3 Holly Mount London Camden NW3 6SG Data via plota.co.uk
REGISTERED
2026/2623/P
Description
Erection of mansard roof extension, raising of chimneys, opening of second-floor rear window, as well as various internal works Data via plota.co.uk
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Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Within ~100m
Nearby activity
2024
Withdrawn
Clock Tower Flat 4 49 Heath Street London NW3 6UD
Reinstatement of cupola to existing clocktower and associated works.
2024
Withdrawn
Clock Tower Flat 4 49 Heath Street London NW3 6UD
Reinstatement of cupola to existing clock tower and associated works.
2024
Approved
5 Holly Mount London Camden NW3 6SG
Modifications to sewerage plumbing and installation of new manhole.
2024
Approved
66 HEATH STREET NW3 1DN
Installation of a new gas meter, gas meter box and riser pipe on side elevation
2024
Approved
12 Holly Mount London NW3 6SG
(TPO REF: 9H-T4) REAR GARDEN: 1 x Sycamore (T1) - Reduce overall canopy by 1.5m back to p…
2024
Approved
Goulding House 85 Heath Street London NW3 6UG
Internal and external alterations including the demolition of the existing glazed extensi…
2024
Approved
Goulding House 85 Heath Street London NW3 6UG
Change of use of the part ground floor and first floor from commercial unit (Class E) to…
2024
Approved
73 A Heath Street London Camden NW3 6UG
Installation of replacement rooflight and creation of a roof terrace with associated glaz…
2024
Approved
72 Heath Street London NW3 1DN
Demolition of existing conservatory and erection of a replacement single-storey rear exte…
2024
Approved
72 Heath Street London NW3 1DN
Demolition of existing conservatory and erection of a replacement single-storey rear exte…
2024
Approved
6 The Mount London NW3 6SZ
FRONT GARDEN: 1 x Lime (T1) - Reduce crown to clear roof of 4 The Mount by up to 3m and r…
2024
Approved
11 Mansfield Place London NW3 1HS
FRONT GARDEN: 1 x Purple Leaf Plum (T1) - Fell to ground level.
2024
Approved
11 Holly Mount London NW3 6SG
Replacement of existing first-floor south-west timber sash window with matching unit.
2024
Approved
11 Holly Mount London NW3 6SG
Replacement of existing first-floor south-west timber sash window with matching unit.
2024
Approved
57-61 Heath Street London NW3 6UG
Display of 3no externally illuminated fascia signs and 1no internally illuminated project…
2023
Approved
11 Mansfield Place London NW3 1HS
Replacement of single-glazed, timber frame sash windows on front elevation with double-gl…
2023
Refused
57-61 Heath Street Camden NW3 6UG
Display of 3x fascia halo illuminated signs and 1x medical symbol projection sign (retros…
2024
Approved
Flat 1 72 Heath Street London NW3 1DN
REAR GARDEN: 1 x Beech (T1) - Fell to ground level.
2023
Approved
Mount Vernon House Mount Vernon London NW3 6QR
FRONT GARDEN: 5 x Limes (T1) - Reduce crowns by 30%, 3m of height and 1m of width or back…
2023
Approved
Mount Vernon House Mount Vernon London NW3 6QR
FRONT GARDEN: 1 x Holm Oak (T2) - Reduce crowns by 20%, 1m of height and 1m of width. 1 x…
2016
Approved
11 Holly Mount London NW3 6SG
Replacement of existing rooflight to rear roof slope with new conservation type rooflight.
2016
Approved
Windmill Hill House Windmill Hill London NW3 6SJ
FRONT GARDEN: 1 x Norway Maple - fell to ground level.
2016
Chatham House 90 Heath Street London NW3 1DP
Replacement rear conservatory, insertion of first floor rear sash window, insertion x2 re…
2016
Approved
Windmill Hill House Windmill Hill London NW3 6SJ
FRONT GARDEN: 1 x Robinia - Reduce crown by 20-25% (2-2.5m from height, minimal from side…
2016
Withdrawn
82 Heath Street London NW3 1DN
External facade of building is in poor condition, proposed works include to erect front s…
Camden
Planning Authority Score
3.1/10
Poor
#231 of 296 councils
Relevant to this application:
Householder decisions
Camden is slower than most councils at deciding householder applications, ranking #242 out of 296. Householder applications are slightly less likely to be approved here (88%) than the national average (90%).
Slower than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application.
View full council performance
Camden decision performance
Based on MHCLG data, the year to March 2026
88%
Overall approval rate
Above avg (87%) #149 of 296
88%
Householder approved
Below avg (90%) #215 of 296
49%
Decided in 8 weeks
Below avg (63%) #242 of 296
41%
Extended time limit
Below avg (41%) #158 of 296
90%
Minor dwellings approved
467 decided (1-9 homes)
80%
Major dwellings approved
10 decided (10+ homes)
93%
Change of use approved
46 decided
1,973
Total decisions
234 refused in the year to March 2026