Planning application
2 Elmcroft Avenue London NW11 0RR
Works: Extension Loft or dormer Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Roof extension involving hip to gable, with side dormer windows and rear dormer window with juliette balcony with 1no. front facing rooflight
As published by the council, reference 26/0738/192
Application record
- Reference
- 26/0738/192
- Type
- Proposed Lawful Development Certificate
- Status
- Lawful
- Decision
- Granted As published: Lawful
- Received
- 25 Feb 2026
- Validated
- 25 Feb 2026
- Decided
- 22 Apr 2026
- Ward
- Childs Hill
- Decision by
- Delegated Decision
- Postcode
- NW11 0RR
Site history
Applications at this address on the Barnet register
This site has had 3 applications since 2025: 2 approved, 1 refused.
-
26/1705/HSE Granted
2 Elmcroft Avenue London NW11 0RR
Part single, part two storey side and rear extension with 1no. first floor juliette balcony to rear elevation following demolition of existing ground floor extensions. Extension and raising of existing rear patio. Extension of front porch canopy. Insertion of windows to side elevation facing No. 2A. Creation of side access. Roof extension involving hip to gable, with side dormer windows and rear dormer window with juliette balcony with 1no. front facing rooflight. Hipped roof to side extension. Insertion of new side windows facing no. 2A and no. 4 Elmcroft Avenue
-
25/4282/HSE Refused
2 Elmcroft Avenue London NW11 0RR
Part single, part two storey side and rear extension with 1no. first floor juliette balcony to rear elevation following demolition of existing ground floor extensions. Extension and raising of existing rear patio. Extension of front porch canopy. Insertion of windows to side elevation facing No. 2A. Creation of side access. Change of main hipped roof to crown roof. Roof extension involving hip to gable and rear dormer window with juliette balcony, 3no. front facing rooflights. New side gable window
Timeline
Dates from the published record
-
25 Feb 2026
Received by Barnet
-
22 Apr 2026
Decision issued: Lawful
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Norton Mayfield Architects Ltd. Agent, an architecture practice registered in Sheffield
Active · incorporated 2014 · Sheffield
47 applications on PlanIndex · across 21 councils · 95% 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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Barnet granted permission on 22 April 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 0.3 miles
-
2 Elmcroft Avenue London NW11 0RR
Part single, part two storey side and rear extension with 1no. first floor juliette balcony to rear elevation following demolition of existing ground floor extensions. Extension and raising of existing rear patio. Extension of front porch canopy. Insertion of windows to side elevation facing No. 2A. Creation of side access. Change of main hipped roof to crown roof. Roof extension involving hip to gable and rear dormer window with juliette balcony, 3no. front facing rooflights. New side gable window
Refused Householder Extension Loft or dormer +2 23 docsSmall domestic -
2 Elmcroft Avenue London NW11 0RR
Part single, part two storey side and rear extension with 1no. first floor juliette balcony to rear elevation following demolition of existing ground floor extensions. Extension and raising of existing rear patio. Extension of front porch canopy. Insertion of windows to side elevation facing No. 2A. Creation of side access. Roof extension involving hip to gable, with side dormer windows and rear dormer window with juliette balcony with 1no. front facing rooflight. Hipped roof to side extension. Insertion of new side windows facing no. 2A and no. 4 Elmcroft Avenue
Granted Householder Extension Loft or dormer +2 22 docsSmall domestic -
Golders Green Unitarian Church Hoop Lane London NW11 8BS
63% historically approved · decision due ~26 Jan
Partial change of use of church to provide a Children`s Nursery mixed use and external alterations including additions to side and rear comprising two plexiglass covered pergolas and astroturf in rear garden
Awaiting decision Full applications 7 docs -
Golders Green Unitarian Church Hoop Lane London NW11 8BS
97% historically approved · decision due ~26 Jan
Partial change of use of church to provide a Children`s Nursery mixed use and external alterations including additions to side and rear comprising two plexiglass covered pergolas and astroturf in rear garden
Awaiting decision Heritage and listed buildings 6 docs -
Golders Green Unitarian Church Hoop Lane London NW11 8BS
Submission of details of conditions 3 (Levels), 4 (Landscaping), 5 (Tree Protection) and 6 (Landscape Management Plan) pursuant to planning permission 25/4764/FUL dated 26/01/26
Granted Conditions Trees 7 docs -
40 Hoop Lane London NW11 8BU
Change of use of student hostel to single family dwellinghouse
Granted Full applications 13 docsDomestic
Other lawful development applications
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).
-
26/1362/191 Refused
145 Cotswold Gardens London NW2 1PL
Use as a House in Multiple Occupation (HMO) for 6 people
-
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)
-
26/2392/192 Refused
6 Mostyn Road Edgware HA8 0JD
New front hardstanding and vehicular access to provide off-street parking
-
26/2059/192 Refused
Low Ridge Rowley Lane Barnet EN5 3HS
Erection of a rear outbuilding