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 LB/26/01224
Application record
- Reference
- LB/26/01224
- Type
- Listed Building Consent
- 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
-
PP/26/01223 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LB/20/04209 Withdrawn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External refurbishment and window replacement ***WITHDRAWN***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
7 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 heritage and listed building applications
Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. 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 Full applications Extension Windows or glazing 36 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 heritage and listed building applications
In Kensington and Chelsea
-
LB/26/03098 Granted
14 Holland Street, London, W8 4LT
Removal on non-original furniture, fixtures and fittings. Installation of new coffee shop to include new floor finish over existing screed floor (floor boards retained), new light fittings, new coffee counter, plumbing and services. Limited refurbishment to shop front such as painting and new sign in place of existing.
-
LB/26/02918 Granted
220 and 222 Earl's Court Road, London, SW5 9QA
Proposed installation of roof top plant and internal alterations
-
LB/26/02796 Granted
Flat 8, 89 Onslow Square, London, SW7 3LT
Strip out entire property for a full refurbishment to include blocking up one entrance into the sitting room, supply and fit new kitchen and appliances, plumb in 2x new bathrooms, supply and fit new radiators where necessary, re-decorate entire property; supply and lay wooden floor in hallway with acoustic insulation.
-
LB/26/02366 Withdrawn
10 Palace Gate, London, W8 5NF
Replacement of exsiting defective internal rainwater downpipe.(Retrospective Application)
-
LB/26/02248 Withdrawn
41 Halsey Street, London, SW3 2PT
Refinements to lower ground floor conservatory and basement extension through removal of low external wall, installation of full height sliding doors, and reinstatement of larger external steps. Replace glazed flat roof at ground floor level with glass-box extension incorporating solid floor structure and internal walk on rooflight. Installation of glazed sliding doors out to a Juliet balcony with metal railings balustrade. Create access from living room by lowering sill of window to form archway; Single-storey extension to closet wing, aligning depth with No.?40 Halsey Street. New timber-framed glazed doors to the rear of extended wing. Widening opening to half-level study within partition to accommodate new double doors. Sunroom will include full-height sliding doors and Juliet balcony with painted or PPC metal balustrades.