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Planning agent

Jo Cowen Architects

An architecture practice registered in London. 26 planning applications on PlanIndex across 3 councils . Agent on 12 and applicant on 14. On the register from 2019 to 2026.

17 granted and 4 refused of 21 decided applications in our index. A record of decisions already made, not a forecast of the next one.

Where they work

What they file

  1. Full applications58%
  2. Conditions31%
  3. Amendments4%
  4. Heritage and listed buildings4%
  5. Lawful development4%

Company record

From Companies House. Company information only; we never show personal contact details.

Registered name
JO COWEN ARCHITECTS LTD
Company number
08754147
Status
Active
Incorporated
30 October 2013
Registered in
London

Track record

The 10 most recent applications naming this firm

  • 26/00238/FUL Granted

    122 Victoria Rise London Lambeth SW4 0NW

    Installation of an enlarged roof light front/rear above the staircase; the replacement of the rear first floor windows with white painted timber french doors with black painted metal juliet balconies; the addition of a rear dormer window at second floor level.

    Decided 24 Mar 2026 Full applications
  • 25/03341/FUL Refused

    122 Victoria Rise London SW4 0NW

    Alterations to the rear elevation, including the replacement of 2x first-floor windows with French doors and the installation of Juliet balconies. Formation of a dormer window to the second-floor rear elevation; and the replacement of two existing rooflights with a single enlarged rooflight.

    Decided 24 Dec 2025 Full applications
  • CON/24/06694 Granted

    73 Abingdon Villas, London, W8 6XB

    Details required by condition 7 (Sustainable Drainage Systems Strategy) of planning permission 24/04174 (Infill extension at lower ground floor forming full-width opening in line with back wall to outrigger; installation of rooflight to footprint of infill extension; addition of glazed French doors and side-lights to rear garden in powder coated metal frames with smaller-format glazing (Crittall-style); formation of roof terrace to flat roof on top of outrigger; replacement of all sash windows with double glazed painted timber units to match existing; and internal reconfigurations throughout.)

    Decided 21 Nov 2024 Conditions
  • PP/23/07216 Refused

    14 Denbigh Road, London, W11 2SN

    Variation of condition 2 (Compliance with approved drawings) of planning permission 21/06865 to amend height of front boundary well and raised it to match height of approved bin enclosure; detailing of coping stone and black metal railings will be as previously approved

    Decided 4 Jan 2024 Full applications
  • PP/23/05252 Granted

    4 Wellington Square, London, SW3 4NJ

    Installation of air conditioning units at all levels, concealed within joinery units. Replace and relocate air condition unit from roof to rear garden, within acoustic enclosure

    Decided 3 Nov 2023 Full applications
  • LB/23/05253 Granted

    4 Wellington Square, London, SW3 4NJ

    Installation of air conditioning units at all levels, concealed within joinery units. Replace and relocate air condition unit from roof to rear garden, within acoustic enclosure

    Decided 3 Nov 2023 Heritage and listed buildings
  • CON/22/04166 Granted

    4 Halsey Street, London, SW3 2QH

    Details required by condition 3 (submission of details) of listed building consent 21/06540 (Reconstruction of lower ground floor side extension and lowering non original floor finish level by approx. 250mm. Insertion of window to rear of closet wing. Replacement glazing to rear elevation. Alterations to rear garden layout . Insertion of doors and window to front lightwell. Delta membrane system and insulation to be installed. Removal of non original panelling throughout and plain plaster walls to be restored at ground floor. Erection of light-weight side-infill rear extension, accessed from landing. Replacement external stairs to rear garden. Reinstatement of fireplace. Refurbishment of front steps at 1st floor. Original door reinstated. Reinstatement of 2nd and 3rd floor fireplaces. Raise stepped-back parapet creating room with sash window above closet wing. Extension set back behind flat green roof, reducing visual impact. Insertion of openable roof light over stairs. Refurbish staircase throughout and replace non-original spiralled spindles and balustrade with square section spindles and new balustrade. New green roof to closet wing. Internal refurbishment)

    Decided 20 Mar 2023 Conditions
  • CL/22/02585 Withdrawn

    24 Pembroke Gardens, London, W8 6HU

    Erection of single storey rear extension to closet wing at lower ground floor; raising of rear wall in rendered concrete blockwork to match adjacent existing fabric (Certificate of Lawful Proposed Development/Use) ***WITHDRAWN***

    Decided 31 May 2022 Lawful development
  • PP/22/02216 Granted

    24 Pembroke Gardens, London, W8 6HU

    Erection of balustrade and guarding to form first floor level roof terrace above rear raised ground floor level infill extension (amended description).

    Decided 26 May 2022 Full applications
  • PP/22/02217 Granted

    24 Pembroke Gardens, London, W8 6HU

    Creation of additional extension by 1.0m at lower ground floor to rear of outrigger with a non-trafficable flat roof at ground floor.

    Decided 31 May 2022 Full applications

16 more applications on record

Trade members see everything this firm has filed, filter it by council and outcome, and get an email the day it files again.

See the full track record

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