Planning application
16 Park Avenue London NW11 7SJ
Works: Extension Loft or dormer Windows or glazing
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Alterations to existing roof extension involving hip to gable extension, enlargement of existing rear dormer window, 2no. rooflights on dormer roof, 1no. front, 1no. rear facing rooflights and 1no. circular window to gable end
As published by the council, reference 26/3447/192
Application record
- Reference
- 26/3447/192
- Status
- Lawful
- Received
- 22 Sep 2026
- Validated
- 29 Sep 2026
- Postcode
- NW11 7SJ
Site history
Applications at this address on the Barnet register
This site has had 2 applications since 2025.
-
25/4487/192 Withdrawn
16 Park Avenue London NW11 7SJ
Roof extension involving hip to gable with rear dormer window. Single storey side and rear extension insertion of 1no. rooflight, new front hardstanding to driveway and walkway with new pedestrian gate, new bin store to front (Approved under 24/3493/HSE)
Timeline
Dates from the published record
-
22 Sep 2026
Received by Barnet
-
29 Sep 2026
Validated
Checked as complete and ready for consideration.
-
29 Sep 2026
Added to PlanIndex
-
12 Oct 2026
Status changed to Pending Decision
Previously Pending Consideration.
-
12 Oct 2026
Status changed to Lawful
Previously Pending Decision.
-
Decision
Awaiting decision
Decision expected by 24 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 46 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's median decision took 46 days. More in our guide to how long planning decisions take.
About this record
The published feed does not state which type of application this is; the register entry on Barnet's portal will say. Our guide explains the common types.
Nearby applications
Within 0.3 miles
-
9 Park Avenue London NW11 7SL
Single storey rear extension with 1no. rooflight. Alterations to roof above kitchen. External level drop down with new steps. New terrace area with new garden retaining wall
Granted Householder Extension Loft or dormer 24 docsSmall domestic -
16 Park Avenue London NW11 7SJ
Roof extension involving hip to gable with rear dormer window. Single storey side and rear extension insertion of 1no. rooflight, new front hardstanding to driveway and walkway with new pedestrian gate, new bin store to front (Approved under 24/3493/HSE)
Withdrawn Lawful development Extension Loft or dormer +1 12 docsSmall domestic -
3 Park Avenue London NW11 7SL
63% historically approved · decision due ~8 Sep
Demolition of existing dwellinghouse and construction of new two storey detached dwellinghouse with room in the roof, associated amenity space, off-street parking, refuse and cycle parking and installation of air source heat pump within a timber enclosure
Decided Full applications Demolition 16 docsDomestic -
25 Park Avenue London NW11 7SL
77% historically approved · decision due ~11 Sep
Roof extension including hip to gable to both sides with gable windows, 3no. dormer windows to front elevation, 2no. dormer windows and 2no. rooflights to rear elevation. Alterations to existing chimneys. Replacement of existing ground and first floor windows
Decided Householder Extension Loft or dormer +1 20 docsDomestic -
Gatepost Lodge 1 Wellgarth Road London NW11 7HP
1 x Dead Cotinus (applicants ref, T2) - Remove. (amended description) Exempt works
Decided Trees 3 docs -
Gatepost Lodge 1 Wellgarth Road London NW11 7HP
88% historically approved · decision due ~1 Dec
7 x Cypress (applicants ref. G1) - Cut back by 20%, lifting and reducing, cutting into green wood only. 1 x Small Apple Tree (applicants ref. T1) - Remove dead wood and prune to healthy wood.
Awaiting decision Trees 4 docs