Skip to content
PlanIndex Get alerts
Menu

Planning application

9 Mayfield Gardens London NW4 2PY

Awaiting decision Barnet 26/3754/HSE Householder

Works: Extension Loft or dormer 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

Part single, part two storey rear extension. Single side extension. New front porch. Alterations and extension to roof including side and rear dormer windows and front, side and rear rooflights

As published by the council, reference 26/3754/HSE

Application record

Reference
26/3754/HSE
Category
Householder
Status
Pending Consideration
Received
16 Oct 2026
Validated
16 Oct 2026
Postcode
NW4 2PY

Site history

Applications at this address on the Barnet register

This site has had 2 applications since 2026.

  • 26/3760/HSE Awaiting decision

    9 Mayfield Gardens London NW4 2PY

    Part single part two storey side and rear extension. New front porch, Two storey front bay extension. Alterations to roof including 2no. side dormer windows, rear dormer window and front and side facing rooflights.

    Submitted 16 Oct 2026 Householder

Timeline

Dates from the published record

  1. 16 Oct 2026

    Received by Barnet

  2. 19 Oct 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 11 December 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.

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

  • 9 Mayfield Gardens London NW4 2PY

    26/3760/HSE Submitted 16 Oct 2026 50 yards away

    77% historically approved · decision due ~11 Dec

    Part single part two storey side and rear extension. New front porch, Two storey front bay extension. Alterations to roof including 2no. side dormer windows, rear dormer window and front and side facing rooflights.

    Awaiting decision Householder Extension Loft or dormer +1
    Small domestic

  • 31 Haslemere Avenue London NW4 2PU

    26/2487/HSE Submitted 1 Jul 2026 100 yards away

    77% historically approved · decision due ~26 Aug

    Single storey front extension with new porch with canopy and front bay window. Part single, part two storey side and rear wraparound extensions with new rear raised terrace area with access steps to garden, 1no. rooflight and new roof. New hardstanding and alteration to the existing vehicular access to off-street parking. New side gate. Roof extension involving hip to gable to both sides, rear dormer windows, 3no. front and 1no. rear facing rooflights and new side gable window. Changes to fenestration.

    Decided Householder Extension Loft or dormer +2
    Small domestic

  • 15 Haslemere Avenue London NW4 2PU

    26/2534/HSE Submitted 6 Jul 2026 100 yards away

    Single storey front, side and rear extension with new patio area. Two storey side and rear extension with first floor juliette balcony with glass balustrade

    Refused Householder Extension
    Small domestic

  • 15 Haslemere Avenue London NW4 2PU

    26/1594/192 Submitted 28 Apr 2026 100 yards away

    Erection of a rear outbuilding

    Granted Lawful development 5 docs

  • 31 Haslemere Avenue London NW4 2PU

    26/0503/192 Submitted 9 Feb 2026 150 yards away

    Roof extension involving raised gables, rear dormer window, 3no. front facing rooflights and new side gable window

    Granted Lawful development Extension Loft or dormer +1 5 docs

  • 31 Haslemere Avenue London NW4 2PU

    26/1092/HSE Submitted 23 Mar 2026 150 yards away

    Single storey front and side extension and part single, part two storey rear extension

    Granted Householder Extension 11 docs
    Small domestic

In Barnet

  • 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
  • 26/3815/HSE Awaiting decision

    17 Hurstwood Road London NW11 0AS

    Single storey rear extension

    21 Oct 2026 Householder
  • 26/3800/HSE Awaiting decision

    29 Monks Avenue Barnet EN5 1BZ

    Single storey side and rear infill extension including new front porch following demolition of the side/rear storage.

    Received 20 Oct, published by the council 21 Oct 2026 Householder
  • 26/3791/HSE Awaiting decision

    149 Montrose Avenue Edgware HA8 0DZ

    New front hardstanding and vechicular access to provide off-street parking

    Received 20 Oct, published by the council 21 Oct 2026 Householder