Planning application
6 Mount Vernon London NW3 6QS
Works: Extension Loft or dormer Windows or glazing 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
Internal and external alterations, including erection of a single-storey rear extension at lower ground floor level; lowering of the lower ground floor level; alterations to internal walls, partitions and openings; refurbishment and alteration of the existing closet wing; reinstatement of fireplaces and chimney breasts; replacement of windows; installation of three rooflights; rebuilding of the existing flat roof and formation of a new internal staircase and roof access enclosure; removal of the existing water tank; and associated repair and restoration works to the front and rear elevations.
As published by the council, reference 2026/3690/L
Application record
- Reference
- 2026/3690/L
- Type
- Listed Building Consent
- Status
- Registered
- Received
- 27 Aug 2026
- Validated
- 27 Aug 2026
- Ward
- Frognal
- Postcode
- NW3 6QS
Site history
Applications at this address on the Camden register
This site has had 2 applications since 2026.
-
2026/3650/P Awaiting decision
6 Mount Vernon London NW3 6QS
Erection of a single-storey rear extension at lower ground floor level; lowering of the lower ground floor level; alterations to the internal layout; replacement and alteration of windows and openings; installation of three rooflights at second-floor level; rebuilding of the existing flat roof and installation of a roof access enclosure and staircase; removal of the existing water tank; and associated external alterations.
Timeline
Dates from the published record
-
27 Aug 2026
Received by Camden
-
2 Sep 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 22 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Camden took a median of 43 days over the applications it decided in the last year.
Documents
Plans, drawings, consultee responses and the officer's report
2 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 happens while it is decided
This application is with Camden for determination, against a statutory target of eight weeks. Over the last year Camden decided heritage and listed building applications in a median of 56 days. More in our guide to how long planning decisions take.
About heritage and listed building applications
Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
6 Mount Vernon London NW3 6QS
88% historically approved · decision due ~22 Oct
Erection of a single-storey rear extension at lower ground floor level; lowering of the lower ground floor level; alterations to the internal layout; replacement and alteration of windows and openings; installation of three rooflights at second-floor level; rebuilding of the existing flat roof and installation of a roof access enclosure and staircase; removal of the existing water tank; and associated external alterations.
Awaiting decision Householder Extension Loft or dormer +1 51 docsSmall domestic -
Abernethy House 7 Mount Vernon London NW3 6QS
REAR GARDEN: 1 x Cherry (T1) - Fell to ground level.
Granted Trees -
Abernethy House 7 Mount Vernon London NW3 6QS
REAR GARDEN: 1 x Cherry - Reduce crown by 1-2m, to previous reduction points.
Granted Trees -
8 Holly Place London NW3 6QU
REAR GARDEN: 1 x Holly (T1) - Fell to ground level. 1 x Apple (T2) - Reduce back to previous points, up to 1m.
Granted Trees 2 docs -
1 Mount Vernon London NW3 6QS
REAR GARDEN: 1 x Maple - Reduce crown to last reduction points (approx 2m from branch tips) and thin crown remainder by removing epicormic growth.
Granted Trees 2 docs -
1 Mount Vernon London NW3 6QS
REAR GARDEN: 1 x Maple - Reduce crown by cutting at last reduction points (approx 2m from branch tips), thin crown remainder by removing epicormic growth.
Granted Trees
Other heritage and listed building applications
In Camden
-
2026/1141/L Granted
25 John Street London WC1N 2BS
Internal and external alterations to partition layout at basement, supporting structures and external ground level, and alterations to design of conservatory, windows and doors granted under listed building consent 2024/0338/L dated 06/08/2024.
-
2025/1781/L Granted
Frognal Rise House Lower Terrace London NW3 6RE
Demolition of existing garage and interlinking gallery and replacement with new garage and garden room with link, new basement floor below garden, alterations to main house including replacement windows including reinstated oriel window and new French doors to entrance elevation, new roofing to side wing, new portico and replacement door to front elevation, enlargement of existing lightwell, replacement gates and canopy over entrance gate, restorations of boundary treatments, associated internal alterations including partial underpinning works and other minor alterations.
-
2026/4129/L Awaiting decision
6 Leverton Street London NW5 2PJ
Strip out kitchen including floor tiles and replace; replace plumbing and flooring in rear ensuite; replace plumbing in front ensuite and WC; replace internal doors; replace garden wall with metal railing; replace 3 rear windows, 3 rear elevation side windows, 1 rear door and 1 rear elevation side door with double-glazed crittal windows and doors; remove 2 rear windows; render rear elevation brickwork; and associated works.
-
2026/1686/L Granted
Flat Ground and 1st Floor and Flat 2nd and 3rd Floor 14 Downshire Hill London NW3 1NR
External and internal alterations in connection with conversion of two self-contained flats into a single-family dwellinghouse, including new doors at rear ground and second floor level, replacement windows at rear second and third floors level, removal of internal partitions, extending the stair handrail, and replacement internal doors, parquet flooring, skirting, architraves, cornicing, and fittings.
-
2026/2202/L Refused
4 Hampstead Square London NW3 1AB
Erection of conservatory to front elevation.