51 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN Data via plota.co.uk
Grant
PL/1167/26 - Certificate of Lawful Development Proposed
Description
Certificate of Lawful Development (Proposed): Alterations to roof; rear dormer; three rooflights in front roof slope; window in end gable Data via plota.co.uk
Other new applications on this street
Nearby new applications
ELMBANK Mayfield Drive, Pinner, Harrow, HA5 5QT
Front dormer
67 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN
Single storey front extension incorporating front porch; single and two storey s...
120 Headstone Lane, Harrow, HA2 6JN
Single and two storey side to rear extension; conversion of garage to habitable ...
26 Greenfield Way, North Harrow, Harrow, HA2 6HU
Single Storey side to rear extension; external alterations (demolition of detach...
51 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN
Single storey rear extension; external alterations
234 Headstone Lane, Harrow, HA2 6LY
Single story rear extension
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Within ~100m
Nearby activity
2025
28 Birkdale Avenue, North Harrow, Pinner, Harrow, HA5 5SQ
Single storey rear extension: 6.00 metres deep, 3.60 metres maximum height and 2.90 metre…
2024
Approved
40 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL
Single and two storey rear extension
2024
Approved
22 Birkdale Avenue, North Harrow, Pinner, Harrow, HA5 5SQ
Single storey rear extension: 4.00 metres deep, 3.00 metres maximum height and 3.00 metre…
2024
Approved
4 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL
Single storey side to rear extension; conversion of garage into habitable room; external…
2023
Refused
10 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL
Alterations and extension to raise roof height of front gable; external alterations
2023
4 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL
Single storey side to rear extension; alterations to rear dormer; alterations to garage r…
2023
Approved
70 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL
Alterations to roof to form end gable and rear dormer; installation of three rooflights i…
2023
Approved
62 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL
Single storey side to rear extension
2021
Approved
60 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL
Single storey side and rear extension. (demolition of existing garage and rear conservato…
2021
Approved
18 Greystoke Avenue, Pinner, HA5 5SL
Single and two storey side extension; rear dormer with juliette balcony; single storey re…
2021
Approved
18 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL
Alterations to form hipped roof; reduction of rear dormer width; relocation of rooflight…
2021
Refused
18 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL
Single and two storey side extension; Rear dormer with juliette balcony; Single storey re…
2021
Approved
66 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL
Single Storey Rear Extension: 4.00 metres deep, 3.85 metres maximum height, 3.00 metres h…
2020
Approved
18 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL
Single and two storey side to rear extension; installtion of two Juliette balconies to re…
2020
Refused
63 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN
Two storey side extension; single storey rear extension; rear dormer; external alteration…
2020
Approved
62 Greystoke Avenue, Pinner, HA5 5SL
Replacement of roof covering
2020
Approved
18 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL
Single and two storey side extension; alterations to roof to form end gable; external alt…
2020
Approved
40 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL
First floor side extension; Conversion of garage into habitable room with alterations to…
2020
Approved
18 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL
Single Storey Rear Extension: 4.60 metres deep, 2.80 metres maximum height, 2.70 metres h…
2020
Refused
18 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL
Single Storey Rear Extension: 6.0 metres deep, 2.803 metres maximum height, 2.696 metres…
2016
Approved
36 Birkdale Avenue, Pinner, HA5 5SQ
Single storey rear extension: extending 6 metres beyond the original rear wall 3 metres m…
2016
Approved
34 Birkdale Avenue, Pinner, HA5 5SQ
Single storey rear extension: extending 6 metres beyond the original rear wall 3 metres m…
2016
Approved
53 Greystoke Avenue, Pinner, HA5 5SN
Single storey rear extension
2016
Approved
22 Birkdale Avenue, Pinner, HA5 5SQ
Alterations to roof to form end gable to create habitable roofspace; rear dormer with jul…
2016
53 Greystoke Avenue, Pinner, HA5 5SN
Single storey rear extension and first floor front extension
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