Planning application
18 Hartland Road, London, NW6 6BJ
Works: Extension Loft or dormer Windows or glazing 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 proposed rear dormer extension with Juliet balcony and dormer to rear outrigger, alterations to fenestration, 2x front rooflights and installation of air-conditioning system to the rear of the dwellinghouse.
As published by the council, reference 25/3511
Application record
- Reference
- 25/3511
- Type
- Certificate of Lawfulness - Proposed
- Status
- Decided
- Decision
- Refused As published: Certificate of Lawfulness - Refused
- Received
- 17 Dec 2025
- Validated
- 17 Dec 2025
- Decided
- 11 Feb 2026
- Ward
- Queens Park
- Decision by
- Delegated Team Manager
- Postcode
- NW6 6BJ
Site history
Applications at this address on the Brent register
This site has had 3 applications since 2025: 1 approved, 1 refused.
-
26/1260 Decided
18 Hartland Road, London, NW6 6BJ
Certificate of lawfulness for proposed air source heat pump to rear of dwellinghouse
-
26/0654 Granted
18 Hartland Road, London, NW6 6BJ
Certificate of lawfulness for proposed rear dormer extension with Juliet balcony and dormer extension to rear outrigger, with two front rooflights to dwellinghouse
Timeline
Dates from the published record
-
17 Dec 2025
Received by Brent
-
11 Feb 2026
Decision issued: Certificate of Lawfulness - Refused
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
ARKS DESIGN STUDIO LIMITED Agent, a design practice registered in Ilford
Active · incorporated 2013 · Ilford
88 applications on PlanIndex · across 19 councils · 82% 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 recordDocuments
Plans, drawings, consultee responses and the officer's report
16 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 documentsWhat 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
-
12 Hartland Road, London, NW6 6BJ
Certificate of lawfulness for proposed rear dormer window with Juliet balcony, rear outrigger extension and 3 front rooflights to dwellinghouse.
Refused Lawful development Extension Loft or dormer +1 4 docsDomestic -
12 Hartland Road, London, NW6 6BJ
Proposed single storey side infill extension with 4x rooflights, replacement of first floor window on side elevation, alteration to ground floor terrace doors of the dwellinghouse
Granted Householder Extension Loft or dormer +1 6 docsSmall domestic -
12 Hartland Road, London, NW6 6BJ
Certificate of lawfulness for proposed rear dormer extension with juliet balcony, rear outrigger extension and 3x front rooflights to dwellinghouse
Granted Lawful development Extension Loft or dormer 5 docsDomestic -
10B Hartland Road, London, NW6 6BJ
Enlargement of existing rear dormer to first floor flat
Granted Full applications Loft or dormer 7 docs -
18 Hartland Road, London, NW6 6BJ
Certificate of lawfulness for proposed rear dormer extension with Juliet balcony and dormer extension to rear outrigger, with two front rooflights to dwellinghouse
Granted Lawful development Extension Loft or dormer 13 docsDomestic -
8B Hartland Road, London, NW6 6BJ
Proposed loft conversion with rear dormer window and 2x front facing rooflights to first floor flat
Granted Full applications Loft or dormer Windows or glazing 8 docs
Other lawful development applications
In Brent
-
26/2285 Awaiting decision
137 Chatsworth Road, London, NW2 5QT
Certificate of lawfulness for proposed use as supported housing
-
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.
-
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.
-
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
-
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