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24/01100/CON Page 1 of 5
PLANNING OFFICER REPORT AND RECOMMENDATIONS
Application No. : 24/01100/CON Applicant : Mr & Mrs Ann & David Giroux Proposal : Registered Building Consent for internal and external alterations including the installation of roof maintenance access system, replacement of modern or damaged lintels, reinstatement of an internal wall within Bake House and construction of a new chimney stack on gable, and the installation of additional rainwater goods to Tower - RB 1 (in association with application 24/91083/GB). Site Address : Bishopscourt Mansion House Bishopscourt Kirk Michael Isle Of Man IM6 2EZ
Technical Officer: Tom Sinden Photo Taken : Site Visit : Expected Decision Level : Officer Delegation
Recommendation
Recommended Decision:
Permitted Date of Recommendation: 06.01.2025 __
Conditions and Notes for Approval C : Conditions for approval N : Notes attached to conditions
C 1. The works hereby granted registered building consent shall be begun before the expiration of four years from the date of this consent.
Reason: To comply with paragraph 2(2)(a) of schedule 3 of the Town and Country Planning Act 1999 and to avoid the accumulation of unimplemented registered building consents.
C 2. For the avoidance of doubt, this approval relates to lintel works as specifically indicated on the listed proposed drawings. No permission is hereby granted for any replacement lintels other than those indicated on the approved drawings.
Reason: To ensure that the building's historic fabric is appropriately preserved and protected.
This application has been recommended for approval for the following reason. It is judged that the proposals within this application would pass the tests of section 16 of the Act as the building's setting and features of special interest are being preserved by the reintroduction of the Bake House Chimney, oven, proposed scullery wall and the proposed lintel works. Although the proposed roof maintenance system would add a modern element that would be partially visible on the building's roofs, the position and form of the system is judged to be such that the building's overall special interest would not be significantly harmed. Furthermore, as the system will enable to safe access to the roof areas to facilitate the proper
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maintenance and upkeep of the historic fabric of the building at high level, any harm is judged to be offset by the long-term benefits to the historic fabric. The application is also judged to be in accordance with Strategic Policy 4, and Environment Policies 32 and 34 of the Strategic Plan as the proposals would protect and preserve the special interest of the registered building and its setting, and traditional materials are being used for the chimney, oven and replacement lintels. The application is therefore judged to be acceptable.
Plans/Drawings/Information;
This decision relates to the following ADAM Architecture drawings, all received on 11.10.2024: 6296 PL1000; 6296 PL1003; 6296 PL1004; 6296 PL1005; 6296 PL1006; 6296 PL1007; 6296 PL1008; 6296 PL1009; 6296 PL2010; 6296 PL2011; 6296 PL2020 and 6296 PL3010.
This decision also relates to Integral Engineering Design drawings: 1405-INT-BH-ZZ-DR-S-0010 S1-P01 received 10.12.2024; 1405-INT-BH-ZZ-DR-S-0015 S1-P01 received 10.12.2024; 1405-INT-BH-ZZ-DR-S-0020 S1-P01 received 10.12.2024; 1405 SK002 received 10.12.2024; 1405 SK016 received 10.12.2024 and 1405 SK012 received 18.12.2024. __
Interested Person Status None __
Officer’s Report
1.0 THE SITE
1.1 The site is Bishopscourt, a registered building (RB 1). A large house, formerly the home of The Bishop of Sodor and Mann and thought to have been founded by Bishop Simon (Bishop from 1230 to 1248). The house and remaining estate were sold into private ownership in 1979. The oldest existing section of the building, part of 'King Orry's Tower', is thought to date from the end of the 14th Century. The property is not located within a conservation area.
2.0 THE PROPOSAL
2.1 This application for registered building consent seeks approval to construct a chimney on the gable of the Bake House, install a roof maintenance access system on the main building, and replace numerous existing lintels on all elevations of the building. Internally the application proposes to install additional structure within the existing roof in order to support the roof maintenance system, and to construct a traditional baking oven with associated flues against the gable linking to the proposed new chimney. Finally, it is proposed to form an internal wall between the scullery and new oven at ground floor level within the Bake House.
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3.0 PLANNING POLICY
3.1 National policy: THE ISLE OF MAN STRATEGIC PLAN 2016 Strategic Policy 4 Environment Policy 32 Environment Policy 34
3.2 Planning Policy Statements: 1/01 Policy and Guidance Notes for the Conservation of the Historic Environment of the Isle of Man POLICY RB/5
4.0 OTHER MATERIAL CONSIDERATIONS
4.1 TOWN AND COUNTRY PLANNING ACT 1999 S16 Registered buildings: supplementary provisions
5.0 PLANNING HISTORY
5.1 Prior to 2020, there are a number of historic application at the property that are not judged to be relevant to the current application. Since the current owners purchased the property, RB consent and planning approval was granted for replacement roofs to the tower, hall and west wing (21/01300/CON, 21/01301/GB, 21/01414/GB and 21/01416/CON). Applications 22/00446/GB and 22/00328/CON permitted the removal of an external staircase, various structural repair works and extensive internal repair and restoration works. 22/00773/CON approved the restorations to the tower crenellations, while application 22/01168/CON approved the installation of replacement windows. Applications 23/00253/CON and 23/00254/GB permitted further alterations internally, alterations to external openings and the installation of a dormer. Application 21/01297/B permitted ground level alterations and drainage. Most recently, applications 24/00341/GB and 24/00342/CON permitted the replacement of a modern garage on the building's south elevation with a single storey flat roof garage with a parapet wall.
6.0 REPRESENTATIONS Copies of representations received can be viewed on the Department's website. This report contains summaries only.
6.1 Manx National Heritage (MNH) were consulted on 18.10.2024 and 12.12.2024 following the receipt of additional information. At the time of writing this report (6.1.2025), no representation has been received, and as such it is assumed that the consultee has no comments to make.
6.2 Michael Commissioners were consulted on 18.10.2024 and 12.12.2024 following the receipt of additional information. At the time of writing this report (6.1.2025), no representation has been received, and as such it is assumed that the consultee has no comments to make.
7.0 ASSESSMENT
Statutory Test 7.1 Section 16 of the Act states that the "Department shall have special regard to the desirability of preserving the building or its setting or any features of special architectural or historic interest which it possesses." In this instance, the application proposes to construct a chimney on the gable of the Bake House, install a roof maintenance access system on the main building, and replace numerous existing lintels on all elevations of the building. Internally the application proposes to install additional structure within the existing roof in order to support the roof maintenance system, and to construct a traditional baking oven with associated flues against the gable linking to the proposed new chimney. Finally, it is proposed to form an internal wall between the scullery and new oven at ground floor level within the Bake House.
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7.2 Bake House Chimney The application has been supported by a planning statement that includes various historic images and plans showing the former existence of a chimney on the Bake House gable. Evidence shows that the overall plan form of the Bake House was reduced in the 1940s, and the current gable wall above first floor joist level is believed to date from this time (constructed off a historic wall below). Rather than reinstate the full extent of the Bake House plan form, which would have unknown repercussions in the ground and immediate vicinity, it is now proposed to construct a stone chimney on the existing gable to serve a newly constructed baking oven. Given that the chimney is proposed to be constructed off a wall that is in itself a reconstruction of the historic gable wall, it is judged that the introduction of the chimney would preserve the building's special architectural and special historic interest.
7.3 In association with the proposed new chimney on the Bake House gable (discussed within 7.2 above), the application proposes to construct a traditional baking oven at ground floor level and form an internal wall between the scullery and proposed new oven. Although the overall plan form of the Bake House is now smaller than it was historically, the reintroduction of a traditional baking oven within this area is judged to be something that would preserve the building's special interest. The formation of a wall between this oven and the scullery is also judged to be something that would not harm the building's special interest as the historic plan form is not intact in this room.
7.4 Repair and Replacement of Lintels Analysis of the condition of the existing lintels around the main building has been undertaken by the project's design team. This application proposes to replace the non-historic lintels and brick-formed arched lintels with locally sourced stone lintels. In addition to this, the existing historic lintels that show signs of cracking would be provided with additional support in the form of metal angle bracket. A thin band of lime render would then be introduced as a reveal around these openings. In terms of the building's special architectural interest, it is judged that the replacement of non-historic lintels in the manner proposed with local stone lintels would be acceptable and give a greater continuity of finish across the building's elevations. Whilst the used of metal angle brackets would introduce a non-historic element, given that their introduction would enable the building's historic lintels to remain in place, this proposal is something that is judged to preserve the building's special architectural interest.
7.5 Roof Access System It is proposed to install various 'mansafe' maintenance ladders, together with fixing points for fall arrest equipment, to facility to safe maintenance and upkeep of the high-level roofs. The installation would include the introduction of additional structure to accommodate the system. This would be in the form of the doubling up of rafters under the ladder connections, and the bolting of a steel channel along the length of existing purlins. As the purpose of these structural additions will be obvious, and the steel channels in particular will ensure that the existing purlins do not require replacement and will remain in situ, these proposed structural elements are judged to preserve the building's special interest. The ladders and their associated fixings are proposed to be finished in black, and whilst this will be visible against the natural slate roofs, it is judged that these obviously modern and functional elements will not detract from the historic building given the scale and massing of the complex.
Policy Tests 7.6 As discussed in sections 7.1 to 7.5, this application consists of multiple elements. The construction of a chimney on the existing Bake House gable wall will reintroduce an element that has been shown to be present in historic images of the building (although the gable is not now in the same position as it was when the chimney was present). As discussed above, the proposed chimney, oven and scullery wall are judged to be in a form and to use materials that would preserve and protect the building's special interest, and that would have no adverse impact on the building. As discussed in 7.4 above, the replacement of non-historic lintels with
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local stone is judged to be appropriate, and the introduction of additional support to the existing historic lintels is judged to preserve the building's special interest and to respect the building and its site. Finally, the proposed roof maintenance system is judged to have been situated and designed in such a manner as to minimise its visibility and also reduce any impact on the building's overall special interest.
8.0 CONCLUSION
8.1 It is judged that the proposals within this application would pass the tests of section 16 of the Act as the building's setting and features of special interest are being preserved by the reintroduction of the Bake House Chimney, oven, proposed scullery wall and the proposed lintel works. Although the proposed roof maintenance system would add a modern element that would be partially visible on the building's roofs, the position and form of the system is judged to be such that the building's overall special interest would not be significantly harmed. Furthermore, as the system will enable to safe access to the roof areas to facilitate the proper maintenance and upkeep of the historic fabric of the building at high level, any harm is judged to be offset by the long-term benefits to the historic fabric. The application is also judged to be in accordance with Strategic Policy 4, and Environment Policies 32 and 34 of the Strategic Plan as the proposals are judged to protect and preserve the special interest of the registered building and its setting, and traditional materials are being used for the chimney, oven and replacement lintels. The application is therefore recommended for approval.
9.0 INTERESTED PERSON STATUS
9.1 By virtue of the Town and Country Planning (Registered Buildings) Regulations 2013 (As Amended), the following are automatically interested persons:
o The applicant, or if there is one, the applicant's agent; o Manx National Heritage, and o The local authority in whose district the land the subject of the application is situated.
9.2 In addition to those above, the Regulation 9(3) requires the Department to decide which persons (if any) who have made representations with respect to the application, should be treated as having sufficient interest in the subject matter of the application to take part in any subsequent proceedings relating to the application.
9.3 The Department of Environment Food and Agriculture is responsible for the determination of planning applications. As a result, where officers within the Department make comments in a professional capacity they cannot be given Interested Person Status as per section 3.2.4 of the Operational Policy.
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I can confirm that this decision has been made by the Head of Development Management in accordance with the authority afforded to that Officer by the appropriate DEFA Delegation and that in making this decision the Officer has agreed the recommendation in relation to who should be afforded interested person status, and/or rights to appeal.
Decision Made : Permitted Date : 06.01.2025
Determining Officer Signed : S BUTLER
Stephen Butler
Head of Development Management Customer note This copy of the officer report reflects the content of the office copy and has been produced in this form for the benefit of our online service/customers and archive record.
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