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Planning application

45 Palermo Road, London, NW10 5YS

Refused Brent 26/0399 Certificate of Lawfulness - Existing

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

Certificate of lawfulness for existing single storey rear extension, hip to gable roof extension with 3x front rooflights and rear dormer to the dwellinghouse.

As published by the council, reference 26/0399

Application record

Reference
26/0399
Type
Certificate of Lawfulness - Existing
Status
Decided
Decision
Refused As published: Certificate of Lawfulness - Refused
Received
17 Feb 2026
Validated
17 Feb 2026
Decided
13 Apr 2026
Ward
Harlesden & Kensal Green
Decision by
Delegated Team Manager
Postcode
NW10 5YS

Site history

Applications at this address on the Brent register

This site has had 3 applications since 2025: 0 approved, 3 refused.

  • 25/3083 Refused

    45 Palermo Road, London, NW10 5YS

    Certificate of lawfulness for existing single storey rear extension, hip to gable roof extension with 3x front rooflights and rear dormer to the dwellinghouse.

    Decided 30 Jan 2026 Lawful development
  • 25/2430 Refused

    45 Palermo Road, London, NW10 5YS

    Certificate of lawfulness for proposed erection of ground floor rear extension, hip to gable roof extension, rear dormer and x3 front rooflights to dwellinghouse.

    Decided 16 Oct 2025 Lawful development

Timeline

Dates from the published record

  1. 17 Feb 2026

    Received by Brent

  2. 13 Apr 2026

    Decision issued: Certificate of Lawfulness - Refused

  3. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Studio 136 Architects Ltd Agent, an architecture practice registered in Berkhamsted

Active · incorporated 2000 · Berkhamsted

406 applications on PlanIndex · across 32 councils · 79% 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

7 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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What this refusal means

Brent 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

  • 45 Palermo Road, London, NW10 5YS

    25/2430 Submitted 21 Aug 2025 50 yards away

    Certificate of lawfulness for proposed erection of ground floor rear extension, hip to gable roof extension, rear dormer and x3 front rooflights to dwellinghouse.

    Refused Lawful development Extension Loft or dormer 7 docs
    Domestic

  • 45 Palermo Road, London, NW10 5YS

    25/3083 Submitted 3 Nov 2025 50 yards away

    Certificate of lawfulness for existing single storey rear extension, hip to gable roof extension with 3x front rooflights and rear dormer to the dwellinghouse.

    Refused Lawful development Extension Loft or dormer 5 docs
    Small domestic

  • 23 Palermo Road, London, NW10 5YS

    21/3638 Submitted 27 Sep 2021 50 yards away

    Single storey rear extension and formation of rear patio to the dwellinghouse.

    Granted Householder Extension 8 docs
    Small domestic

  • 122 Palermo Road, London, NW10 5YN

    26/1041 Submitted 20 Apr 2026 100 yards away

    Certificate of lawfulness for proposed rear dormer window with 3x front rooflights to the dwellinghouse.

    Granted Lawful development Loft or dormer Windows or glazing 5 docs
    Domestic

  • 122 Palermo Road, London, NW10 5YN

    26/0971 Submitted 20 Apr 2026 100 yards away

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 4.5m Maximum height - 3.4m Eaves height - 2.72m

    Refused Prior approval Extension 4 docs
    Small domestic

  • 100 Palermo Road, London, NW10 5YN

    26/0486 Submitted 25 Feb 2026 100 yards away

    Proposed demolition of existing rear extension and erection of single storey rear extension to the dwellinghouse (amended)

    Granted Householder Extension Demolition 6 docs
    Small domestic

In Brent

  • 26/2285 Awaiting decision

    137 Chatsworth Road, London, NW2 5QT

    Certificate of lawfulness for proposed use as supported housing

    Received 8 Sep, published by the council 21 Sep 2026 Lawful development
  • 26/2277 Awaiting decision

    65 The Avenue, Wembley, HA9 9PH

    Certificate of lawfulness for proposed conversion of outbuilding into a gym and sauna and extension to the outbuilding in rear garden of the dwellinghouse.

    Received 8 Sep, published by the council 21 Sep 2026 Lawful development
  • 26/2199 Awaiting decision

    Flat 8, 399 Neasden Lane North, London, NW10 0BD

    Certificate of lawfulness for existing use of rear unit 8 as a self-contained flat.

    Received 2 Sep, published by the council 21 Sep 2026 Lawful development
  • 26/2093 Awaiting decision

    17 Buller Road, London, NW10 5BS

    Certificate of lawfulness for proposed alterations to front, side and rear fenestrations including installation of ground floor side oriel window and rear timber door to dwellinghouse

    Received 18 Aug, published by the council 21 Sep 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

    Received 13 May, published by the council 25 Jul 2026 Lawful development