12 Moore Street, London, SW3 2QN Data via plota.co.uk
Proposal
Erection of part single-storey, part two-storey rear extension at lower ground and upper ground floor levels, including formation of roof terrace above lower ground floor element, raising of existing trellises above side boundary walls alongside roof terrace, and reconfiguration of lower ground floor patio, rear garden and garden steps; replacement of existing upper ground floor door and window to rear elevation of closet wing with French doors, together with reconstruction of existing external staircase providing access to rear garden; replacement of existing first-floor French doors to rear elevation of closet wing with window; reconstruction of existing first-floor conservatory to rear elevation, including replacement of existing curved polycarbonate roof with pitched glazed roof; installation of three rooflights to two inward-facing roof slopes of existing butterfly roof; replacement of existing lower ground floor entrance door within front lightwell; and replacement of all existing single-glazed timber sash windows throughout property with double-glazed timber sash windows. Data via plota.co.uk
Application progress
Approved on 5 Oct 2026 · Last checked 19 Oct 2026
Site constraints 8
Show all 24 with distances
- 21 m1-23, Halsey Street Sw3Grade II
- 52 m24-47, Halsey Street Sw3Grade II
- 59 mChurch of St Simon ZelotesGrade II*
- 71 m74, Cadogan Square Sw1Grade II
- 75 m72, Cadogan Square Sw1Grade II*
- 78 m70, Cadogan Square Sw1Grade II
- 83 m68, Cadogan Square Sw1Grade II*
- 87 m10, Milner Street Sw3Grade II
- 87 m64 and 66, Cadogan Square Sw1Grade II
- 90 mLennox LodgeGrade II
- 95 mStuart HouseGrade II
- 95 mChurch of St MaryGrade II*
- 96 m62 and 62b, Cadogan Square Sw1Grade II*
- 97 mSt Josephs Roman Catholic Primary School - Blocks to Rear and Left of PlaygroundGrade II
- 115 mSt Mary's RectoryGrade II
- 117 m63-79, Cadogan Square Sw1Grade II
- 118 m60 AND 60A, CADOGAN SQUARE SW1 (See details for further address information)Grade II
- 121 m2-58, Ovington Street Sw3Grade II
- 125 m54-58, Cadogan Square Sw1Grade II
- 126 m17-43, Lennox Gardens Sw1Grade II
- 131 m1-57, Ovington Street Sw3Grade II
- 132 mSt Mary's Rectory
- 135 m6-16, Cadogan Gardens Sw3Grade II
- 149 mShuckburgh Arms Public HouseGrade II
Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Building
From the energy performance certificate lodged in June 2025, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate
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Important details
- Council
- Kensington and Chelsea
- Application type
- Planning Permission
- Postcode
- SW3 2QN
- Received
- 10 Aug 2026
- Validated
- 10 Aug 2026
- Ward
- Brompton and Hans Town
- Case officer
- Show
- Target decision
- 5 Oct 2026
- Decision
- Granted
- Decision date
- 5 Oct 2026
- Applicant
- Show
How this decision compares
Decided in 56 days from validation, 27 days faster than Kensington and Chelsea's median of 83 for extensions. Approved, as 95% of extensions here are.
Plota live figures for extensions decided by Kensington and Chelsea in the last twelve months, from validation. Kensington and Chelsea decision record →
Consultation & key dates
- Comments by
- 4 Sept 2026
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Kensington and Chelsea ranks #174 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (94%) than the national average (90%).
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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12 Moore Street, London, SW3 2QN
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