Planning application
105 Blenheim Crescent, London, W11 2EQ
Works: Extension
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
New lower ground floor rear extension and associated landscaping works with replacement of existing Upper Ground Floor rear terrace and railings. First floor terrace and railings to be replaced, like for like.
As published by the council, reference PP/26/02988
Application record
- Reference
- PP/26/02988
- Type
- Planning Permission
- Status
- Pre-Determination Stage
- Received
- 5 Jun 2026
- Ward
- Norland
- Parish
- 11
- Postcode
- W11 2EQ
Site history
Applications at this address on the Kensington and Chelsea register
This site has had 4 applications since 2025: 3 approved, 0 refused.
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ARB/26/03097 Granted
105 Blenheim Crescent, London, W11 2EQ
FELL 1x Fruit tree in the rear garden
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PP/26/00248 Granted
105 Blenheim Crescent, London, W11 2EQ
Replacement of old extraction unit with new air con unit to internal elevation of rear parapet wall.
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PP/25/06421 Granted
105 Blenheim Crescent, London, W11 2EQ
Replacement of existing box sash windows to front and rear elevations - like for like but with slimline double glazing. Replacement of 3 existing rear doors to the upper ground floor rear elevation - like for like but with slimline double glazing. Replacement of existing felt roof with traditional slate roof and the addition of 4no conservation style Velux windows and additional 5th conservation style skylight over landing area.
Timeline
Dates from the published record
-
5 Jun 2026
Received by Kensington and Chelsea
-
20 Jul 2026
Added to PlanIndex
-
10 Aug 2026
Status changed to Pre-Determination Stage
Previously Validated and Registered.
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Decision
Awaiting decision
Decision expected by 31 July 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Kensington and Chelsea took a median of 84 days over the applications it decided in the last year.
Documents
Plans, drawings, consultee responses and the officer's report
30 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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with Kensington and Chelsea for determination, against a statutory target of eight weeks. Over the last year Kensington and Chelsea decided full applications in a median of 111 days. More in our guide to how long planning decisions take.
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
-
105 Blenheim Crescent, London, W11 2EQ
Replacement of old extraction unit with new air con unit to internal elevation of rear parapet wall.
Granted Full applications 27 docs -
123 Blenheim Crescent, London, W11 2EQ
Details required by condition 5 (Flood Risk Assessment/Sustainable Drainage Systems Strategy) of planning permission 21/07299 (Renovation and reconfiguration of ground and lower ground floors and installation of new rear windows/doors to ground and lower ground floors)
Granted Conditions Windows or glazing 7 docs -
-
89 Blenheim Crescent, London, W11 2EQ
94% historically approved · decision due ~4 Aug
Retention of two air condenser units within an acoustic enclosure, in the rear garden area. (Retrospective Application) (AMENDED DESCRIPTION)
Awaiting decision Full applications 34 docs -
115 Blenheim Crescent, London, W11 2EQ
Installation of retractable awning to rear bay window at upper ground floor (Retrospective Application)
Granted Full applications Windows or glazing 14 docs -
105 Blenheim Crescent, London, W11 2EQ
Replacement of existing box sash windows to front and rear elevations - like for like but with slimline double glazing. Replacement of 3 existing rear doors to the upper ground floor rear elevation - like for like but with slimline double glazing. Replacement of existing felt roof with traditional slate roof and the addition of 4no conservation style Velux windows and additional 5th conservation style skylight over landing area.
Granted Full applications Loft or dormer Roofing +1 25 docs
Other full applications
In Kensington and Chelsea
-
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
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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.
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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.