12 July 2022 · Director of Planning and Building Control (Jennifer Chance)
Mannanan House, Market Square, Castletown, Isle Of Man, IM9 1rb
The proposal sought consent to replace existing double glazed UPVC casement windows on the front and side of Mannanan House, a three-storey limestone building with slate roof in the Castletown Conservation Area, with double glazed UPVC sliding sash windows.
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The officer assessed the impact on the special character of the registered building (RB 17) and the conservation area, concluding that replacing existing UPVC casement windows with UPVC sliding sash w…
Town and Country Planning Act 1999 Section 16 Registered buildings: supplementary provisions
Requires special regard to the desirability of preserving the building or its setting or features of special architectural or historic interest. The officer found UPVC windows do not preserve the historic timber sash windows on front/side elevations.
Strategic Policy 4
Proposals must protect or enhance the fabric and setting of Registered Buildings. Installation of UPVC fails to preserve or enhance the registered building's fabric and setting.
Environment Policy 32
Extensions or alterations to a Registered Building which detrimentally affect its special character will not be permitted. UPVC windows detrimentally affect the building's character as a structure of special interest.
Environment Policy 35
Within Conservation Areas, only development preserving or enhancing character will be permitted. Proposals fail to preserve or enhance the Castletown Conservation Area's character.
Planning Policy Statement 1/01 Policy RB/5 Alterations and Extensions
Requires justification that alterations preserve special interest; applicants must show works are desirable/necessary with full impact assessment. No such justification provided for UPVC.
Planning Circular 1/98, The Alteration and Replacement of Windows
Replacement windows in Registered Buildings must match originals in method of opening, materials, and detailed design. Proposed UPVC differs from historical timber.
no highways interest in the application
Highway Services Division responded with no highways interest (NHI) in PA 22/00673/CON and no significant negative impact (DNO) for associated PA 22/00672/GB, advising that highway licences may be necessary during works.
Highway Services Division
No Objectionthere is no Highways HDC interest (NHI) in: 22/00673/CON; After reviewing this Application [22/00672/GB], Highway Services HDC finds it to have no significant negative impact upon highway safety, network functionality and /or parking.; The Applicant is advised that highway licences may be necessary for use of the highway during works for equipment and materials.
