51 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN Data via plota.co.uk

Grant Conditionally PL/1165/26 - Householder
Extensions & alterations
Council
Harrow 4.9/10
Date received
23 May 2026
Postcode
HA5 5SN
Type
Householder

Description

Single storey rear extension; external alterations Data via plota.co.uk

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Other new applications on this street

67 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN

Single storey front extension incorporating front porch; single and two storey s...

PL/1318/26 - 12 Jun 2026

12 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL

Single storey front extension incorporating porch; Conversion of garage to habit...

PL/2130/26 - 14 Aug 2026

Nearby new applications

12 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL

Single storey front extension incorporating porch; Conversion of garage to habit...

PL/2130/26 - 14 Aug 2026

214 Headstone Lane, Harrow, HA2 6LY

Single storey side extension with associated hipped roof modification, conversio...

PL/2119/26 - 11 Aug 2026

214 Headstone Lane, Harrow, HA2 6LY

Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 2...

PL/2111/26 - 8 Aug 2026

51 Capel Gardens, Pinner, Harrow, HA5 5RF

Detached Garage

PL/1471/26 - 22 Jul 2026

55 Anglesmede Crescent, Harrow, Pinner, HA5 5ST

Single and two storey rear extension; external alterations including bay window ...

PL/3111/25 - 18 Jul 2026

30 The Squirrels, Pinner, Harrow, HA5 3BD

TPO 103 Nower Hill (No. 3) Pinner T1 Hornbeam (front): Crown Reduce by removing ...

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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

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…
PL/0620/25
2024 Approved
40 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL
Single and two storey rear extension
PL/2491/24
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…
PL/1888/24
2024 Approved
4 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL
Single storey side to rear extension; conversion of garage into habitable room; external…
PL/0186/24
2023 Refused
10 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL
Alterations and extension to raise roof height of front gable; external alterations
PL/0078/23
2023
4 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL
Single storey side to rear extension; alterations to rear dormer; alterations to garage r…
P/2635/23
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…
P/2128/23
2023 Approved
62 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL
Single storey side to rear extension
P/1086/23
2021 Approved
60 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL
Single storey side and rear extension. (demolition of existing garage and rear conservato…
P/4442/21
2021 Approved
18 Greystoke Avenue, Pinner, HA5 5SL
Single and two storey side extension; rear dormer with juliette balcony; single storey re…
P/1232/21/5940
2021 Approved
18 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL
Alterations to form hipped roof; reduction of rear dormer width; relocation of rooflight…
P/2401/21
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…
P/1232/21
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…
P/1215/21/PRIOR
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…
P/3045/20
2020 Refused
63 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN
Two storey side extension; single storey rear extension; rear dormer; external alteration…
P/2021/20
2020 Approved
62 Greystoke Avenue, Pinner, HA5 5SL
Replacement of roof covering
IN/00862/2020
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…
P/1781/20
2020 Approved
40 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL
First floor side extension; Conversion of garage into habitable room with alterations to…
P/2044/20
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…
P/1786/20/PRIOR
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…
P/1689/20/PRIOR
2016 Approved
36 Birkdale Avenue, Pinner, HA5 5SQ
Single storey rear extension: extending 6 metres beyond the original rear wall 3 metres m…
P/3528/16
2016 Approved
34 Birkdale Avenue, Pinner, HA5 5SQ
Single storey rear extension: extending 6 metres beyond the original rear wall 3 metres m…
P/3145/16
2016 Approved
53 Greystoke Avenue, Pinner, HA5 5SN
Single storey rear extension
P/1395/16
2016 Approved
22 Birkdale Avenue, Pinner, HA5 5SQ
Alterations to roof to form end gable to create habitable roofspace; rear dormer with jul…
P/1418/16
2016
53 Greystoke Avenue, Pinner, HA5 5SN
Single storey rear extension and first floor front extension
P/5649/15/4948
Harrow
Planning Authority Score
4.9/10
Below average
#153 of 296 councils
Relevant to this application:
Householder decisions

Harrow ranks #115 out of 296 councils for householder decision speed. 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, the year to March 2026
78%
Overall approval rate
Below avg (87%) #273 of 296
83%
Householder approved
Below avg (90%) #261 of 296
71%
Decided in 8 weeks
Above avg (63%) #115 of 296
33%
Extended time limit
Below avg (41%) #77 of 296
44%
Minor dwellings approved
133 decided (1-9 homes)
80%
Major dwellings approved
5 decided (10+ homes)
38%
Change of use approved
26 decided
1,330
Total decisions
298 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings