Policy C8: Parks and Gardens of Special Historic Interest
  Policy C9: Archaeological Features

   
  Introduction
8.1 The historic elements of the built environment comprise Listed Buildings, Conservation Areas, historic parks and gardens, historic street patterns, and archaeological remains. It is important to value and protect the historic environment because it adds much to the quality of life; the links it provides with the past contribute greatly to the character of Preston today. For new development to be "sustainable" it must preserve the historic environment for future generations to learn from and enjoy.
8.2 The main components of conservation policy are the designation of "conservation areas" and the "listing" of buildings of special architectural or historic interest. Conservation areas are those considered to have special "architectural or historic interest the character or appearance of which it is desirable to preserve or enhance" (Section 69, Planning (Listed Buildings and Conservation Areas Act) 1990). The designation of conservation areas is the responsibility of the Council whilst the listing of buildings is carried out by the Department of Culture, Media and Sport with advice from English Heritage. It is the Council's responsibility to apply the special controls governing development which affects conservation areas and listed buildings.
8.3 National planning guidance defines conservation policy as being linked to, but distinct from, land use planning policy. The Local Plan is therefore required to set out clearly all conservation policies relevant to the exercise of the Council's development control function, and also policies which are relevant to cases where development and conservation are linked. Some areas of conservation policy are not appropriate for the Local Plan: for example policies on certain types of alterations, repairs, maintenance, or decoration, or on grant regimes. The Council may publish separate policy statements on these in due course.
8.4 Preston has 12 Conservation Areas and over 750 listed buildings. The Conservation Areas are at:
 
  • Ashton;
  • Avenham;
  • Deepdale Enclosure;
  • Fishergate Hill;
  • Harris Children's' Home;
  • Inglewhite;
  • Market Square;
  • Nooklands;
  • St. Augustine's;
  • St. Ignatius Square;
  • Watling Street Road;
  • Winckley Square.
8.5 They are indicated on the Proposals Map.
8.6 Conservation area designation gives the Council, as local planning authority, control over demolition, strengthened control over minor developments, and the protection of trees. Given the sensitivity of the historic environment, the Local Plan's design policies will be applied more rigorously in conservation areas, and where new development affects a listed building. Poor design and use of the wrong materials can devalue the special character of a conservation area. However innovative modern design can be acceptable in historic areas, where it complements and enhances existing development.
8.7 In addition to the policies the Council will publish appraisals which assess and define the special interest of each conservation area, and which specify actions required to protect and enhance it including proposals for the preservation and enhancement which, where possible, will be brought forward. The guidance will help generate awareness and will encourage local property owners to take the right sort of action themselves. It may also be a material planning consideration in determining a planning application.
8.8 Parks and gardens of special historic interest are also an important asset in need of protection and enhancement. Preston has several entries on the register compiled by English Heritage.
8.9 Ancient monuments and other sites and areas of archaeological importance and interest also contribute significantly to our cultural heritage. They are a finite and non-renewable resource and are often fragile and vulnerable to damage or destruction. They are part of our national identity and are valuable both for their own sake and for their role in education, leisure, and tourism. Appropriate management is therefore essential to ensure that archaeological sites are not needlessly destroyed. There are several known sites of national importance in Preston, and a wide variety of sites of local interest.
8.10 The control of development affecting conservation areas, listed buildings, historic parks and gardens, and archaeological remains is therefore an important issue for the Local Plan to address. New development should not always be seen as being in conflict with the conservation of the historic environment. New development, or changes of use to existing buildings, is often necessary in and around historic buildings to ensure they remain viable and receive the investment they need. It is vitally important, however, that development is carefully controlled so that the special character of historic areas and buildings is preserved and enhanced. The conservation policies are intended to achieve the right balance between development and conservation.
8.11 The specific development control powers relating to listed buildings and conservation areas stem from the Planning (Listed Building and Conservation Areas) Act 1990.
8.12 Central government advice in the form of PPG15: 'Planning and the Historic Environment' and PPG16: 'Archaeology and Planning' define the role for local planning authorities in respect of conservation.
  Objective:
 
  • TO PROTECT AND ENHANCE THE HISTORIC ENVIRONMENT AND THE SPECIAL CHARACTER OF LISTED BUILDINGS, CONSERVATION AREAS, HISTORIC PARKS AND GARDENS, AND SITES OF ARCHAEOLOGICAL IMPORTANCE.
Development and Conservation Areas
8.13 Special attention must be paid to the impact of development proposals on the character and appearance of conservation areas and their settings. The Council has published detailed appraisals of each of the City's conservation areas to help define their character, and therefore, to assist in assessing the impact of development proposals. Under Section 71 of the Planning (Listed Building and Conservation Areas) Act 1990 the Council has a duty to formulate and publish proposals for the preservation and enhancement of the City's Conservation Areas.
Policy C1 Development and Conservation Areas
Development proposals or other streetworks within or affecting the setting of a conservation area will be permitted where they preserve or enhance its character or appearance as identified in the conservation area appraisal and taking into account:
(a) the historic layout of property boundaries;
(b) the archaeological significance and potential of the area;
(c) the architectural and historic quality, character, and coherence of the buildings, both listed and unlisted;
(d) the character and quality of spaces, and the contribution made by trees and hedges to the area's special character;
(e) the quality of vistas along streets and between buildings, and views into and out of the area;
(f) the prevalent and traditional building materials;
(g) the prevailing land uses within the area;
(h) the extent of any loss of historic buildings, intrusion of unsympathetic development or traffic, and the extent of damage to features which contribute to their special character;
(i) the quality of shop fronts, signs, and street furniture;
(j) the existence of development sites within or adjacent to the area;
(k) the special character of the conservation area and views towards it.
Applications for planning permission in conservation areas will be required to include full detailed plans and elevations of new building work and showing the new development in its setting.
The designation of new conservation areas will be based upon those considerations set out as (a) to (k) above.
   
8.14 The conservation area appraisals have been prepared on the basis of the above criteria. Existing conservation areas are reviewed regularly to ensure that standards remain sufficiently high, and other areas are assessed to see if further conservation area designations are justified and at this stage, if it is considered that these areas are being adversely affected by changes taking place as a result of permitted development rights the need for Article 4 Directions will be considered.
8.15 As it is necessary to consider the full impact of the proposal, the Council will not normally accept applications for outline planning permission in conservation areas.
   
Demolition of Listed Buildings or Buildings in Conservation Areas
8.16 Listed buildings and buildings which contribute to the special character of conservation areas are irreplaceable, and it is only in very exceptional circumstances that their demolition can be considered.
Policy C2 Demolition of Listed Buildings or Buildings in Conservation Areas
There will be a general presumption in favour of the preservation of listed buildings, and the retention of buildings which make a positive contribution to the character or appearance of a conservation area, unless the applicant can demonstrate that:
(a) real efforts have been made to sustain the existing use or find viable new uses and have failed; and,
(b) preservation in some form of charitable or community ownership is not feasible; and,
(c) redevelopment will provide substantial benefit for the community which would decisively outweigh the loss from demolition; and
(d) where the building is in poor condition, the cost of repairing and maintaining it would outweigh the importance and value derived from its retention.
Should these criteria be met consent will only be given when a detailed planning permission has been granted for the development of the site. In appropriate cases, consent will be subject to a condition or legal agreement to provide that demolition shall not take place unless a contract has been made to carry out the redevelopment of the site.
   
8.17 The criteria for assessing proposals included in the policy reflect government advice (PPG15). It is accepted that in certain circumstances demolition may be the only option, but criteria (a) and (b) endeavour to ensure that all avenues to secure a viable use for a building are explored. This will include the offer of the unrestricted freehold of the building on the open market at a realistic price.
8.18 In the case of criteria (c) the architectural merits of any proposed replacement building would not in themselves be justification for the demolition of a listed building or building in a conservation area. Even where the benefits of a new building are widely acknowledged, it may be feasible to incorporate the historic building within the new development. Developers should always consider this option carefully.
8.19 In applying criteria (d), the assessment must be based on consistent and long term assumptions, and should take into account the possibility of tax allowance and exemptions and of grants from public or charitable sources. Where it is apparent that a building has been deliberately neglected in the hope of obtaining consent to demolish, then less weight will be given to the costs of repair.
8.20 Consent to demolish will always need to be subject to planning permission for the redevelopment of the site to ensure that subsequent development is to a high standard. Where there is a danger that unsightly gaps will be left for long periods after demolition, consent will be conditional upon a contract having been made to carry out suitable redevelopment.
   
Conservation Areas - Changes of Use
8.21 In general the same provisions apply to changes of use in conservation areas as in other areas, and are determined by the land use policies in the Local Plan. However, the character of a conservation area is a function, at least in part, of the uses that prevail in the area. It is therefore necessary to be especially vigilant in controlling any change of use. At the same time, general policies governing changes of use may sometimes need to be interpreted flexibly in the interests of securing the future of a historic building in the area.
8.22 Similarly any alterations to buildings must respect the character of the conservation area, or else the value of the area may be diminished and not preserved or enhanced.
Policy C3 Conservation Areas - Changes of Use
Developments involving the alteration, or change of use of buildings within a conservation area will be permitted where the character or appearance of the area is preserved or enhanced.
   
Setting of Listed Buildings
8.23 The Council will have particular regard to the impact of a proposal on the relationship of the listed buildings to adjacent buildings and spaces. Setting is often an essential part of a listed building's character. Historic buildings can be robbed of much of their interest and Cityscape value if they become isolated from their surroundings.
8.24 The setting may be attributable to the relationship of the listed building to a particular grouping of buildings, and to the quality of spaces between them. The buildings which form the setting may not in themselves be of special interest. The setting of particularly prominent buildings, such as a church with a steeple or tower, may cover an extensive area, so new buildings even at some distance away need careful control in order to protect important views.
Policy C4 Setting of Listed Buildings
Development proposals affecting the setting or views of a listed building will only be permitted where they are not damaging to the special character of the setting of the listed building.
   
Use of Listed Buildings
8.25 It is preferable that listed buildings are maintained and used rather than neglected, and new uses may have to be found in order to secure their future. In such cases determining a planning application is often very difficult, and involves balancing the economic viability of possible uses against the effect of any changes to the special character which the new use may entail. Of particular concern will be changes to the fabric, interior, and setting. Some uses may not be acceptable if they would lead to more destructive alterations. The availability of any grant assistance that may be forthcoming from English Heritage or other sources will need to be taken into account. The Council recognises the need for flexibility in the application of policies governing changes of use in the interests of securing a building's survival.
Policy C5 Use of Listed Buildings
Changes in the use of listed buildings will be permitted provided that the proposed uses are:
(a) compatible with the fabric, interior, and setting of the building, and would not have an adverse effect on it's special architectural or historic interest; and,
(b) consistent with the land use policies of the Local Plan.
If the change of use requires alterations to the building, then listed building consent must be obtained before the change of use can be approved.
   
8.26 Listed building consent will also be required for any physical alterations to the building. This will need to be considered at the same time as the planning application for change of use to ensure that the building's special character is not harmed.
   
Alteration of Listed Buildings
8.27 Alterations to listed buildings may be necessary to ensure their continued use. It is very important, however, to ensure that these are kept to a minimum and carried out to a high standard to ensure that the special character of the building is retained. In judging whether alterations or extensions are acceptable it will be necessary to assess the elements that make up the building's special interest. These will include visual features, both internal and external, such as materials, decorative facades, staircases, window and door openings, roof design, boundary treatment, and means of enclosure. The special character of a building is also determined by its spaces and layout, and its archaeological or technological interest.
8.28 Listed Buildings vary greatly in the extent to which they can accommodate change without the loss of special interest. Some may actually benefit from alterations, whilst others may be sensitive to slight alterations, especially those with important interiors and fittings. In seeking the best solution for a particular building the Council will apply its normal development control policies flexibly, and will encourage applicants to pursue imaginative schemes.
Policy C6 Alteration of Listed Buildings
Consent will be given for alterations or extensions to listed buildings provided they:
(a) preserve the special character of the building; and,
(b) are appropriate in design, siting, scale, materials, and colours to the rest of the building and its setting; and
(c) retain the special features of the building, both internal and external; and,
(d) minimise any adverse effects on the layout of the building and its associated spaces, or its historic or architectural interest.
   
Listed Buildings and S.106 Agreements
8.29 There may be cases where, in order to secure the upkeep of important listed buildings, some "enabling" development is justified to generate the income necessary to carry out repairs and retain the existing use of the building. Normal development control policies will need to be applied flexibly in order for this type of development to be permitted.
Policy C7 Listed Buildings and S.106 Agreements
Development which is proposed specifically to provide for the upkeep of listed buildings will be permitted provided that:
(a) it can be demonstrated that no alternative viable use can be found which is compatible with the fabric, interior, or setting of the building; and,
(b) the owners of the building in question will ensure that the new development secures the future upkeep of the listed building; and,
(c) it preserves the setting and special architectural or historic interest of the listed building.
   
8.30 Applicants must demonstrate that no use can be found for the listed building in question which is both sufficiently viable to provide for its upkeep and yet compatible with its character. In granting permission for such development, the Council will need to ensure that the profits generated by the development are used to secure the future of the listed building. This could be achieved through the use of legal agreements (under S.106 of the 1990 Act) which may include specification of any repairs required, and the establishment and management of a fund to provide for future maintenance.
   
Parks and Gardens of Special Historic Interest
8.31 English Heritage compile a register of gardens or parks of special historic interest. The purpose of this register is to identify important historic parks and gardens, to increase awareness of the existence of these gardens, and to encourage their protection and conservation.
8.32 The register entails no additional statutory control. However, historic interest must be taken into account by the Council when it is deciding planning applications for proposals in or near to one of the registered parks or gardens.
8.33 The following are included in the Register:
 
  • Avenham Park;
  • Avenham Walk;
  • Miller Park;
  • Haslam Park;
  • Moor Park;
  • The Willows, Pedders Lane, Ashton.
Policy C8 Parks and Gardens of Special Historic Interest
Development within, or affecting the setting of, a park or garden of special historic interest will only be permitted provided that:
(a) it is consistent with the historic character of the park or garden in terms of its design and scale;
(b) it conforms to other Local Plan policies particularly those concerning greenspace.
   
Archaeological Features
8.34 Archaeological remains are a finite and non-renewable resource; they are often fragile and vulnerable to damage and destruction. They are part of our national heritage and are valuable both for their own sake and for their role in education, leisure, and tourism. Appropriate safeguards are therefore essential to ensure that archaeological sites and monuments are not needlessly destroyed.
8.35 A wide range of archaeological remains have been found in the Preston area. These include examples of the pre-historic, Roman, and medieval periods. Remains of the post-medieval period are quite common in the City and range from 17th and 18th century halls to industrial sites associated with Britain's rise as an industrial nation.
8.36 There are three Scheduled Ancient Monuments in the City (Cromwell's Mound, Penwortham Old Bridge, and Chingle Hall). There are however many other sites of archaeological interest which need to be taken into account in the Council's consideration of planning applications. Some but not all of these sites are identified on the Lancashire Sites and Monuments Record (LSMR). Many have not been investigated in detail, so it may be necessary for an archaeological evaluation to be undertaken so that a full appreciation of the importance of the archaeological remains can be obtained. Early consultation with the LSMR can help to avoid potential problems.
Policy C9 Archaeological Features
(a) Where nationally important archaeological remains, whether scheduled or not, and their settings are affected by the proposed development there will be a presumption in favour of their physical preservation and in such cases planning permission will be refused.
(b) When development proposals affect a known or possible archaeological site of lesser importance they will be considered on their merits. Proposals affecting such sites will require an archaeological assessment/ evaluation to be submitted as part of the planning application. Planning permission will not be granted without adequate assessment of the nature, extent and significance of the remains present and the degree to which the proposed development is likely to affect them.
Where the assessment/ evaluation indicates that preservation of the archaeological remains in situ is justified, developers will be required to avoid damage to the remains through careful design, siting and layout of the development and, if necessary, make provision for the excavation and management of the remains.
Where preservation in situ is not justified, developers will be required to make appropriate and satisfactory provision for recording the remains before development commences.
Access for the Council's nominated archaeologist will be required to any site where a known archaeological interest is affected by development or any other site where such interest could be exposed.
   
8.37 This policy reflects the advice in PPG 16 (Archaeology and Planning) concerning sites of national importance and also those of local interest. Planning applications are to be considered in terms of their archaeological significance, and the Council will work with the Lancashire Sites and Monuments Record (LSMR).
8.38 Where it is considered in the light of the assessment or evaluation that preservation of the archaeological remains in situ is justified, developers will be required to make every effort to avoid damage to the remains through careful design, siting and layout of the development, and if necessary make appropriate and satisfactory provision for the excavation and management of the remains.
8.39 Where preservation in situ is not justified, developers will be required to make appropriate and satisfactory provision for recording the remains before development commences. Access for the Council's nominated archaeologist will be required to any site where a known archaeological interest is affected by development or any other site where such interest could be exposed.
8.40 The Council will, in appropriate cases, seek to enter into legal obligations with developers under Section 106 of the Town and Country Planning Act 1990, specifying the provision to be made for funding of the archaeological activities described above, the preservation, wherever possible "in situ", of significant remains and artefacts, and the production of a complete site archive, including research, publication and display activities.
   
   
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