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Planning application

8 Cornwall Mews West, London, SW7 4BH

Granted Kensington and Chelsea PP/25/05733 Planning Permission

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Construction of second floor roof addition

As published by the council, reference PP/25/05733

Application record

Reference
PP/25/05733
Type
Planning Permission
Status
Decided
Decision
Grant Planning Permission/Consent
Received
19 Sep 2025
Decided
10 Mar 2026
Ward
Queen's Gate
Parish
14
Postcode
SW7 4BH

Site history

Applications at this address on the Kensington and Chelsea register

This site has had 3 applications since 2025: 2 approved, 0 refused.

  • CON/26/01491 Granted

    8 Cornwall Mews West, London, SW7 4BH

    Details required by Condition 3 (Construction Transport Management Plan) of planning permission PP/25/05733 (Construction of second floor roof addition)

    Decided 11 May 2026 Conditions
  • CON/26/02072 Withdrawn

    8 Cornwall Mews West, London, SW7 4BH

    Details required by Condition 3 (Construction Transport Management Plan) of planning permission PP/25/05733 (Construction of second floor roof addition)

    Decided 12 May 2026 Conditions

Timeline

Dates from the published record

  1. 19 Sep 2025

    Received by Kensington and Chelsea

  2. 10 Mar 2026

    Decision issued: Grant Planning Permission/Consent

  3. 20 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

2 later applications on the register refer to this one:

  • CON/26/01491 Granted

    8 Cornwall Mews West, London, SW7 4BH

    Details required by Condition 3 (Construction Transport Management Plan) of planning permission PP/25/05733 (Construction of second floor roof addition)

    Decided 11 May 2026 Conditions
  • CON/26/02072 Withdrawn

    8 Cornwall Mews West, London, SW7 4BH

    Details required by Condition 3 (Construction Transport Management Plan) of planning permission PP/25/05733 (Construction of second floor roof addition)

    Decided 12 May 2026 Conditions

Documents

Plans, drawings, consultee responses and the officer's report

27 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 documents

What this grant of permission means

Kensington and Chelsea granted permission on 10 March 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

  • 8 Cornwall Mews West, London, SW7 4BH

    CON/26/01491 Submitted 3 Apr 2026 22m away

    Details required by Condition 3 (Construction Transport Management Plan) of planning permission PP/25/05733 (Construction of second floor roof addition)

    Granted Conditions 12 docs
  • 8 Cornwall Mews West, London, SW7 4BH

    CON/26/02072 Submitted 3 Apr 2026 22m away

    Details required by Condition 3 (Construction Transport Management Plan) of planning permission PP/25/05733 (Construction of second floor roof addition)

    Withdrawn Conditions 8 docs
  • Cornwall Gardens Court, 47-50 Cornwall Gardens, London, SW7 4AD

    PP/26/02826 Submitted 28 May 2026 35m away

    Installation of a new lift, with associated lift shaft extending approximately 200mm above existing roof level and replacement glazing to south and east elevations to match existing.

    Granted Full applications Windows or glazing 23 docs
  • 10 St Mary's Place, London, W8 5UE

    PP/23/07173 Submitted 2 Nov 2023 48m away

    Erection of single-storey side infill extension.

    Granted Full applications Extension 19 docs
    Small domestic
  • 10 and 11 St Mary's Place, London, W8 5UE

    PP/23/07120 Submitted 30 Oct 2023 48m away

    Construction of 2.6m deep rear lower ground floor extensions at Nos 10 and 11; insertion of side-facing service access hatch and new external door in front lower ground floor of Nos 10 and 11; conversion of garages into internal living accommodation; removal of existing metal staircase (these are to be demolished); associated works to the rear garden area.

    Granted Full applications Extension Demolition 21 docs
  • 2 St Mary's Place, London, W8 5UE

    CON/20/04434 Submitted 7 Aug 2020 48m away

    Details required by condition 3 (Construction Traffic Management Plan (CTMP) of planning permission 19/06197(Construction of lower ground floor extension at rear and rooflights. Replacement of garage door to incorporate a pass door. Replacement of lower ground floor door with window. Replacement of external stair at rear and terrace and replacement of upper floor windows).

    Granted Conditions Extension Loft or dormer +1 8 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

    9 Apr 2018 Full applications
  • PP/26/03176 Granted

    12 Shawfield Street, London, SW3 4BD

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

    15 Jun 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.

    9 Jun 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.

    9 Jun 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.

    1 Jun 2026 Full applications