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Planning application

12 Harman Drive London NW2 2EB

Awaiting decision Barnet 25/4595/HSE Householder Application

Works: Extension Loft or dormer Demolition Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Single storey rear extension with 2no. rooflights following demolition of existing ground floor rear extension. First floor side extension. Associated alterations to roof including insertion of 1no. rooflight to side elevation. Conversion of garage into habitable room including new window to replace existing door. Alterations to front entrance including replacement of existing canopy. New first floor windows to rear elevation. Change of materials at ground floor level from render to brick. New clay tile finish to bay window

As published by the council, reference 25/4595/HSE

Application record

Reference
25/4595/HSE
Type
Householder Application
Status
Pending Decision
Received
18 Nov 2025
Validated
19 Nov 2025
Ward
Childs Hill
Postcode
NW2 2EB

Site history

Applications at this address on the Barnet register

This site has had 4 applications since 2025: 1 approved, 0 refused.

  • 26/3444/S73 Awaiting decision

    12 Harman Drive London NW2 2EB

    Variation of condition 1 (Approved Plans) of planning permission reference 26/0686/S73 dated 17/04/26 (variation to 25/4595/HSE) for ' Single storey rear extension with 2no. rooflights following demolition of existing ground floor rear extension. First floor side extension. Associated alterations to roof including insertion of 1no. rooflight to side elevation. Conversion of garage into habitable room including new window to replace existing door. Alterations to front entrance including replacement of existing canopy. New first floor windows to rear elevation. Change of materials at ground floor level from render to brick. New clay tile finish to bay window.' Variation to include raising the garage front and flank walls

    Submitted 22 Sep 2026
  • 26/1963/HSE Awaiting decision

    12 Harman Drive London NW2 2EB

    Alterations to the existing rear patio area including alterations to the access steps and installation of 2no. freestanding external air conditioning units located within planter

    Submitted 27 May 2026 Householder
  • 26/0686/S73 Granted

    12 Harman Drive London NW2 2EB

    Variation of condition 1 (Approved plans) of planning permission reference 25/4595/HSE dated 14/01/2026 for Single storey rear extension with 2no. rooflights following demolition of existing ground floor rear extension. First floor side extension. Associated alterations to roof including insertion of 1no. rooflight to side elevation. Conversion of garage into habitable room including new window to replace existing door. Alterations to front entrance including replacement of existing canopy. New first floor windows to rear elevation. Change of materials at ground floor level from render to brick. New clay tile finish to bay window. Variation to include removing the previously proposed main roof alterations, retain the existing roof form and dormers, and keep the first floor side extension with a matching pitched crown roof

    Decided 17 Apr 2026 Conditions

Timeline

Dates from the published record

  1. 18 Nov 2025

    Received by Barnet

  2. 19 Nov 2025

    Validated

    Checked as complete and ready for consideration.

  3. 10 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 14 January 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Barnet took a median of 46 days over the applications it decided in the last year.

Cases linked to this one on the register

2 later applications on the register refer to this one:

  • 26/3444/S73 Awaiting decision

    12 Harman Drive London NW2 2EB

    Variation of condition 1 (Approved Plans) of planning permission reference 26/0686/S73 dated 17/04/26 (variation to 25/4595/HSE) for ' Single storey rear extension with 2no. rooflights following demolition of existing ground floor rear extension. First floor side extension. Associated alterations to roof including insertion of 1no. rooflight to side elevation. Conversion of garage into habitable room including new window to replace existing door. Alterations to front entrance including replacement of existing canopy. New first floor windows to rear elevation. Change of materials at ground floor level from render to brick. New clay tile finish to bay window.' Variation to include raising the garage front and flank walls

    Submitted 22 Sep 2026
  • 26/0686/S73 Granted

    12 Harman Drive London NW2 2EB

    Variation of condition 1 (Approved plans) of planning permission reference 25/4595/HSE dated 14/01/2026 for Single storey rear extension with 2no. rooflights following demolition of existing ground floor rear extension. First floor side extension. Associated alterations to roof including insertion of 1no. rooflight to side elevation. Conversion of garage into habitable room including new window to replace existing door. Alterations to front entrance including replacement of existing canopy. New first floor windows to rear elevation. Change of materials at ground floor level from render to brick. New clay tile finish to bay window. Variation to include removing the previously proposed main roof alterations, retain the existing roof form and dormers, and keep the first floor side extension with a matching pitched crown roof

    Decided 17 Apr 2026 Conditions

Who's behind it

Company information only, from the register and Companies House

PML Architecture Agent, an architecture practice registered in London

Active · incorporated 2014 · London

14 applications on PlanIndex · across 6 councils

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

7 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 Barnet for determination, against a statutory target of eight weeks. Over the last year Barnet decided householder applications in a median of 56 days. More in our guide to how long planning decisions take.

About householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 12 Harman Drive London NW2 2EB

    26/1963/HSE Submitted 27 May 2026 50 yards away

    77% historically approved · decision due ~22 Jul

    Alterations to the existing rear patio area including alterations to the access steps and installation of 2no. freestanding external air conditioning units located within planter

    Awaiting decision Householder 6 docs
    Domestic

  • 12 Harman Drive London NW2 2EB

    26/0686/S73 Submitted 23 Feb 2026 50 yards away

    Variation of condition 1 (Approved plans) of planning permission reference 25/4595/HSE dated 14/01/2026 for Single storey rear extension with 2no. rooflights following demolition of existing ground floor rear extension. First floor side extension. Associated alterations to roof including insertion of 1no. rooflight to side elevation. Conversion of garage into habitable room including new window to replace existing door. Alterations to front entrance including replacement of existing canopy. New first floor windows to rear elevation. Change of materials at ground floor level from render to brick. New clay tile finish to bay window. Variation to include removing the previously proposed main roof alterations, retain the existing roof form and dormers, and keep the first floor side extension with a matching pitched crown roof

    Granted Conditions Extension Loft or dormer +3 4 docs
    Small domestic

  • 12 Harman Drive London NW2 2EB

    26/3444/S73 Submitted 22 Sep 2026 50 yards away

    79% historically approved · decision due ~19 Nov

    Variation of condition 1 (Approved Plans) of planning permission reference 26/0686/S73 dated 17/04/26 (variation to 25/4595/HSE) for ' Single storey rear extension with 2no. rooflights following demolition of existing ground floor rear extension. First floor side extension. Associated alterations to roof including insertion of 1no. rooflight to side elevation. Conversion of garage into habitable room including new window to replace existing door. Alterations to front entrance including replacement of existing canopy. New first floor windows to rear elevation. Change of materials at ground floor level from render to brick. New clay tile finish to bay window.' Variation to include raising the garage front and flank walls

    Awaiting decision Extension Loft or dormer +2
    Small domestic

  • 16 Harman Drive London NW2 2EB

    26/0240/PNH Submitted 22 Jan 2026 50 yards away

    56% historically approved · decision due ~19 Mar

    Single storey rear extension in similar character to the main house with a flat roof and roof lights with a proposed maximum depth of 4.00m, a maximum height of 3.10m and an eaves height of 3.00m

    Awaiting decision Prior approval Extension Loft or dormer 6 docs
    Small domestic

  • 16 Harman Drive London NW2 2EB

    26/0766/HSE Submitted 27 Feb 2026 50 yards away

    Single storey rear extension with 2no. rooflights and new raised patio area with associated access steps. Extension of existing roof canopy

    Granted Householder Extension Loft or dormer 7 docs
    Small domestic

  • 50 Galsworthy Road London NW2 2SH

    26/1630/RCU Submitted 30 Apr 2026 50 yards away

    Part single, part two storey rear extension (Retrospective application)

    Granted Amendments Extension 9 docs

In Barnet

  • 26/3853/HSE Awaiting decision

    30 Goldsmith Avenue London NW9 7HB

    Single storey rear extension following demolition of the existing extension

    23 Oct 2026 Householder
  • 26/3856/HSE Awaiting decision

    229 Hale Drive London NW7 3EH

    Single storey rear extension

    23 Oct 2026 Householder
  • 26/3827/HSE Awaiting decision

    43 Hermitage Lane London NW2 2HE

    Single storey rear extension with 3no. rooflights following demolition of the existing conservatory. Replacement front bay window and entrance porch. First floor rear juliette balcony. Changes to fenestration including new window openings and enlarged front rooflight

    22 Oct 2026 Householder
  • 26/3833/HSE Awaiting decision

    47 Holne Chase London N2 0QG

    Single storey rear extension. Replacement of single glazed windows with double glazing. Alterations to side/rear fenestration. Alterations and replacement of existing rear dormer window addition of 2no. side dormer windows and 3no. rooflights. Installation of cameras and wall lights. Replacement of the front entrance and garage doors, installation of timber side garden gates

    22 Oct 2026 Householder
  • 26/3841/HSE Awaiting decision

    Manor House West Heath Close London NW3 7NJ

    New metal framed pergola to upper ground floor rear terrace

    Received 22 Oct, published by the council 23 Oct 2026 Householder