r. 427 (b) a maximum height of 3·6m along the boundary. (3) Despite subregulation (2), if a fence abuts an existing wall it may be constructed to the same height as that wall. (4) This regulation does not apply to a fence if it is— (a) constructed on or within 150mm of a boundary that is a side or rear street alignment; or (b) provided to comply with regulation 419 or with a planning scheme that regulates the same matter as regulation 419 and— (i) is not more than 2·5m in height; and (ii) the part of the fence between 2·0m and 2·5m in height has between 20% and 25% of its area open. (5) The report and consent of the relevant council must be obtained to an application for a building permit in relation to a design that does not comply with this regulation. 427 Fences on street alignments (1) Despite regulation 425(1), the report and consent of the relevant council must be obtained to an application for a building permit to construct a fence within 9m of a point of intersection of street alignments and exceeding a height of 1m above the footpath. (2) A fence adjacent to a street alignment or public open space must not contain barbed wire or other sharp protrusions unless—
(b) a maximum height of 3·6m along the boundary. (3) Despite subregulation (2), if a fence abuts an existing wall it may be constructed to the same height as that wall. (4) This regulation does not apply to a fence if it is— (a) constructed on or within 150mm of a boundary that is a side or rear street alignment; or (b) provided to comply with regulation 419 or with a planning scheme that regulates the same matter as regulation 419 and— (i) is not more than 2·5m in height; and (ii) the part of the fence between 2·0m and 2·5m in height has between 20% and 25% of its area open. (5) The report and consent of the relevant council must be obtained to an application for a building permit in relation to a design that does not comply with this regulation. 427 Fences on street alignments r. 427 (1) Despite regulation 425(1), the report and consent of the relevant council must be obtained to an application for a building permit to construct a fence within 9m of a point of intersection of street alignments and exceeding a height of 1m above the footpath. (2) A fence adjacent to a street alignment or public open space must not contain barbed wire or other sharp protrusions unless—