29 February 2024 · Head of Development Management (Stephen Butler)
10, Harris Terrace, Douglas, Isle Of Man, IM1 3lz
The proposal involves replacing the existing timber sliding sash windows on the front and rear elevations of 10 Harris Terrace, a mid-terraced Georgian property and Registered Building (No. 261), with uPVC vertical sliding sash windows, plus bottom-opening casement windows on the ground floor annex side.
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The main concern centred on the Registered Building (No. 261) and proposed alterations, requiring special regard to preserving the building, its setting, and features of special architectural or histo…
Strategic Policy 4
Requires proposals to protect or enhance Registered Buildings, Conservation Areas, and historic settings. Officer assessed that uPVC sliding sash replacements preserve (neutral impact) the building and setting, consistent with precedents on the terrace.
General Policy 2
Permits development respecting site, surroundings, scale, design, townscape character, and amenity. Proposal complies as it does not adversely affect conservation area character, public amenity, or streetscene, with sliding sash style mitigating non-traditional uPVC.
Environment Policy 32
Prohibits extensions/alterations detrimentally affecting Registered Building character. Alterations preserve character and setting, not detrimental given precedents and neutral impact.
Environment Policy 34
Prefers traditional materials in pre-1920 buildings. uPVC not traditional but accepted due to sliding sash replication and prior uPVC approvals on terrace, avoiding inconsistency.
Environment Policy 35
Permits only development preserving/enhancing Conservation Area character. Proposal preserves character and appearance, protecting special features.
Time limit
The development hereby approved shall be begun before the expiration of four years from the date of this decision notice. Reason: To comply with Article 26 of the Town and Country Planning (Development Procedure) Order 2019 and to avoid the accumulation of unimplemented planning approvals.
no objection
no highway interest
Although UPVC not generally acceptable, previous approvals on terrace properties mean it may not be reasonable to insist on timber; structural repairs positive for historic survival
Douglas Borough Council, Highway Services, and DEFA Registered Buildings Officer all raised no objections to application 24/00047/GB for replacement of windows with UPVC vertical sliding sash windows at 10 Harris Terrace.
Douglas Borough Council
No ObjectionDouglas Borough Council has no objections.; 24/00047/GB - Proposed Replacement of existing windows with Upvc vertical sliding sash windows 10 Harris Terrace Douglas Isle Of Man IM1 3LZ
Highway Services HDC
No ObjectionThe following planning applications have no significant negative impact upon the highway network in terms of highway safety, highway operation and car parking. Highway Services HDC does not oppose (DNO) the following applications.; Highway Services HDC has no interest (NHI) in: 24/00047/GB
DEFA Assistant Registered Buildings Officer
SupportAlthough the use of UPVC replacement windows is not generally acceptable in registered buildings, in this instance approval has been granted previously for UPVC replacements on several of the other properties within the registered terrace (including numbers 6 and 4). With this in mind, it may not be judged reasonable to insist on timber replacements on this particular property.; The structural repairs that form part of this application will help ensure that this historic terrace survives in the long-term as an example of the style and form of dwellings constructed in 1830s Douglas.; The repair of the lintels within this application is considered positive.
