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Planning application

37 Mortimer Road, London, NW10 5QR

Granted Brent 26/1171 Certificate of Lawfulness - Proposed

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

Proposal

Certificate of lawfulness for proposed single storey outbuilding in rear garden of dwellinghouse.

As published by the council, reference 26/1171

Application record

Reference
26/1171
Type
Certificate of Lawfulness - Proposed
Status
Decided
Decision
Certificate of Lawfulness - Granted
Received
8 May 2026
Validated
8 May 2026
Decided
29 Jun 2026
Ward
Queens Park
Decision by
Delegated Team Manager
Postcode
NW10 5QR

Site history

Applications at this address on the Brent register

This site has had 2 applications since 2026: 2 approved, 0 refused.

  • 26/1170 Granted

    37 Mortimer Road, London, NW10 5QR

    Proposed demolition of existing rear dormer, erection of single storey side to rear wraparound extension, rear dormer extension to main roof and rear outrigger and replacement of 1x first floor rear window to the dwellinghouse.

    Decided 8 Jul 2026 Householder

Timeline

Dates from the published record

  1. 8 May 2026

    Received by Brent

  2. 29 Jun 2026

    Decision issued: Certificate of Lawfulness - Granted

  3. 25 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Design Extension Agent, a design practice registered in Purley

Active · incorporated 2025 · Purley

121 applications on PlanIndex · across 23 councils · 75% 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

5 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.

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What this grant of permission means

Brent granted permission on 29 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 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

  • Unit 2, 27 Mortimer Road, London, NW10 5QR

    26/0851 Submitted 1 Apr 2026 0m away

    Prior approval for change of use of existing artists' studio (Class E) to class C3 on existing first floor with retention of storage unit to ground floor.

    Granted Prior approval 11 docs
  • 41 Mortimer Road, London, NW10 5QR

    26/0935 Submitted 14 Apr 2026 0m away

    Proposed rear dormer extension with juliet balcony, dormer extension to rear outrigger, raised parapet party walls, with 1x side rooflight and installation of 3x front rooflights to dwellinghouse (revised description)

    Granted Householder Extension Loft or dormer 7 docs
    Domestic
  • 61 Mortimer Road, London, NW10 5QR

    21/0601 Submitted 22 Feb 2021 0m away

    Certificate of lawfulness for proposed single storey outhouse in rear garden of dwellinghouse.

    Granted Lawful development 5 docs
    Small domestic
  • 29 Mortimer Road, London, NW10 5QR

    21/0388 Submitted 4 Feb 2021 0m away

    Certificate of lawfulness for proposed installation of sliding folding doors to ground floor rear of dwellinghouse.

    Granted Lawful development 4 docs
    Domestic
  • Flat 1, 11 Mortimer Road, London, NW10 5QR

    21/2282 Submitted 18 Jun 2021 0m away

    Proposed erection of a single storey outbuilding in rear garden of ground floor flat

    Granted Full applications 8 docs
    Small domestic
  • 61 Mortimer Road, London, NW10 5QR

    21/0612 Submitted 22 Feb 2021 0m away

    Demolition of existing rear extension and rebuild of new single storey rear extension to dwellinghouse.

    Refused Householder Extension Demolition 6 docs
    Small domestic

In Brent

  • 26/1946 Awaiting decision

    120 Gladstone Park Gardens, London, NW2 6RL

    Certificate of lawfulness for proposed rear dormer extension with Juliet balcony, hip to gable roof extension, installation of 1x window to side elevation and 2x front rooflights to dwellinghouse.

    30 Jul 2026 Lawful development
  • 26/1208 Granted

    50 Ballogie Avenue, London, NW10 1TA

    Certificate of lawfulness for proposed rear dormer extension, hip to gable roof extension, alteration to fenestration and installation of rooflights to the dwellinghouse

    13 May 2026 Lawful development
  • 26/1015 Refused

    5 Midholm, Wembley, HA9 9LJ

    Certificate of lawfulness for proposed installation of solar panels to the side and rear roofslope of the dwellinghouse.

    23 Apr 2026 Lawful development
  • 26/1176 Refused

    47 Barn Rise, Wembley, HA9 9NH

    Certificate of lawfulness for proposed single storey outbuilding in rear garden of the dwellinghouse.

    11 May 2026 Lawful development
  • 26/1166 Refused

    66 Okehampton Road, London, NW10 3EP

    Certificate of lawfulness for proposed rear dormer and side dormer extension, 1x front rooflight, replacing side elevation window and door with aluminium frame windows and doors to dwellinghouse.

    8 May 2026 Lawful development