Palm House The Grove, HA7 4LD
Pending
PL/1146/26 - Full Planning Application
Description
Second floor front portico with window and pillars; Installation of Juliette balcony to first floor front elevation (Demolition of pillars and balcony to front)
Nearby new applications
Historical activity at this location
17 nearby applications on record - archival context, not part of the live application.
Within ~100m
Nearby activity
2023
Approved
Knoll House The Grove, Stanmore, Harrow, HA7 4LD
Installation of two 1.2m to 1.5m high vehicle entrance gates and 1.325m high brick piers…
2022
Approved
Wildwoods The Grove, Stanmore, Harrow, HA7 4LD
G1. Dead trees x4 Main lawn Fell to ground level G2. Dead trees x4 Adjacent to lake Fell…
2022
Withdrawn
Knoll House The Grove, Stanmore, Harrow, HA7 4LD
Installation of two 1.8m high vehicle entrance gates and 1.88m high brick piers to replac…
2022
Approved
Knoll House, The Grove, Stanmore, HA7 4LD
Replacement of two brick piers and gates to front elevation
2021
Refused
Knoll House The Grove, Stanmore, Harrow, HA7 4LD
Replacement of two brick piers and gates to front elevation
2019
Approved
Knoll House, The Grove, Stanmore, HA7 4LD
Hardsurfacing to front garden; installation of 2.4M high entrance gates and wall with pie…
2018
Refused
Knoll House The Grove, Stanmore, Harrow, HA7 4LD
Hardsurfacing to front garden; installation of 2.4m high entrance gates and wall with pie…
2018
Approved
Knoll House The Grove, Stanmore, Harrow, HA7 4LD
Installation of two Air Conditioning units and 2m-2.3m high vertical timber hit and miss…
2017
Approved
Knoll House, The Grove, Stanmore, HA7 4LD
Extension of portico (retrospective)
2017
Withdrawn
Knoll House The Grove, Stanmore, Harrow, HA7 4LD
INVALID
2017
Withdrawn
Knoll House The Grove, Stanmore, Harrow, HA7 4LD
INVALID
2017
Approved
Knoll House, The Grove, Stanmore, HA7 4LD
Two side dormers; rooflights in side roofslopes; installation of window at first floor le…
2017
Approved
Knoll House, The Grove, Stanmore, HA7 4LD
Water feature (retrospective)
2017
Approved
Knoll House, The Grove, Stanmore, HA7 4LD
Installation of 3.1M high boundary fence (retrospective)
2016
Approved
Knoll House, The Grove, Stanmore, HA7 4LD
Two side dormers; rooflights in side roofslopes; installation of window at first floor le…
2016
Approved
Knoll House, The Grove, Stanmore, HA7 4LD
Water feature (retrospective)
2016
Approved
Knoll House, The Grove, Stanmore, HA7 4LD
Installation of 3.1M high boundary fence (retrospective)
Harrow
Planning Authority Score
5.4/10
Average
#125 of 292 councils
Relevant to this application:
Householder decisions
Harrow is faster than most councils at deciding householder applications, ranking #88 out of 292. Harrow is also one of the strictest councils - it refuses more householder applications than almost any other, with only 83% approved vs 90% nationally.
One of the strictest councils
only 83% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application.
View full council performance
Harrow decision performance
Based on MHCLG data, 2025
78%
Overall approval rate
Below avg (87%) #270 of 292
83%
Householder approved
Below avg (90%) #255 of 292
74%
Decided in 8 weeks
Above avg (64%) #88 of 292
31%
Extended time limit
Below avg (40%) #60 of 292
49%
Minor dwellings approved
136 decided (1-9 homes)
100%
Major dwellings approved
4 decided (10+ homes)
54%
Change of use approved
24 decided
1,316
Total decisions
287 refused in 2025