Planning application
12 Kensington Square, London, W8 5HE
Works: Extension Loft or dormer Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Details required by Condition 3a (Glazing of rear LGF infill extension) attached to Listed Building consent Ref. LB/23/03486 dated 08th August 2023 (Extensions to existing building including basement extension under part of rear garden area with roof lights, light well and glazed infill extension and other internal and external alterations).
As published by the council, reference CON/26/00545
Application record
- Reference
- CON/26/00545
- Type
- Discharge of Conditions
- Status
- Decided
- Decision
- Discharge of Conditions - Grant
- Received
- 16 Dec 2025
- Decided
- 10 Jun 2026
- Ward
- Queen's Gate
- Parish
- 14
- Postcode
- W8 5HE
Site history
Applications at this address on the Kensington and Chelsea register
This site has had 6 applications since 2025: 2 approved, 4 refused.
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CON/26/00741 Granted
12 Kensington Square, London, W8 5HE
Details required by Condition 4A (glazing of rear LGF level infill extension) attached to planning permission Ref. PP/23/03485 dated 08th August 2023 (Extensions to existing building including basement extension under part of rear garden area with roof lights, light well and glazed infill extension and other internal and external alterations).
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PP/25/06499 Refused
12 Kensington Square, London, W8 5HE
Variation of condition 2 (compliance with approved drawings) of planning permission Ref. PP/23/03485 (Extensions to existing building including basement extension under garden area, lightwell infill extension and other internal and external alterations) dated 08th August 2023, to allow: removal of one rooflight and enlargement of other; change from the use of York stone to Portland stone; retention of original raised section at end of rear garden; retention of original fountain and replacement of original semi-circular pool with a rectangular one; change from Planting zone to raised bed with built-in seating (Retrospective).
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LB/25/06500 Refused
12 Kensington Square, London, W8 5HE
Variation of condition 2 (compliance with approved drawings) of listed building consent ref. LB/23/03486 dated 8th August 2023, to allow: removal of one rooflight and enlargement of other; change from the use of York stone to Portland stone; retention of original raised section at end of rear garden; retention of original fountain and replacement of original semi-circular pool with a rectangular one; change from Planting zone to raised bed with built-in seating (Retrospective).
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CON/25/06504 Refused
12 Kensington Square, London, W8 5HE
Details required by condition nos. 4d (basement rooflight), 4f (external paving), and 9 (landscaping) of planning permission ref. PP/23/03485 dated 08th August 2023 (Extensions to existing building including basement extension under garden area, lightwell infill extension and other internal and external alterations).
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CON/25/06505 Refused
12 Kensington Square, London, W8 5HE
Details required by condition nos. 3d (basement rooflight), 3f (external paving) and 9 (landscaping) of listed building consent ref. LB/23/03486 dated 08th August 2023 (Extensions to existing building including basement extension under garden area, lightwell infill extension and other internal and external alterations).
Timeline
Dates from the published record
-
16 Dec 2025
Received by Kensington and Chelsea
-
10 Jun 2026
Decision issued: Discharge of Conditions - Grant
-
20 Jul 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
11 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Kensington and Chelsea granted permission on 10 June 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About condition discharge and variation applications
This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
12 Kensington Square, London, W8 5HE
Details required by Condition 4A (glazing of rear LGF level infill extension) attached to planning permission Ref. PP/23/03485 dated 08th August 2023 (Extensions to existing building including basement extension under part of rear garden area with roof lights, light well and glazed infill extension and other internal and external alterations).
Granted Conditions Extension Loft or dormer +1 12 docs -
12 Kensington Square, London, W8 5HE
Variation of condition 2 (compliance with approved drawings) of planning permission Ref. PP/23/03485 (Extensions to existing building including basement extension under garden area, lightwell infill extension and other internal and external alterations) dated 08th August 2023, to allow: removal of one rooflight and enlargement of other; change from the use of York stone to Portland stone; retention of original raised section at end of rear garden; retention of original fountain and replacement of original semi-circular pool with a rectangular one; change from Planting zone to raised bed with built-in seating (Retrospective).
Refused Full applications Extension Loft or dormer 20 docs -
12 Kensington Square, London, W8 5HE
Variation of condition 2 (compliance with approved drawings) of listed building consent ref. LB/23/03486 dated 8th August 2023, to allow: removal of one rooflight and enlargement of other; change from the use of York stone to Portland stone; retention of original raised section at end of rear garden; retention of original fountain and replacement of original semi-circular pool with a rectangular one; change from Planting zone to raised bed with built-in seating (Retrospective).
Refused Heritage and listed buildings Loft or dormer 2 docs -
12 Kensington Square, London, W8 5HE
Details required by condition nos. 4d (basement rooflight), 4f (external paving), and 9 (landscaping) of planning permission ref. PP/23/03485 dated 08th August 2023 (Extensions to existing building including basement extension under garden area, lightwell infill extension and other internal and external alterations).
Refused Conditions Extension Loft or dormer 10 docs -
12 Kensington Square, London, W8 5HE
Details required by condition nos. 3d (basement rooflight), 3f (external paving) and 9 (landscaping) of listed building consent ref. LB/23/03486 dated 08th August 2023 (Extensions to existing building including basement extension under garden area, lightwell infill extension and other internal and external alterations).
Refused Conditions Extension Loft or dormer 13 docs -
St James House, 13 Kensington Square, London, W8 5HD
Re-building of leaning front garden wall in reinforced concrete with a painted rendered finish to match existing appearance.
Withdrawn Heritage and listed buildings 22 docs
Other condition discharge and variation applications
In Kensington and Chelsea
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CON/26/03046 Granted
15 Launceston Place, London, W8 5RL
Details required by condition 3 (Submission of details - (a) Elevations and sections depicting form of awning and enclosure, inclusive of means of fixing, and colour and pattern of awning fabric. b) 1:10 elevations and sections of windows demonstrating arrangement, glazing thickness, material, glazing bars, with glazing bars to be integral and true.) of listed building consent 26/01556 (eplacement and enlargement of rear roof dormer and replacement of windows. Removal of front facade drainage downpipe. Installation of surface mounted traditional awnings over rear offshoot 1st floor windows.)
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CON/26/03047 Withdrawn
2 Sloane Gardens, London, SW1W 8DL
Details required by condition 3 (Submission of details - (a) details of the waterproofing to the vaults) of listed building consent 25/05745 (Alterations to shopfront including lowering of windows, reinstatement of original entrance doors and fanlight and associated works; internal alterations, including restoration of historic features, removal of non-original partitions, revised ceiling arrangement; and reconfiguration of basement for back-of-house use with retention of historic masonry wall.).
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CON/26/02710 Granted
21 Holland Villas Road, London, W14 8DH
DOCUMENTS AND DRAWINGS ARE NOT AVAILABLE ELECTRONICALLY FOR THIS APPLICATION. PLEASE CALL THE CASE OFFICER. Details required by Condition 3b (submission of details) Details of the framing and glazing of the conservatory rooflight at upper ground floor level and the windows and doors to rear lower ground floor level) of planning permission PP/16/01994 (Creation of basement below lower ground floor level; construction of three storey rear extension, single storey side extensions, dormers to top floor and internal alterations)
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CON/26/03104 Granted
3 Earls Terrace, London, W8 6LP
Details required by Condition 3d (York Stone Sample) of listed building consent 24/08271 (Reinstatement of missing fireplaces and original room proportions. Installation of double glazed timber frame windows and doors on front and rear facades. Removal of lightings systems and recessed speakers.)
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CON/26/03015 Granted
30-33 Sloane Street, 49 Pavilion Road, 2-4 Hans Crescent and Garages to rear of Marland House, London, SW1X 9NE
Details required by Condition 16 (Thames Water - works) of planning permission 22/06706 (Partial demolition of 30-33 Sloane Street, retention of fa?ade and erection of a 5-storey building of Class E (commercial, business and service) including installation of shopfronts. Total demolition of no.2 Hans Crescent and erection of replacement building to provide Class E floorspace including a rooftop terrace. Reconfiguration and extension of ground floor of no. 49 Pavillion Road to re-provide Class E floorspace, including service corridor. Provision of substation in basement of no. 4 Hans Crescent. Provision of cycle storage and facilities, waste storage, plant, landscaping, photovoltaic panels, and other ancillary works (Major Application).