Section 73 Application (Minor Material Amendment) to vary Condition 2 (Approved Plans) of Planning Permission P2025/2972/FUL dated 29/01/2026 for 'erection of part single, part three storey rear extension, raising of ridgeline, replacement timber double glazed windows throughout, installation of 2no. new rooflights, replacement front and side boundary walls, installation of air source heat pump and bicycle storage.' The amendments relate principally to the detailed design, footprint, materiality and roof form of the rear extension.
16 Kelross Road, London, N5 2QS
FINAL DECISIONReference: P2026/1765/S73London Borough of Islington
Last published check: 29 Sept 2026, 20:31. Check the council record for more recent changes.
Application location
16 Kelross Road, London, N5 2QS
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Application summary
Status
FINAL DECISION
Application type
Removal/Variation of Condition (Section 73)
Received
3 Jul 2026
Validated
3 Jul 2026
Determination deadline
27 Aug 2026
Local authority
London Borough of Islington
Application overview
Section 73 Application (Minor Material Amendment) to vary Condition 2 (Approved Plans) of Planning Permission P2025/2972/FUL dated 29/01/2026 for 'erection of part single, part three storey rear extension, raising of ridgeline, replacement timber double glazed windows throughout, installation of 2no. new rooflights, replacement front and side boundary walls, installation of air source heat pump and bicycle storage.' The amendments relate principally to the detailed design, footprint, materiality and roof form of the rear extension.
Proposal details
Reference
P2026/1765/S73
Alternative references
PP-15055607
Ward
Highbury
Agent
Mr Chris Maltby
UPRN
5300053772
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S73 - CONSENT LIMITED TO THAT OF ORIGINAL PERMISSION: The development hereby permitted shall be begun not later than the expiration of 29/01/2029. REASON: To ensure the commencement timescale for the development is not extended beyond that of the original planning permission granted on 29/01/2026 LBI ref: P2025/2972/FUL. Furthermore, to comply with the provisions of Section 91(1)(a) of the Town and Country Planning Act 1990 as amended by the Planning and Compulsory Purchase Act 2004 (Chapter 5).
DRAWING AND DOCUMENT NUMBERS: The development hereby approved shall be carried out in accordance with the following approved plans: Plans withstanding planning permission P2025/2972/FUL: BW175 - BW - ZZ - ZZ - DR - A – 0001 (Site Location Plan) BWXXX - BW - ZZ - B1 - DR - A – 0002 (Proposed Site Block Plan); BWXXX - BW - ZZ - B1 - DR - A – 0009 Revision C (Proposed Basement Plan); BWXXX - BW - ZZ - ZZ - DR - A – 0303 Revision B (Proposed South Elevation); BWXXX - BW - ZZ - ZZ - DR - A – 0402 Revision A (Proposed Section 02); Design and Access Statement [Built Works; October 2025]; Sustainable Design and Construction Statement [November 2025]. Noise Impact Assessment [August 2025]. New Plans: BWXXX - BW - ZZ - 00 - DR - A – 0010 Revision E (Proposed Ground Floor Plan); BWXXX - BW - ZZ - 01 - DR - A – 0011 Revision C (Proposed Lower First Floor Plan); BWXXX - BW - ZZ - 01 - DR - A – 0012 Revision C (Proposed Upper First Floor Plan); BWXXX - BW - ZZ - 01 - DR - A – 0013 Revision B (Proposed Lower Second Floor Plan); BWXXX - BW - ZZ - 01 - DR - A – 0014 Revision C (Proposed Upper Second Floor Plan); BWXXX - BW - ZZ - 01 - DR - A – 0016 Revision C (Proposed Roof Plan); BWXXX - BW - ZZ - ZZ - DR - A – 0301 Revision B (Proposed Elevation 01 North); BWXXX - BW - ZZ - ZZ - DR - A – 0304 Revision C (Proposed Elevation 04 West); BWXXX - BW - ZZ - ZZ - DR - A – 0401 Revision C (Proposed Section 01); Design and Access Statement [O’Sullivan Skoufoglou Architects; June 2026]; Sustainable Design and Construction Statement [Hatton Planning; August 2026]. REASON: To comply with Section 70(1)(a) of the Town and Country Act 1990 as amended and the Reason for Grant and also for the avoidance of doubt and in the interest of proper planning.
MATERIALS (COMPLIANCE): The development shall be constructed in accordance with the schedule of materials noted on the approved plans and within the Design and Access Statement (October 2025 and June 2026). The development shall be carried out strictly in accordance with the details so approved and shall be maintained as such thereafter. REASON: In the interest of securing sustainable development and to ensure that the resulting appearance and construction of the development is of a high standard.
WINDOWS (COMPLIANCE): All replacement sash windows shall accurately replicate, in terms of material, style, pattern, frame dimensions and glazing bar profile as the original windows surviving to the terrace. They shall be painted timber, double-hung sash windows with a slim profile and narrow integral (not applied) glazing bars. The glazing shall be no greater than 16mm in total thickness. No trickle vents or metallic/perforated spacer bars are permitted. REASON: In order to safeguard the special architectural interest of the building.
CONSERVATION ROOFLIGHTS (COMPLIANCE): The rooflights shall be 'conservation grade rooflights' in metal painted black to sit flush with the roof covering and shall be maintained as such thereafter, unless otherwise agreed in writing by the Local Planning Authority. REASON: In order to protect the character and appearance of the Conservation Area.
FRONT BOUNDARY TREATMENT (COMPLIANCE): The width of the timber slats for the proposed timber fence atop the clump brick wall and timber gate shall match as closely as possible to the boundary treatment at No. 35 Kelross Road, unless otherwise agreed in writing by the Local Planning Authority. REASON: In order to safeguard the character and appearance of the Conservation Area.
NEW REAR WINDOWS (COMPLIANCE): Prior to first occupation, the additional rear window (upper first floor level) and two new rear windows (lower first floor level and lower second floor level) shall be constructed so that no part of the framework is less than 1.7m above finished floor level shall be openable. Any part below that level shall be fitted with, and retained in, purpose made obscure glazing to a minimum of level 3 on the standard scale. REASON: To safeguard neighbouring amenity in accordance with Policy PLAN1 of the Islington SDMP (2023).
NOISE (COMPLIANCE): The design and installation of the Air Source Heat Pump shall be such that when operating the cumulative noise level LAeq Tr arising from the proposed plant, measured or predicted at 1m from the facade of the nearest noise sensitive premises, shall not exceed a rating level of 42dBA and shall be a rating level of at least 5dB(A) below the background noise level LAF90 Tbg at all times. The measurement and/or prediction of the noise should be carried out in accordance with the methodology contained within the Microgeneration Certification Scheme Planning Standards. REASON: To protect neighbour amenity.
The applicant is advised that Islington have a duty to investigate any complaints in terms of statutory nuisance. It is also advised that the plant is checked upon installation and regularly checked, maintained and serviced to ensure noise levels do not rise or acoustic character such as tonality, intermittency, impulsivity or other acoustic character develop.
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