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Planning application

110 Colin Crescent London NW9 6EX

Refused Barnet 26/0581/192 Proposed Lawful Development Certificate

Works: Extension Loft or dormer Small domestic

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

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Single storey side/rear extension with 2no. rooflights

As published by the council, reference 26/0581/192

Application record

Reference
26/0581/192
Type
Proposed Lawful Development Certificate
Status
Unlawful
Decision
Refused As published: Unlawful
Received
16 Feb 2026
Validated
16 Feb 2026
Decided
16 Mar 2026
Ward
Colindale South
Decision by
Delegated Decision
Postcode
NW9 6EX

Site history

Applications at this address on the Barnet register

This site has had 3 applications since 2025: 1 approved, 1 refused.

  • 26/1490/HSE Granted

    110 Colin Crescent London NW9 6EX

    Single storey side/rear extension with 2no. rooflights following demolition of existing kitchen.

    Decided 17 Jun 2026 Householder
  • 25/4147/192 Awaiting decision

    110 Colin Crescent London NW9 6EX

    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

    Submitted 16 Oct 2025 Lawful development

Timeline

Dates from the published record

  1. 16 Feb 2026

    Received by Barnet

  2. 16 Mar 2026

    Decision issued: Unlawful

  3. 10 Aug 2026

    Added to PlanIndex

Documents

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

12 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.

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Open the documents

What this refusal means

Barnet refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

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

  • 110 Colin Crescent London NW9 6EX

    25/4147/192 Submitted 16 Oct 2025 50 yards away

    80% historically approved · decision due ~11 Dec

    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

    Awaiting decision Lawful development Extension Loft or dormer +2 9 docs

  • 110 Colin Crescent London NW9 6EX

    26/1490/HSE Submitted 22 Apr 2026 50 yards away

    Single storey side/rear extension with 2no. rooflights following demolition of existing kitchen.

    Granted Householder Extension Loft or dormer +1 12 docs
    Small domestic

  • 147 Colin Crescent London NW9 6ET

    26/0158/HSE Submitted 15 Jan 2026 100 yards 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 100 yards 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 100 yards away

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

    Granted Householder Extension 8 docs
    Small domestic

  • 7 Crossway London NW9 6EN

    26/1172/192 Submitted 26 Mar 2026 150 yards away

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

    Granted Lawful development Extension Loft or dormer +1 4 docs

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