4 Cuckoo Hill Road, Pinner, Harrow, HA5 1AY Data via plota.co.uk

Approved PL/1114/26 - Certificate of Lawful Development Proposed
Extensions & alterations
Council
Harrow 4.9/10
Date received
28 Apr 2026
Postcode
HA5 1AY
Type
Certificate of Lawful Development Proposed

Description

Certificate of lawful development (proposed): Single storey rear extension 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

26 Jun 2026Approved

2 Cuckoo Hill Road, Pinner, Harrow, HA5 1AY

Single storey rear extension

PL/1445/26
4 Jun 2026Approved

West End L.t.c., TENNIS CLUB Cuckoo Hill Road, Pinner, Harrow, HA5 1AY

Details pursuant to condition 5 (post installation measurements) attached to pla...

PL/1467/26
28 Jul 2026Refused

22 Cuckoo Hill Drive, Pinner, Harrow, HA5 3PF

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

PL/1982/26
21 Jul 2026Pending

20 Cuckoo Hill Drive, Pinner, Harrow, HA5 3PF

Single storey rear extension; side and rear dormers; external alterations (demol...

PL/1813/26

Nearby new applications

11 Sept 2026Pending

7 Sweetmans Avenue, Pinner, Harrow, HA5 3NS

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

PL/2156/26
28 Aug 2026Pending

19 West End Avenue, Pinner, Harrow, HA5 1BH

Certificate of Lawful Development (Proposed): Alterations to roof to form side m...

PL/2287/26
27 Aug 2026Pending

70 Birchmead Avenue, Pinner, Harrow, HA5 2BH

Certificate Of Lawful Development (Proposed): Rear dormer; three rooflights in f...

PL/2243/26
13 Aug 2026Approved

35 Rochester Drive, Pinner, Harrow, HA5 1DA

TPO No. 319 Rochester Drive (No.1) Pinner T5 (T1) Oak (rear garden): Remove dead...

PL/1645/26
11 Aug 2026Pending

52 Westbury Lodge Close, Pinner, Harrow, HA5 3FG

Single storey rear extension; conversion of garage to habitable room with instal...

PL/2127/26
8 Aug 2026Approved

54 High View, Pinner, Harrow, HA5 3PB

TPO No. 392 Cuckoo Hill Drive (No.2) Pinner T8 Scots pine (rear garden): Extensi...

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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 Approved
25 Cuckoo Hill Road, Pinner, Harrow, HA5 1AS
Alterations to bay windows in ground floor front elevation; Single and two storey side ex…
PL/1014/25
2025 Approved
28 Cuckoo Hill Road, Pinner, Harrow, HA5 1AY
Single and two storey side to rear extension, External alterations (Demolition of side ex…
PL/0142/25
2024
West End L.t.c., Tennis Club Cuckoo Hill Road, Pinner, Harrow, HA5 1AY
replace existing halide floodlights on courts 1-6 with more energy-efficient LED luminair…
PL/3336/24
2024 Approved
27 Cuckoo Hill Road, Pinner, Harrow, HA5 1AS
Single storey front extension incorporating front porch; two storey side to rear extensio…
PL/1406/24
2023 Refused
27 Cuckoo Hill Road, Pinner, Harrow, HA5 1AS
Single storey front extension; front entrance canopy; two storey side to rear extension…
PL/0835/23
2023 Approved
30 Cuckoo Hill Road, Pinner, Harrow, HA5 1AY
Single storey side to rear extension; external alterations
PL/0489/23
2023 Approved
25 Cuckoo Hill Road, Pinner, Harrow, HA5 1AS
Single and two storey side extension; single and two storey rear extension; alterations t…
P/1243/23
2023 Withdrawn
25 Cuckoo Hill Road, Pinner, Harrow, HA5 1AS
Two storey side to rear extension; single storey rear extension; alterations to the front…
P/1024/23
2022 Approved
26 Cuckoo Hill Road, Pinner, Harrow, HA5 1AY
Single and two storey side extension; single and two storey side to rear extension; singl…
P/1819/22
2018 Approved
33 Cuckoo Hill Road, Pinner, HA5 1AS
Tpo notes a group tpo g14 at the south east corner of the garden to 33 cuckoo hill road…
P/5545/18
2021 Approved
33 Cuckoo Hill Road, Pinner, Harrow, HA5 1AS
T66 Beech (rear garden): In decline. Significant basal / root decay. Fell and replace wit…
P/3601/21
2021 Approved
2 Cuckoo Hill Road, Pinner, Harrow, HA5 1AY
Alterations to roof to form crown roof and two rear dormers; single storey rear extension…
P/1981/21
2021 Approved
27 Cuckoo Hill Road, Pinner, Harrow, HA5 1AS
Two storey front extension; single storey porch canopy; two storey side to rear extension…
P/1783/21
2021 Withdrawn
26 Cuckoo Hill Road, Pinner, Harrow, HA5 1AY
Single and two storey side to rear extension; single storey rear extension
P/2043/21
2021 Approved
5a Crest View, Pinner, Harrow, HA5 1AN
T5 Monterey cypress (front): Crown reduce by removing 3-4m from height and 1.5m from side…
P/1611/21
2020 Approved
29 Cuckoo Hill Road, Pinner, Harrow, HA5 1AS
T72 Oak (rear garden, rear boundary): Reduce right-hand stem (section of crown to west as…
P/4576/20
2020 Approved
20 Cuckoo Hill Road, Pinner, Harrow, HA5 1AY
Single storey rear conservatory extension
P/3785/20
2020 Approved
27 Cuckoo Hill Road, Pinner, HA5 1AS
2 Storey rear extension 2 storey front extension; conversion of loft space to study and g…
P/2236/20/PREAPP
2020 Refused
5 Crest View, Pinner, Harrow, HA5 1AN
Details pursuant to conditions 2 (materials), 3 (landscaping), 6 (building regulations st…
P/1897/20
2020 Approved
33 Cuckoo Hill Road, Pinner, Harrow, HA5 1AS
Details pursuant to condition 10 (acoustic report) attached to planning permission P/0205…
P/1434/20
2016 Approved
5 Cuckoo Hill Road, Pinner, HA5 1AS
First floor side extension single and two storey rear extension; rear dormer to create ha…
P/5327/16
2016 Approved
Tennis Club, Cuckoo Hill Road, Pinner, HA5 1AY
Installation of three new 4.5M high floodlighting columns with four luminaires (court nos…
P/1468/16/5020
2016 Approved
35 Cuckoo Hill Road, Pinner, HA5 1AS
T64 rowan (front garden): remove declining tree. Insufficient space for replacement
P/3600/16
2016 Approved
Tennis Club, Cuckoo Hill Road, Pinner, HA5 1AY
Installation of three new 4.5M high floodlighting columns with four luminaires (court nos…
P/1468/16
2016 Approved
26 Cuckoo Hill Road, Pinner, HA5 1AY
Single storey rear extension: extending 8 metres beyond the original rear wall 3.5 Metres…
P/1615/16
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