51 Westfield Gardens, Kenton, Harrow, HA3 9EH Data via plota.co.uk

PL/2450/26 - Prior Notification - Larger Home Extension Pending Consideration
Extensions & alterations

Proposal

Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 2.85 metres high to the eaves Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
15 Sept 2026
Decision
Expected by 27 Oct 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision around 10 Nov 2026, from Harrow's recent extensions.

Documents 6

Plans & drawings 5

PDF Existing floor Plan(s) Plans · 16 Sept 2026 View ↗ PDF Block plan of the site Plans · 16 Sept 2026 View ↗ PDF Proposed Floor plans(s) Plans · 16 Sept 2026 View ↗ PDF Proposed Elevation(s) Plans · 16 Sept 2026 View ↗ PDF Existing Elevation(s) Plans · 16 Sept 2026 View ↗

Application forms 1

PDF Application Form Redacted Application Form (Redacted) · 16 Sept 2026 View ↗

All documents on the council site ↗

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 17 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.

Sales history 2

Last sold for £492,000 in January 2017. Terraced house, freehold.

20 January 2017£492,000
21 October 1999£127,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

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Important details

Council
Harrow
Application type
Prior Notification - Larger Home Extension
Postcode
HA3 9EH
Received
15 Sept 2026
Validated
15 Sept 2026
Ward
Kenton East
Case officer
Show
Target decision
27 Oct 2026
Decision level
Delegated decision
Applicant
Show
Agent
London Interiors

Decision outlook

Day 19 of the 56-day target. Harrow usually decides extensions by day 56.

Day 1937 days to the 56-day target
84%decided within 8 weeks
78%approved
1,672decided in the last year

Plota live figures for extensions decided by Harrow in the last twelve months, from validation. Harrow decision record →

Consultation & key dates

Statutory expiry
27 Oct 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2025
11 Westfield Gardens, Kenton, Harrow, HA3 9EH
Conversion of dwelling into two flats (2 X 3 bed); landscaping; bin and cycle stores
PL/3269/25
2025
47 Kenton Park Crescent, Kenton, Harrow, HA3 8TZ
Single storey front extension incorporating front porch; single storey side to rear exten…
PL/2536/25
2025 Approved
2 Kenmore Road, Kenton, Harrow, HA3 9EL
Single and two storey rear extension, Alterations to roof to form rear dormer, Roof light…
PL/0699/25
2025 Approved
111 Kenton Park Crescent, Kenton, Harrow, HA3 8TZ
Single storey outbuilding in rear garden
PL/0483/25
2024 Refused
32 Kenmore Road, Kenton, Harrow, HA3 9EL
Conversion of HMO into four self contained flats (3 X 2 bed and 1 X 1 bed); two storey si…
PL/2283/24
2024 Withdrawn
87 Kenton Park Crescent, Kenton, Harrow, HA3 8TZ
Conversion of dwelling into two self contained flats (1 X 1 bed and 1 X 2 bed); external…
PL/1866/24
2024 Refused
11 Westfield Gardens, Kenton, Harrow, HA3 9EH
Conversion of dwelling into two flats (2 X 3 bed); landscaping; bin and cycle stores
PL/1745/24
2024 Refused
32 Kenmore Road, Kenton, Harrow, HA3 9EL
Conversion of HMO into four self contained flats (1 X 1 bed, 2 X 2 bed and 1 X 3 bed); tw…
PL/1307/24
2024 Refused
87 Kenton Park Crescent, Kenton, Harrow, HA3 8TZ
Conversion of dwelling into three flats (2 X 2 bed and 1 X studio; refuse and cycle stora…
PL/0838/24
2024 Approved
2 Kenmore Road, Kenton, Harrow, HA3 9EL
Single storey rear extensions, rear dormers and conversion of loft to a habitable room; r…
PL/0818/24
2023 Approved
45 Westfield Gardens, Kenton, Harrow, HA3 9EH
Single storey rear extension: 6.00 metres deep, 3.40 metres maximum height and 3.00 metre…
PL/0639/23
2023 Refused
45 Westfield Gardens, Kenton, Harrow, HA3 9EH
Detached outbuilding in rear garden for use as self contained annexe incidental to main d…
PL/0686/23
2023 Refused
2 Kenmore Road, Kenton, Harrow, HA3 9EL
Single and first-floor rear extensions, rear dormer and conversion of loft to a habitable…
PL/0337/23
2023 Approved
87 Kenton Park Crescent, Kenton, Harrow, HA3 8TZ
Conversion of garage into habitable room with alterations to front elevation and raising…
PL/0045/23
2023 Approved
87 Kenton Park Crescent, Kenton, Harrow, HA3 8TZ
Single Storey Rear Extension: 6.00 metres deep, 3.40 metres maximum height, 3.00 metres h…
P/2642/23/PRIOR
2023 Refused
113 Kenton Park Crescent, Kenton, Harrow, HA3 8TZ
Conversion of the existing side to rear extension into self contained one bed flat; exter…
P/1532/23
2023 Approved
103 Kenton Park Crescent, Kenton, Harrow, HA3 8TZ
Single storey front extension; single storey side to rear extension; external alterations…
P/0783/23
2023 Refused
113 Kenton Park Crescent, Kenton, Harrow, HA3 8TZ
Conversion Of Dwelling Into Two Flats (1 X 3Bed and 1x2bed duplex); Bin And Cycle Stores
P/0379/23
2023 Approved
63 Westfield Gardens, Kenton, Harrow, HA3 9EH
Single storey rear extension; external alterations
P/0430/23
2022 Refused
4 Kenmore Road, Kenton, Harrow, HA3 9EL
Single and two storey rear extension; external alterations (demolition of rear extension)
P/3572/22
2016 Approved
18 Westfield Gardens, Harrow, HA3 9EJ
Single storey rear extension
P/1904/16
2016 Approved
85 Kenton Park Crescent, Harrow, HA3 8TZ
Single storey rear extension: extending 6 metres beyond the original rear wall 3 metres m…
P/1798/16
2016 Approved
18 Westfield Gardens, Harrow, HA3 9EJ
Single storey rear extension: extending 4 metres beyond the original rear wall 3.4 Metres…
P/2209/16
2016 Approved
26 Kenmore Road, Kenton, Harrow, HA3 9EL
Single storey front extension incorporating front porch and bin storage; two storey side…
P/1090/16
2016 Approved
123 Kenton Park Crescent, Harrow, HA3 8TZ
Conversion of dwellinghouse to two flats; rear dormer; rooflight in front roofslope; conv…
P/0113/16
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

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.