11 Radley Gardens, Kenton, Harrow, HA3 9NZ Data via plota.co.uk

Pending PL/1926/26 - Certificate of Lawful Development Proposed
Extensions & alterations
Council
Harrow 4.9/10
Date received
28 Jul 2026
Postcode
HA3 9NZ
Type
Certificate of Lawful Development Proposed

Description

Certificate of Lawful Proposed Development: Alterations to roof to form rear dormer, Installation of three roof lights in front roof slope Data via plota.co.uk

Get alerts nearby Council site ↗

Last checked

Decision outlook

Plota predicts a decision around 16 Sept 2026, from recent lawful development certificates across the UK.

Day 48 of the 56-day target. Councils usually decide lawful development certificates by day 50.

Day 488 days to the 56-day target
84%decided within 8 weeks
85%approved
19,896decided in the last year

Plota live figures for lawful development certificates decided across the UK in the last twelve months, from validation; too few recent lawful development certificates in Harrow to go on. Harrow decision record →

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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Historical activity at this location

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

Within ~100m

Nearby activity

2024 Approved
5 Radley Gardens, Kenton, Harrow, HA3 9NZ
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 2.73 metre…
PL/3167/24
2024 Approved
1 Radley Gardens, Kenton, Harrow, HA3 9NZ
Alterations to roof to form end gable and two rear dormers; installation of three rooflig…
PL/0935/24
2023 Approved
55 Radley Gardens, Kenton, Harrow, HA3 9NZ
Single storey rear extension: 6.00 metres deep, 3.40 metres maximum height and 3.00 metre…
P/2742/23/PRIOR
2023 Approved
41 Radley Gardens, Kenton, Harrow, HA3 9NZ
Single Storey Rear Extension: 6.00 metres deep, 3.37 metres maximum height, 3.00 metres h…
P/0683/23/PRIOR
2022 Approved
39 Radley Gardens, Kenton, Harrow, HA3 9NZ
Single storey rear extension: 3.50 metres deep, 3.00 metres maximum height and 2.95 metre…
P/0143/22/PRIOR
2020 Approved
48 Radley Gardens, Harrow, HA3 9NY
Details pursuant to condition 7 (levels) attached to planning permission p/1873/19 dated…
P/4789/19/5744
2021 Approved
53 Radley Gardens, Kenton, Harrow, HA3 9NZ
Single storey rear extension: 6.00 metres deep, 3.55 metres maximum height and 3.00 metre…
P/1086/21/PRIOR
2020 Refused
48 Radley Gardens, Kenton, Harrow, HA3 9NY
Development to provide a semi-detached two storey dwellinghouse with habitable roofspace…
P/3994/20
2020 Approved
48 Radley Gardens, Kenton, Harrow, HA3 9NY
Details pursuant to Conditions 4 (Sewage Disposal), 5 (Disposal of Surface Water) and 6 (…
P/1556/20
2020 Approved
48 Radley Gardens, Kenton, Harrow, HA3 9NY
Details pursuant to condition 7 (levels) attached to planning permission P/1873/19 dated…
P/0980/20
2020 Approved
46 Radley Gardens, Kenton, Harrow, HA3 9NY
Single Storey Rear Extension: 6.00 metres deep, 3.00 metres maximum height, 2.73 metres h…
P/1207/20/PRIOR
2019 Refused
48 Radley Gardens, Kenton, Harrow, HA3 9NY
Details pursuant to Conditions 4 (Disposal of Sewage), 5 (Disposal of Surface Water) and…
P/4788/19
2019 Refused
48 Radley Gardens, Kenton, Harrow, HA3 9NY
Details pursuant to Condition 7 (Levels) attached to planning permission P/1873/19 dated…
P/4789/19
2019 Approved
48 Radley Gardens, Harrow, HA3 9NY
Two storey dwellinghouse (1 x 3 bed); detached garage at rear; proposed vehicle crossover…
P/1873/19
2018 Approved
47 Radley Gardens, Harrow, HA3 9NZ
Single storey rear extension: extending 6 metres beyond the original rear wall 3.5 Metres…
P/4981/18/PRIOR
2018 Approved
13 Radley Gardens, Kenton, Harrow,
Conversion of dwellinghouse into two one bedroom flats; Refuse and cycle storage; Parking
P/0251/18
2018 Withdrawn
1 Radley Gardens, Kenton, Harrow, HA3 9NZ
INVALID
P/0951/18
2017 Approved
48 Radley Gardens, Kenton, Harrow, HA3 9NY
Development to provide a two storey dwelling; detached garage at rear; extension of roof…
P/5653/17
2017 Approved
1 Radley Gardens, Harrow, HA3 9NZ
Conversion of dwellinghouse into two flats; refuse and cycle storage; parking
P/5428/17
2017 Approved
48 Radley Gardens, Kenton, Harrow, HA3 9NY
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.39 metr…
P/5701/17/PRIOR
2017 Approved
48 Radley Gardens, Harrow, HA3 9NY
Alterations to roof to form end gable; three rooflights in front roofslope; rear dormer w…
P/5511/17
2017 Approved
13 Radley Gardens, Harrow, HA3 9NZ
Conversion of dwellinghouse into two flats; refuse and cycle storage; parking
P/5081/17
2017 Approved
48 Radley Gardens, Harrow, HA3 9NY
Single storey rear extension: extending 6 metres beyond the original rear wall 3.4 Metres…
P/5418/17/PRIOR
2017 Approved
1 Radley Gardens, Harrow, HA3 9NZ
Conversion of dwellinghouse into two flats
P/2623/17
2016 Approved
48 Radley Gardens, Harrow, HA3 9NY
Development to provide a two storey dwelling with habitable roofspace detached garage and…
P/1363/16
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