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Planning application

57 Addison Avenue, London, W11 4QU

Split decision Kensington and Chelsea CON/21/03480 Discharge of Conditions

Works: Extension Loft or dormer Roofing Windows or glazing

Part of this application was approved and part refused. The decision notice on the council portal sets out which is which.

Proposal

Details required by condition 3a (Submission of details-new windows and the new roof light) and 3d (Submission of details-service runs and vents / flues / grilles and any associated alterations to the existing fabric) attached to listed building consent ref. LB/20/05218 (Extension to lower ground floor under hard standing (as permitted PP/18/00390 & LB/18/00391); reinstatement of internal staircase, reinstatement of original windows).

As published by the council, reference CON/21/03480

Application record

Reference
CON/21/03480
Type
Discharge of Conditions
Status
Decided
Decision
Part approved, part refused As published: Discharge of Conditions - Split Decision
Received
25 May 2021
Validated
8 Jun 2021
Decided
26 Jul 2021
Ward
Norland
Parish
11
Postcode
W11 4QU

Site history

Applications at this address on the Kensington and Chelsea register

This site has had 4 applications since 2021: 2 approved, 0 refused.

  • CA/21/03452 Granted

    57 Addison Avenue, London, W11 4QU

    Flanking windows to rear elevation lower ground floor doors.

    Decided 20 Jul 2021 Heritage and listed buildings
  • PP/21/03451 Granted

    57 Addison Avenue, London, W11 4QU

    Flanking windows to rear elevation at lower ground floor doors

    Decided 20 Jul 2021 Full applications
  • CON/21/03450 Split decision

    57 Addison Avenue, London, W11 4QU

    Details required by condition 5a (Submission of details-new windows and/or external doors and the new roof light) and 5c (Submission of details-External service runs and/or External vents / flues / grilles and any associated alterations to the existing fabric) of planning permission ref. PP/20/05217(Extension to lower ground floor under hard standing (as permitted PP/18/00390 & LB/18/00391), reinstatement of internal staircase; reinstatement of original windows).

    Decided 26 Jul 2021 Conditions

Timeline

Dates from the published record

  1. 25 May 2021

    Received by Kensington and Chelsea

  2. 8 Jun 2021

    Validated

    Checked as complete and ready for consideration.

  3. 26 Jul 2021

    Decision issued: Discharge of Conditions - Split Decision

  4. 3 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

MMKM Architecture and Interiors Ltd Applicant, an architecture practice registered in Chislehurst

Active · incorporated 2017 · Chislehurst

16 applications on PlanIndex · across 6 councils · 83% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

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

4 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

After the decision

Kensington and Chelsea has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

About condition discharge and variation applications

This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 51 Addison Avenue, London, W11 4QU

    LB/26/00552 Submitted 17 Dec 2025 0.1 miles away

    Removal of existing bin store and creation of concealed bike and bin storage, landscaping of front garden, replacement of stone copings to front boundary and associated works

    Granted Heritage and listed buildings 24 docs
  • 51 Addison Avenue, London, W11 4QU

    PP/26/00551 Submitted 17 Dec 2025 0.1 miles away

    Removal of existing bin store and creation of concealed bike and bin storage, landscaping of front garden, replacement of stone copings to front boundary and associated works?

    Granted Full applications 24 docs
  • 51 Addison Avenue, London, W11 4QU

    CON/24/06383 Submitted 24 Sep 2024 0.1 miles away

    Details required by condition 3a and b (submission of details) of listed building consent 24/03909(Variation of condition 2 (compliance with drawings) for inclusion of an ensuite to bedroom 4 on second floor level and an extract vent at roof level)

    Granted Conditions 9 docs
  • 47 Addison Avenue, London, W11 4QU

    ARB/20/04342 Submitted 3 Aug 2020 0.1 miles away

    Prune 1 x Magnolia, 1 x Purple leaf Plum and 1 x Japanese Maple all in rear garden.

    Granted Trees 8 docs
  • 57 Addison Avenue, London, W11 4QU

    CA/21/03452 Submitted 25 May 2021 0.1 miles away

    Flanking windows to rear elevation lower ground floor doors.

    Granted Heritage and listed buildings Windows or glazing 2 docs
  • 57 Addison Avenue, London, W11 4QU

    PP/21/03451 Submitted 25 May 2021 0.1 miles away

    Flanking windows to rear elevation at lower ground floor doors

    Granted Full applications Windows or glazing 11 docs

In Kensington and Chelsea

  • CON/26/03046 Granted

    15 Launceston Place, London, W8 5RL

    Details required by condition 3 (Submission of details - (a) Elevations and sections depicting form of awning and enclosure, inclusive of means of fixing, and colour and pattern of awning fabric. b) 1:10 elevations and sections of windows demonstrating arrangement, glazing thickness, material, glazing bars, with glazing bars to be integral and true.) of listed building consent 26/01556 (eplacement and enlargement of rear roof dormer and replacement of windows. Removal of front facade drainage downpipe. Installation of surface mounted traditional awnings over rear offshoot 1st floor windows.)

    Received 9 Jun, published by the council 20 Jul 2026 Conditions
  • CON/26/03047 Withdrawn

    2 Sloane Gardens, London, SW1W 8DL

    Details required by condition 3 (Submission of details - (a) details of the waterproofing to the vaults) of listed building consent 25/05745 (Alterations to shopfront including lowering of windows, reinstatement of original entrance doors and fanlight and associated works; internal alterations, including restoration of historic features, removal of non-original partitions, revised ceiling arrangement; and reconfiguration of basement for back-of-house use with retention of historic masonry wall.).

    Received 9 Jun, published by the council 20 Jul 2026 Conditions
  • CON/26/02710 Granted

    21 Holland Villas Road, London, W14 8DH

    DOCUMENTS AND DRAWINGS ARE NOT AVAILABLE ELECTRONICALLY FOR THIS APPLICATION. PLEASE CALL THE CASE OFFICER. Details required by Condition 3b (submission of details) Details of the framing and glazing of the conservatory rooflight at upper ground floor level and the windows and doors to rear lower ground floor level) of planning permission PP/16/01994 (Creation of basement below lower ground floor level; construction of three storey rear extension, single storey side extensions, dormers to top floor and internal alterations)

    Received 19 May, published by the council 20 Jul 2026 Conditions
  • CON/26/03104 Granted

    3 Earls Terrace, London, W8 6LP

    Details required by Condition 3d (York Stone Sample) of listed building consent 24/08271 (Reinstatement of missing fireplaces and original room proportions. Installation of double glazed timber frame windows and doors on front and rear facades. Removal of lightings systems and recessed speakers.)

    Received 10 Jun, published by the council 20 Jul 2026 Conditions
  • CON/26/03015 Granted

    30-33 Sloane Street, 49 Pavilion Road, 2-4 Hans Crescent and Garages to rear of Marland House, London, SW1X 9NE

    Details required by Condition 16 (Thames Water - works) of planning permission 22/06706 (Partial demolition of 30-33 Sloane Street, retention of fa?ade and erection of a 5-storey building of Class E (commercial, business and service) including installation of shopfronts. Total demolition of no.2 Hans Crescent and erection of replacement building to provide Class E floorspace including a rooftop terrace. Reconfiguration and extension of ground floor of no. 49 Pavillion Road to re-provide Class E floorspace, including service corridor. Provision of substation in basement of no. 4 Hans Crescent. Provision of cycle storage and facilities, waste storage, plant, landscaping, photovoltaic panels, and other ancillary works (Major Application).

    Received 5 Jun, published by the council 20 Jul 2026 Conditions