Planning application
18 Clarendon Road, London, W11 3AB
Works: Extension Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Replacement of the existing conservatory (part retrospective), internal alterations with a lowered lower ground floor slab, installation of a condenser unit, front garden and lightwell landscaping with new paving and railings, slimline double-glazed window replacements, and roof works including a skylight and timber repairs.
As published by the council, reference PP/26/01223
Application record
- Reference
- PP/26/01223
- Type
- Planning Permission
- Status
- Decided
- Decision
- Grant Planning Permission/Consent
- Received
- 13 Jan 2026
- Decided
- 23 Jun 2026
- Ward
- Norland
- Parish
- 11
- Postcode
- W11 3AB
Site history
Applications at this address on the Kensington and Chelsea register
This site has had 4 applications since 2020: 2 approved, 0 refused.
-
LB/26/01763 Awaiting decision
18 Clarendon Road, London, W11 3AB
Survey and repair of staircase with fabric replacement
-
LB/26/01224 Granted
18 Clarendon Road, London, W11 3AB
Replacement of the existing conservatory (part retrospective), internal alterations with a lowered lower ground floor slab, installation of a condenser unit, front garden and lightwell landscaping with new paving and railings, slimline double-glazed window replacements, and roof works including a skylight and timber repairs.
-
LB/20/04209 Withdrawn
18 Clarendon Road, London, W11 3AB
External refurbishment and window replacement ***WITHDRAWN***
Timeline
Dates from the published record
-
13 Jan 2026
Received by Kensington and Chelsea
-
23 Jun 2026
Decision issued: Grant Planning Permission/Consent
-
20 Jul 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
36 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 23 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 full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
18 Clarendon Road, London, W11 3AB
96% historically approved · decision due ~5 May
Survey and repair of staircase with fabric replacement
Awaiting decision Heritage and listed buildings 15 docs -
12 Clarendon Road, London, W11 3AB
Restoration of front iron balustrade. Enlargement of window to front elevation. Internal refurbishment with internal structural change to listed fabric. Replacement of 3 pairs of french doors to rear facade. New french windows to upper ground floor balcony. Replacement conservation rooflights to stairwell and outrigger.
Refused Full applications Extension Loft or dormer +1 27 docs -
18 Clarendon Road, London, W11 3AB
Replacement of the existing conservatory (part retrospective), internal alterations with a lowered lower ground floor slab, installation of a condenser unit, front garden and lightwell landscaping with new paving and railings, slimline double-glazed window replacements, and roof works including a skylight and timber repairs.
Granted Heritage and listed buildings Extension Windows or glazing 7 docs -
12 Clarendon Road, London, W11 3AB
Restoration of front iron balustrade. Enlargement of window to front elevation. Internal refurbishment with internal structural change to listed fabric. Replacement of 3 pairs of french doors to rear facade. New french windows to upper ground floor balcony. Replacement conservation rooflights to stairwell and outrigger.
Refused Heritage and listed buildings Extension Loft or dormer +1 24 docs -
18 Clarendon Road, London, W11 3AB
External refurbishment and window replacement ***WITHDRAWN***
Withdrawn Heritage and listed buildings Windows or glazing 1 doc -
26 Clarendon Road, London, W11 3AB
Details required by condition nos. 3f and 3j (Submission of details) of listed building consent 23/07819 (Internal refurbishment and reconfiguration throughout. Installation of comfort cooling, with condenser unit located at rear of garden. Removal of trees to front lightwell. Alterations to rear garden, including new hard landscaping, lawn and extended sunken garden connected to lower ground floor. Converting a window to an external door to form access to garden. Replacement of all windows, with slimline double glazed windows. External redecoration of fa?ade and balconies/metalwork. External alterations to non-original rear extension, including replacing rooflight, and new windows and doors. Installation of six PV panels to roof)
Granted Conditions Extension Loft or dormer +2 11 docs
Other full applications
In Kensington and Chelsea
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PP/18/01985 Withdrawn
Flat 3, 24 Cornwall Gardens, London, SW7 4AW
Works to second floor flat including erection of rear extension, creation of external roof terrace areas above and to rear of said extension (with perimeter metal railings), together with internal alterations including removal of internal wall between kitchen and living room, and other refurbishment works
-
PP/26/03176 Granted
12 Shawfield Street, London, SW3 4BD
Replacement windows, new rooflight and replacement lower ground rear rooflights.
-
PP/26/03048 Granted
24 Charles II Place, London, SW3 4NG
Removal of existing conservatory structure. Construction of a single-storey rear extension at lower ground floor level. Installation of a contemporary three-panel sliding glazed door opening onto rear garden. Internal reconfiguration at lower ground floor level.
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PP/26/03042 Granted
Flat 7, 7 Egerton Place, London, SW3 2EF
Installation of air conditioning system including external condenser unit housed within enclosure at roof level. Replacement of roof lantern, rooflight and roof access hatch with flat glazed access hatch and rooflights. Replacement of two rear elevation uPVC windows with timber-framed slimline double-glazed sliding sash windows; and associated external alterations.
-
PP/26/02897 Withdrawn
46 Evelyn Gardens, London, SW7 3BH
Positioning of two new external heat pump condensers within two separate acoustic enclosures, one on main roof of house and other on rear forth floor roof terrace.