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Planning application

110 Colin Crescent London NW9 6EX

Awaiting decision Barnet 25/4147/192 Proposed Lawful Development Certificate

Works: Extension Loft or dormer Demolition 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 hip to gable with juliette balcony, rear dormer window and 2 no. front facing rooflights following the demolition of existing chimney stacks

As published by the council, reference 25/4147/192

Application record

Reference
25/4147/192
Type
Proposed Lawful Development Certificate
Status
Pending Consideration
Received
16 Oct 2025
Validated
16 Oct 2025
Ward
Colindale South
Postcode
NW9 6EX

Site history

Applications at this address on the Barnet register

This site has had 3 applications since 2025.

  • 26/1490/HSE Awaiting decision

    110 Colin Crescent London NW9 6EX

    Single storey side/rear extension with 2no. rooflights

    Submitted 22 Apr 2026 Householder
  • 26/0581/192 Decided

    110 Colin Crescent London NW9 6EX

    Single storey side/rear extension with 2no. rooflights

    Decided 16 Mar 2026 Lawful development

Timeline

Dates from the published record

  1. 16 Oct 2025

    Received by Barnet

  2. 10 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 11 December 2025, 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 43 days over the applications it decided in the last year.

Documents

Plans, drawings, consultee responses and the officer's report

9 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.

Trade members open them 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 500 metres

  • 110 Colin Crescent London NW9 6EX

    26/0581/192 Submitted 16 Feb 2026 1m away

    Single storey side/rear extension with 2no. rooflights

    Decided Lawful development Extension Loft or dormer 12 docs
    Small domestic

  • 110 Colin Crescent London NW9 6EX

    26/1490/HSE Submitted 22 Apr 2026 2m away

    77% historically approved · decision due ~17 Jun

    Single storey side/rear extension with 2no. rooflights

    Awaiting decision Householder Extension Loft or dormer 11 docs
    Small domestic

  • 147 Colin Crescent London NW9 6ET

    26/0158/HSE Submitted 15 Jan 2026 74m away

    77% historically approved · decision due ~17 Mar

    Conversion of the existing rear outbuilding into annexe

    Awaiting decision Householder 6 docs
    Small domestic

  • 115 Colin Crescent London NW9 6ET

    25/3480/PNH Submitted 22 Aug 2025 88m away

    Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.00 metres and eaves height of 3.00 metres. Following demolition of existing extension and garage.

    Granted Prior approval Extension Demolition 3 docs
    Small domestic

  • 82 Colin Crescent London NW9 6EY

    26/1084/HSE Submitted 20 Mar 2026 114m away

    77% historically approved · decision due ~15 May

    Single storey rear infill extension with associated access steps and railing. Single storey front porch extension

    Awaiting decision Householder Extension 6 docs
    Small domestic

  • 7 Crossway London NW9 6EN

    26/1172/192 Submitted 26 Mar 2026 116m away

    Roof extension involving hip to gable, rear dormer window with juliette balcony and 3no. front facing rooflights. Erection of a rear outbuilding

    Decided Lawful development Extension Loft or dormer +1 4 docs

In Barnet

  • 26/2679/192 Decided

    21 Myddelton Park London N20 0JH

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

    20 Jul 2026 Lawful development
  • 26/1907/191 Decided

    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)

    21 May 2026 Lawful development
  • 26/2059/192 Decided

    Low Ridge Rowley Lane Barnet EN5 3HS

    Erection of a rear outbuilding

    3 Jun 2026 Lawful development
  • 26/2066/192 Decided

    355 Hendon Way London NW4 3NB

    Roof extension involving rear dormer window and 3no. front facing rooflights. Removal of chimney on rear elevation (AMENDED DESCRIPTION)

    3 Jun 2026 Lawful development
  • 26/1663/192 Decided

    152 Deans Lane Edgware HA8 9NT

    Change of use from single family dwellinghouse (Class C3a) to supported living accommodation Class C3b)

    5 May 2026 Lawful development