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Planning application

105 Blenheim Crescent, London, W11 2EQ

Awaiting decision Kensington and Chelsea PP/26/02988 Planning Permission

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.

  • ARB/26/03097 Granted

    105 Blenheim Crescent, London, W11 2EQ

    FELL 1x Fruit tree in the rear garden

    Decided 10 Jul 2026
  • 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.

    Decided 29 Apr 2026 Full applications
  • 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.

    Decided 9 Apr 2026 Full applications

Timeline

Dates from the published record

  1. 5 Jun 2026

    Received by Kensington and Chelsea

  2. 20 Jul 2026

    Added to PlanIndex

  3. 10 Aug 2026

    Status changed to Pre-Determination Stage

    Previously Validated and Registered.

  4. 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 documents

What 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

    PP/26/00248 Submitted 2 Dec 2025 0m away

    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

    CON/22/00927 Submitted 10 Feb 2022 0m away

    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
  • 105 Blenheim Crescent, London, W11 2EQ

    ARB/26/03097 Submitted 10 Jun 2026 0m away

    FELL 1x Fruit tree in the rear garden

    Granted Trees 5 docs
  • 89 Blenheim Crescent, London, W11 2EQ

    PP/26/03065 Submitted 9 Jun 2026 0m away

    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

    PP/25/06434 Submitted 29 Oct 2025 5m away

    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

    PP/25/06421 Submitted 28 Oct 2025 25m away

    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

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

    Received 9 Apr, published by the council 1 Aug 2026 Full applications
  • PP/26/03176 Granted

    12 Shawfield Street, London, SW3 4BD

    Replacement windows, new rooflight and replacement lower ground rear rooflights.

    Received 15 Jun, published by the council 20 Jul 2026 Full applications
  • 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.

    Received 9 Jun, published by the council 20 Jul 2026 Full applications
  • 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.

    Received 9 Jun, published by the council 20 Jul 2026 Full applications
  • 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.

    Received 1 Jun, published by the council 20 Jul 2026 Full applications