132 Cannon Lane, Pinner, Harrow, HA5 1HR Data via plota.co.uk

Approved PL/1351/26 - Householder
Extensions & alterations
Council
Harrow 4.9/10
Date received
21 May 2026
Postcode
HA5 1HR
Type
Householder

Description

Single storey front extension incorporating porch; Conversion of garage to self contained annex ancillary to main dwelling, Replace garage door with window in front elevation; Single storey rear extension; External alterations Data via plota.co.uk

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Last checked

Site constraints 2

Air quality management area: Harrow AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
Also on the record
Inside the Harrow built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 11 September 2026. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

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Other new applications on this street

11 Jun 2026Approved

130 Cannon Lane, Pinner, Harrow, HA5 1HR

Single storey front and side extension incorporating porch; external alterations...

PL/1553/26
9 Sept 2026Pending

24 Cannon Lane, Pinner, Harrow, HA5 1HL

Details pursuant to conditions 5 (Precautionary Working Method Statement) and 6 ...

PL/2334/26
27 Jun 2026Decided

219 Cannon Lane, Pinner, Harrow, HA5 1JA

Single storey rear extension: 6.00 metres deep, 3.20 metres maximum height and 3...

PL/1745/26
30 Mar 2026Approved

GESHER SCHOOL Cannon Lane, Pinner, Harrow, HA5 1JF

Single storey detached classroom building with access steps and Stannah lowliser...

PL/0902/26

Nearby new applications

9 Sept 2026Pending

24 Cannon Lane, Pinner, Harrow, HA5 1HL

Details pursuant to conditions 5 (Precautionary Working Method Statement) and 6 ...

PL/2334/26
5 Sept 2026Pending

45 East Towers, Pinner, Harrow, HA5 1TN

Single storey front extension incorporating front porch; single storey side to r...

PL/1869/26
21 Aug 2026Pending

16 Lulworth Drive, Rayners Lane, Pinner, Harrow, HA5 1NE

Single storey rear extension; conversion of garage into habitable room; first fl...

PL/1894/26
12 Aug 2026Pending

7 Tewkesbury Avenue, Rayners Lane, Pinner, Harrow, HA5 5LQ

Certificate of Lawful Proposed Development: Conversion of garage to habitable ro...

PL/2055/26
7 Aug 2026Refused

74 St Michael's Crescent, Rayners Lane, Pinner, Harrow, HA5 5LG

Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3...

PL/1966/26
30 Jul 2026Pending

121 Eastcote Road, Pinner, Harrow, HA5 1ET

Certificate of Lawful Development (Proposed): Alterations and extension to roof ...

PL/2014/26

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Approved
89 Cannon Lane, Pinner, Harrow, HA5 1HP
Single storey front extension incorporating porch, Conversion of garage to habitable room…
PL/0025/25
2023 Approved
Pinner Chef, 86 Cannon Lane, Pinner, Harrow, HA5 1HR
Demolition of outbuildings and construction of a single-story rear extension and alterati…
P/2597/23
2023 Approved
24 Dawlish Drive, Pinner, Harrow, HA5 5LN
Conversion of garage into habitable room with alterations to front elevation and raising…
P/1911/23
2023 Approved
102 Cannon Lane, Pinner, Harrow, HA5 1HR
Single storey front extension incorporating porch; single storey rear extension; alterati…
P/0110/23
2022 Approved
5 Dawlish Drive, Pinner, Harrow, HA5 5LJ
Alterations and extension to roof; first floor side extension; alterations and extension…
P/0372/22
2022 Approved
32 Dawlish Drive, Pinner, Harrow, HA5 5LN
Single storey rear extension; conversion of garage to habitable room and storage area wit…
P/1137/22
2021 Approved
148 Cannon Lane, Pinner, Harrow, HA5 1HR
Single storey front extension incoporating porch; single storey rear extension; conversio…
P/4793/21
2021 Approved
108 Cannon Lane, Pinner, Harrow, HA5 1HR
Single storey front extension incorporating front porch; single storey side extension and…
P/3125/21
2021 Approved
5 Dawlish Drive, Pinner, Harrow, HA5 5LJ
Single storey rear extension: 6.00 metres deep, 3.47 metres maximum height and 3.00 metre…
P/3277/21/PRIOR
2021 Approved
108 Cannon Lane, Pinner, Harrow, HA5 1HR
Single Storey Rear Extension: 4.50 metres deep, 3.00 metres maximum height, 2.76 metres h…
P/3025/21/PRIOR
2021 Approved
12 Dawlish Drive, Pinner, Harrow, HA5 5LN
Single storey side to rear extension (demolition of attached garage, side to rear extensi…
P/2509/21
2021 Approved
22 Dawlish Drive, Pinner, Harrow, HA5 5LN
Single storey side to rear extension; conversion of garage into habitable room; external…
P/1999/21
2021 Refused
5 Dawlish Drive, Pinner, Harrow, HA5 5LJ
Single storey rear extension: 6.00 metres deep, 3.47 metres maximum height and 3.00 metre…
P/2473/21/PRIOR
2021 Approved
32 Dawlish Drive, Pinner, Harrow, HA5 5LN
Single storey rear extension; Conversion of garage into habitable room and storage area…
P/1701/21
2020 Refused
148 Cannon Lane, Pinner, Harrow, HA5 1HR
Single storey front extension incorporating front porch; Single and two storey side exten…
P/2200/20
2020 Approved
148 Cannon Lane, Pinner, Harrow, HA5 1HR
Single storey rear extension: 5.00 Metres deep 3.32 Metres maximum height 3.00 Metres hig…
P/2182/20/PRIOR
2020 Withdrawn
148 Cannon Lane, Pinner, Harrow, HA5 1HR
Single storey rear extension: 6.0 Metres deep 3.32 Metres maximum height 3.00 Metres high…
P/1140/20/PRIOR
2020 Approved
11 Dawlish Drive, Pinner, Harrow, HA5 5LJ
Rear dormer; installation of two rooflights in front roofslope
P/0897/20
2019 Approved
11 Dawlish Drive, Pinner, Harrow, HA5 5LJ
Single storey front extension incorporating front porch; two storey side extension; singl…
P/3351/19
2019 Approved
122 Cannon Lane, Pinner, Harrow, HA5 1HR
Single storey front extension incorporating porch; single storey side to rear extension (…
P/2364/19
2017 Approved
10 Dawlish Drive, Pinner, HA5 5LN
Conversion of garage to room; extension to raise height of garage and side extension; ext…
P/0262/17
2016 Approved
91 Cannon Lane, Pinner, HA5 1HP
Single storey side/rear extension; conversion of garage to room with installation of wind…
P/5836/16
2016 Approved
96 Cannon Lane, Pinner, HA5 1HR
Single and two storey side extension single storey rear extension (demolition of attached…
P/4356/16
2016 Approved
67 Cannon Lane, Pinner, HA5 1HP
Single storey front extension; front porch
P/3220/16
2016 Approved
96 Cannon Lane, Pinner, HA5 1HR
Single storey rear extension: extending 6 metres beyond the original rear wall 3 metres m…
P/0602/16
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 statistics
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