Skip to content
PlanIndex Get alerts
Menu

Planning application

5 Ashbourne Avenue London N20 0AL

Granted Barnet 26/1618/HSE Householder Application

Works: Extension Windows or glazing Small domestic

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

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

Proposal

Single storey rear extension with 1no. roof lantern, raised decking area with associated access steps and privacy screening. New front porch with pitched roof. New front hardstanding and vehicular access to provide off-street parking

As published by the council, reference 26/1618/HSE

Application record

Reference
26/1618/HSE
Type
Householder Application
Status
Approved subject to conditions
Decision
Granted As published: Approve subject to conditions
Received
29 Apr 2026
Validated
29 Apr 2026
Decided
23 Jun 2026
Ward
Brunswick Park
Decision by
Delegated Decision
Postcode
N20 0AL

Site history

Applications at this address on the Barnet register

This site has had 2 applications since 2026: 1 approved, 1 refused.

  • 26/0678/HSE Refused

    5 Ashbourne Avenue London N20 0AL

    Single storey rear extension with 1no. roof lantern, raised decking area with associated access steps and privacy screening. New front porch with pitched roof. New front hardstanding and vehicular access to provide off-street parking

    Decided 20 Apr 2026 Householder

Timeline

Dates from the published record

  1. 29 Apr 2026

    Received by Barnet

  2. 23 Jun 2026

    Decision issued: Approve subject to conditions

  3. 25 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Generative Design Partnership Ltd Agent, a design practice registered in London

Active · incorporated 2005 · London

53 applications on PlanIndex · across 13 councils · 68% 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

6 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 this grant of permission means

Barnet granted permission on 23 June 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 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

  • 5 Ashbourne Avenue London N20 0AL

    26/0678/HSE Submitted 20 Feb 2026 50 yards away

    Single storey rear extension with 1no. roof lantern, raised decking area with associated access steps and privacy screening. New front porch with pitched roof. New front hardstanding and vehicular access to provide off-street parking

    Refused Householder Extension Windows or glazing 7 docs
    Small domestic

  • 7 Ashbourne Avenue London N20 0AL

    25/3730/192 Submitted 10 Sep 2025 50 yards away

    80% historically approved · decision due ~5 Nov

    Roof extension involving hip to gable, rear dormer window with juliette balcony and 2no. front facing rooflights

    Awaiting decision Lawful development Extension Loft or dormer +1 21 docs

  • 7 Ashbourne Avenue London N20 0AL

    25/3862/192 Submitted 19 Sep 2025 50 yards away

    80% historically approved · decision due ~14 Nov

    Roof extension involving hip to gable, rear dormer window with juliette balcony and 2no. front facing rooflights

    Awaiting decision Lawful development Extension Loft or dormer +1 21 docs

  • 78 Russell Lane London N20 0AP

    26/3819/PNH Submitted 20 Oct 2026 50 yards away

    56% historically approved · decision due ~17 Dec

    2no. Single storey rear extensions with a proposed depth of 7.00 metres, maximum height of 3.60 metres and eaves height of 3.00 metres. Following demolition of the existing side/rear outrigger.

    Awaiting decision Prior approval Extension Demolition
    Small domestic

  • 78 Russell Lane London N20 0AP

    26/3133/PNH Submitted 25 Aug 2026 50 yards away

    56% historically approved · decision due ~20 Oct

    2no. Single storey rear extension with a proposed depth of 7.00 metres, maximum height of 3.60 metres and eaves height of 3.00 metres. Following demolition of the existing side/rear outrigger. (Amended Description)

    Decided Prior approval Extension Demolition
    Small domestic

  • 80 Russell Lane London N20 0AP

    25/4596/HSE Submitted 18 Nov 2025 50 yards away

    77% historically approved · decision due ~22 Jan

    Single storey side/rear extension with 1no. roof lantern following the partial demolition of existing garage. Roof extension involving a side dormer window. Erection of rear outbuilding following the demolition of existing (Amended Description)

    Awaiting decision Householder Extension Loft or dormer +2 7 docs
    Small domestic

In Barnet

  • 26/3947/HSE Awaiting decision

    20 Fallow Court Avenue London N12 0EB

    Single storey side and rear extension

    30 Oct 2026 Householder
  • 26/3933/HSE Awaiting decision

    11 Talbot Avenue London N2 0LS

    Single storey rear infill extension

    29 Oct 2026 Householder
  • 26/3932/HSE Awaiting decision

    45 Summerlee Avenue London N2 9QP

    Erection of a rear outbuilding with 4no. rooflights following demolition of the existing garage

    29 Oct 2026 Householder
  • 26/3913/HSE Awaiting decision

    167 Chase Side Southgate N14 5HE

    Single storey rear extension following demolition of the existing extension and conservatory

    28 Oct 2026 Householder
  • 26/3897/HSE Awaiting decision

    75 Exeter Road London N14 5JU

    Roof extension involving hip to gable, rear dormer window with juliette balcony and 2no. front facing rooflights

    Received 27 Oct, published by the council 28 Oct 2026 Householder