12 February 2015 · Delegated - Director of Planning and Building Control
Derby House, Castle Street, Castletown, Isle Of Man, IM9 1la
The proposal involved replacing eight timber windows (four fixed casements and four sliding sashes) on the rear elevation of Derby House (Former Post Office), a two-storey stone building with traditional features including timber sliding sashes and prominent chimney stacks, located in Castletown Conservation Area.
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The officer assessed the proposal against Planning Circular 1/98, which states that if original windows cannot be repaired, replacements must match in all respects including materials, and this policy…
Environment Policy 35
Requires development in Conservation Areas to preserve or enhance character and protect special features. The officer found the uPVC windows would fail this test by harming the area's appearance through removal of original timber features, even at the rear.
Planning Circular 1/98, The Alteration and Replacement of Windows
Replacement windows must match originals in materials, opening, and design unless repair impracticable and exceptional circumstances allow relaxation; strictly applied here with no justification submitted.
