Skip to content
PlanIndex Get alerts
Menu

Planning application

71 Colindale Avenue London NW9 5HB

Awaiting decision Barnet 26/2070/192 Proposed Lawful Development Certificate

Works: Extension Loft or dormer Windows or glazing

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

Proposal

Roof extension involving rear dormer window. Erection of a rear outbuilding with 4no. rooflights

As published by the council, reference 26/2070/192

Application record

Reference
26/2070/192
Type
Proposed Lawful Development Certificate
Status
Pending Consideration
Received
3 Jun 2026
Validated
3 Jun 2026
Ward
Colindale South
Postcode
NW9 5HB

Site history

Applications at this address on the Barnet register

This site has had 2 applications since 2026.

  • 26/2615/HSE Decided

    71 Colindale Avenue London NW9 5HB

    Part single, part two storey rear extension following demolition of the existing conservatory. Single storey side extension to outrigger with 3no. rooflights, following demolition of existing side projection (amended description)

    Submitted 13 Jul 2026 Householder

Timeline

Dates from the published record

  1. 3 Jun 2026

    Received by Barnet

  2. 25 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 29 July 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 45 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Planning Pros Agent, a planning consultancy

6 applications on PlanIndex · across 4 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

2 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 lawful development applications in a median of 28 days. More in our guide to how long planning decisions take.

About lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 5 Ajax Court Colindale Avenue London NW9 5EU

    26/1886/FUL Submitted 19 May 2026 50 yards away

    63% historically approved · decision due ~15 Jul

    New front hardstanding and vehicular access to provide off-street parking. Associated landscaping work

    Awaiting decision Full applications 7 docs

  • 71 Colindale Avenue London NW9 5HB

    26/2615/HSE Submitted 13 Jul 2026 50 yards away

    77% historically approved · decision due ~8 Sep

    Part single, part two storey rear extension following demolition of the existing conservatory. Single storey side extension to outrigger with 3no. rooflights, following demolition of existing side projection (amended description)

    Decided Householder Extension Loft or dormer +1
    Small domestic

  • 101 Colindale Avenue London NW9 5HB

    26/2726/HSE Submitted 23 Jul 2026 50 yards away

    77% historically approved · decision due ~17 Sep

    Single storey side/rear wraparound extension with 5no. rooflights. Changes to fenestration. (amended description)

    Withdrawn Householder Extension Loft or dormer +1
    Small domestic

  • 143 Colindale Avenue London NW9 5HB

    26/3647/PNH Submitted 8 Oct 2026 50 yards away

    56% historically approved · decision due ~3 Dec

    Single storey rear/side extension with a proposed depth of 6 metres, maximum height of 2.9 metres and eaves height of 2.85 metres;

    Awaiting decision Prior approval Extension
    Small domestic

  • Land To The North Of Substation Joslin Avenue London NW9 5HW

    TPP/0774/25 Submitted 18 Nov 2025 100 yards away

    1 x Lombardy Poplar (applicants ref. T38) - Monolith to height of 3m. Standing in Area A1 of Tree Preservation Order.

    Granted Trees 9 docs

  • 55A Colindale Avenue London NW9 5EP

    25/5015/FUL Submitted 15 Dec 2025 100 yards away

    63% historically approved · decision due ~13 Feb

    Single storey rear extension. Roof extension involving rear dormer window and 1no. front facing rooflight

    Awaiting decision Full applications Extension Loft or dormer +1 11 docs
    Small domestic

In Barnet

  • 26/2679/192 Granted

    21 Myddelton Park London N20 0JH

    Single storey rear extension and increase in ridge height of existing rear outrigger (Amended description).

    Received 20 Jul, published by the council 7 Aug 2026 Lawful development
  • 26/1362/191 Refused

    145 Cotswold Gardens London NW2 1PL

    Use as a House in Multiple Occupation (HMO) for 6 people

    Received 14 Apr, published by the council 25 Jul 2026 Lawful development
  • 26/1907/191 Granted

    8 Golders Manor Drive London NW11 9HT

    Use of the property as a self-contained residential unit at ground floor level and the first and second floors as a 4-bedroom, 4-person House in Multiple Occupation (Sui Generis) (AMENDED DESCRIPTION)

    Received 21 May, published by the council 16 Aug 2026 Lawful development
  • 26/2392/192 Refused

    6 Mostyn Road Edgware HA8 0JD

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

    Received 23 Jun, published by the council 9 Aug 2026 Lawful development
  • 26/2059/192 Refused

    Low Ridge Rowley Lane Barnet EN5 3HS

    Erection of a rear outbuilding

    Received 3 Jun, published by the council 16 Aug 2026 Lawful development