Planning application
20/3335
6 James Avenue, London, NW2 4AJ
Proposal
Certificate of lawfulness for proposed demolition of rear conservatory and erection of a single storey rear extension with associated alterations to include the replacement of existing glazing with new windows and replacement of windows to the ground and first floor side and rear elevations to dwellinghouse
As published by the council, reference 20/3335
Timeline
Dates from the published record
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15 Oct 2020
Received by Brent
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23 Oct 2020
Validated
Checked as complete and ready for consideration.
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18 Dec 2020
Decision issued: Certificate of Lawfulness - Refused
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25 Jul 2026
Added to PlanIndex
What refusal means
The process from here
The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.
Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.
About lawful development applications
How this application type works
A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.
Nearby applications
Within 500 metres
-
24/1892 Granted
74 Melrose Avenue, London, NW2 4JT
Proposed hip to gable extension with rear dormer extension, 1x front rooflight and installation of window to second floor side elevation of the dwellinghouse.
-
24/2741 Refused
6 Meredith Avenue, London, NW2 4AG
Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 3.5m Maximum height - 3.65m Eaves height - 3m
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24/2692 Refused
6 Meredith Avenue, London, NW2 4AG
Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 3.5m Maximum height - 3.65m Eaves height - 3m
-
20/3020 Granted
121 Anson Road, London, NW2 4AH
Demolition of existing detached rear study and erection of single storey rear extension, double storey side extension and loft conversion with side dormer and rear dormer window with juliet balcony to dwellinghouse.
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20/2051 Refused
121 Anson Road, London, NW2 4AH
Demolition of existing detached rear study and erection of single storey rear extension, double storey side extension and loft conversion with side dormer and rear dormer window with juliet balcony to dwellinghouse.
-
26/0927 Granted
119 Anson Road, London, NW2 4AH
Variation of condition 2, development built in accordance with approved drawings (enlargement to rear extension) of Householder reference 25/3413 dated 3 February, 2026, for Demolition of rear garage and removal of side gate; proposed single storey side to rear extension, 2x hip to gable extensions, rear dormer window with 3x front rooflights with removal of 2x chimney stacks, cycle and refuse storage spaces and installation side metal boundary fence, gate to front of the dwellinghouse.
Other lawful development applications
In Brent
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26/1465 Granted
8 Roe Green, London, NW9 0NY
Certificate of lawfulness for proposed hip to gable extension and rear dormer window with 3x front rooflights to the dwellinghouse.
-
26/1370 Granted
45 Holmstall Avenue, Edgware, HA8 5JQ
Certificate of lawfulness for proposed use of dwellinghouse as a childrens' residential home
-
26/1260 Granted
18 Hartland Road, London, NW6 6BJ
Certificate of lawfulness for proposed air source heat pump to rear of dwellinghouse
-
26/1901 Awaiting decision
176 Bridgewater Road, Wembley, HA0 1AR
Certificate of lawfulness for proposed single-storey rear extension, rear dromer extension and 2x front rooflights to dwellinghouse.
-
26/1353 Granted
4 Hardinge Road, London, NW10 3PJ
Certificate of lawfulness for proposed conversion of existing garage into a habitable room with replacement of garage door with window to side elevation and removal of ground floor side window of the dwellinghouse