Planning application
16 Portman Gardens London NW9 5AS
Works: Extension Loft or dormer Small domestic
Read from the description, not a valuation. How we read the register
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Single storey side and rear extension with 3no. rooflights
As published by the council, reference 26/3342/HSE
Application record
- Reference
- 26/3342/HSE
- Category
- Householder
- Status
- Pending Consideration
- Received
- 11 Sep 2026
- Validated
- 14 Sep 2026
- Postcode
- NW9 5AS
Timeline
Dates from the published record
-
11 Sep 2026
Received by Barnet
-
14 Sep 2026
Validated
Checked as complete and ready for consideration.
-
14 Sep 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 9 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Barnet took a median of 43 days over the applications it decided in the last year.
What happens while it is decided
This application is with Barnet for determination, against a statutory target of eight weeks. Over the last year Barnet decided householder applications in a median of 56 days. More in our guide to how long planning decisions take.
About householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
15 Portman Gardens London NW9 5AS
79% historically approved · decision due ~20 Aug
Roof extension involving hip to gable, rear dormer window and 3no. front facing rooflights
Awaiting decision Extension Loft or dormer +1 -
1 Greenway Close London NW9 5AZ
Two storey side extension following the demolition of existing garage. Roof extension involving hip to gable to main roof. Single storey rear extension with 1no. rooflight, new decking and patio area. New front porch
Refused Householder Extension Loft or dormer +1 10 docsSmall domestic -
1 Greenway Close London NW9 5AZ
Roof extension involving hip to gable, rear dormer window with juliette balcony and 2no. front facing rooflights
Granted Lawful development Extension Loft or dormer +1 9 docs -
49 The Greenway London NW9 5AU
61% historically approved · decision due ~14 Jan
Change of use from a single dwellinghouse (Use Class C3) to a 5 bed HMO (House in Multiple Occupation (Use Class C4) for 5 people including single storey rear extension
Awaiting decision Full applications Extension 8 docsSmall domestic -
Pavement On A5 Edgware Road Rear Of 20 - 21 Greenway Close London NW9 5AZ
Installation of 1no. electrical vehicle charging point unit with double-sided LCD screen, feeder pillar and associated electrical connection works
Withdrawn Full applications 9 docs -
Pavement On A5 Edgware Road Rear Of 20 - 21 Greenway Close London NW9 5AZ
Installation of 1no. double-sided internally illuminated LCD screen with integral electrical vehicle charging point
Withdrawn Advertising 8 docs
Other householder applications
In Barnet
-
26/3396/HSE Awaiting decision
43 Dukes Avenue London N3 2DE
Single storey rear, part two storey side extension with 1no. rooflight following the demolition of existing shed. Roof extension with rear dormer window, 1no. front, 3no. side facing rooflights and roof windows to the front and side roof slopes. Installation of solar panels to side elevation of roof
-
26/3410/HSE Awaiting decision
54 Ferney Road Barnet EN4 8LE
Single storey rear extension with alteration to the raised terrace area including new access steps to garden
-
26/3385/HSE Awaiting decision
Three Gables Bungalow Boyne Avenue London NW4 2JL
Excavation of basement level with associated front and western lightwells. Single storey rear extensions with new patio area. Alterations to ground levels. Formation of first floor with new pitched gable roof with 2no. front and 2no. rear dormers and 2no. front facing, 2no side rooflights with associated hard and soft landscaping
-
26/3386/HSE Awaiting decision
9 Colin Gardens London NW9 6EL
Single storey rear extension with 1no. rooflight following demolition of the existing garage
-
26/3363/HSE Awaiting decision
125 Park Road Barnet EN4 9QN
Single storey side / rear extension including garage with 1no. roof lantern following the demolition of existing garage and front porch. Roof extension involving hip to gable on both sides with rear dormer window and 3no. front facing rooflights