78 Spencer Road, Wealdstone, Harrow, HA3 7AR Data via plota.co.uk

Decided PL/2001/26 - Prior Notification - Larger Home Extension
Extensions & alterations
Council
Harrow 4.9/10
Date received
29 Jul 2026
Postcode
HA3 7AR
Type
Prior Notification - Larger Home Extension

Description

Single storey rear extension: 6.00 metres deep, 3.17 metres maximum height and 2.99 metres high to the eaves 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

19 May 2026Refused

18 Spencer Road, Wealdstone, Harrow, HA3 7AP

Change of use from a 6 Bed HMO (Use Class C4) to a 7 Bed HMO (Usec Class Sui Gen...

PL/0872/26

Nearby new applications

11 Sept 2026Pending

86 Canning Road, Wealdstone, Harrow

Single storey rear infill extensions; rear dormer

PL/1717/26
10 Sept 2026Pending

25 Hibbert Road, Harrow Weald, Harrow, HA3 7JU

Certificate of lawful development (proposed): Alterations to roof to form end ga...

PL/2369/26
5 Sept 2026Pending

15 Grant Road, Wealdstone, Harrow, HA3 7SB

Certificate of lawful development (existing): Use of the property as a small HMO...

PL/1555/26
26 Aug 2026Pending

45 Athelstone Road, Harrow Weald, Harrow, HA3 5NX

Certificate of Lawful Development (Proposed): Front porch; rear dormer; three ro...

PL/1382/26
22 Aug 2026Pending

96A Cecil Road, Wealdstone, Harrow, HA3 5RB

Retention of out building with reduction in size and removal of shower room.

PL/2213/26
22 Aug 2026Pending

78 Spencer Road, Wealdstone, Harrow, HA3 7AR

Conversion of dwelling into four flats (2 X Studio, 1 x 1 bed & 1 X 2 bed); sing...

PL/2163/26

Historical activity at this location

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

Within ~100m

Nearby activity

2025
13 The Broadway, Wealdstone, Harrow, HA3 7EH
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3.00 metre…
PL/2754/25
2025 Approved
50 The Broadway, Wealdstone, Harrow, HA3 7EH
Single storey rear extension: 6.00 metres deep, 2.50 metres maximum height and 2.50 metre…
PL/0779/25
2025 Approved
62 Spencer Road, Wealdstone, Harrow, HA3 7AR
Conversion of dwelling into four flats (1 x studio, 2 x 1 bed, and 1 x 2 beds); single an…
PL/0840/25
2024 Approved
19 The Broadway, Wealdstone, Harrow, HA3 7EH
Single storey rear extension
PL/2265/24
2024 Refused
19 The Broadway, Wealdstone, Harrow, HA3 7EH
Single storey rear extension; external alterations (demolition of rear extension)
PL/1642/24
2023 Refused
58 Spencer Road, Wealdstone, Harrow,
Conversion of dwellinghouse into four flats (1 x 1 bed, 2 x Studio and 1 x 2 bed); Single…
P/2559/23
2023 Approved
58 Spencer Road, Wealdstone, Harrow, HA3 7AR
Conversion of dwelling into three flats (2X 1 bed and 1 X 3 bed): Single and two storey s…
P/2452/23
2023 Approved
86 Spencer Road, Harrow, HA3 7AR
Two storey detached dwellinghouse with habitable roofspace in rear garden of 86 spencer r…
P/3241/22/6168
2023 Approved
58 Spencer Road, Harrow, HA3 7AR
Conversion of dwelling into three flats (1 x 1 bed 1 x 2 bed and 1 x 3 bed): single and t…
P/1420/23
2023 Refused
58 Spencer Road, Wealdstone, Harrow, HA3 7AR
Conversion of dwellinghouse into four flats (1 x 1 bed, 2 x Studio and 1 x 2 bed); Single…
P/0996/23
2023 Refused
62 Spencer Road, Wealdstone, Harrow, HA3 7AR
Conversion of dwelling into four flats (1 X studio, 2 X 1 bed and 1 X 2 bed); single and…
P/1422/23
2023 Approved
62 Spencer Road, Wealdstone, Harrow, HA3 7AR
Conversion of dwelling into three flats (1 X 1 bed, 1 X 2 bed and 1 X 3 bed); single and…
P/1425/23
2022 Approved
52 Spencer Road, Wealdstone, Harrow, HA3 7AR
Conversion of House of multiple occupancy (HMO) into four flats (3 X Studio and 1 X 2 bed…
P/4266/22
2022 Approved
52 Spencer Road, Wealdstone, Harrow, HA3 7AR
Conversion of house of multiple occupancy (HMO) into three flats (2 X studio and 1 X 3 be…
P/4265/22
2022 Refused
21 The Broadway, Wealdstone, Harrow, HA3 7EH
Single storey rear extension: 6.00 metres deep, 3.80 metres maximum height and 3.00 metre…
P/4167/22/PRIOR
2022 Refused
Savita Medical Centre, 86 Spencer Road, Wealdstone, Harrow, HA3 7AR
Two storey detached dwellinghouse with habitable roofspace in rear garden of 86 Spencer R…
P/3241/22
2022 Approved
40C Spencer Road, Harrow, HA3 7AR
Redevelopment to provide two storey detached (4 bed) dwelling with habitable roofspace; a…
P/3519/21/6035
2021 Approved
92 Spencer Road, Wealdstone, Harrow, HA3 7AR
Two storey side to rear extension incoporating garage; single storey rear extension; alte…
P/4012/21
2021 Refused
Savita Medical Centre, 86 Spencer Road, Wealdstone, Harrow, HA3 7AR
New detached dwelling with habitable roofspace in rear garden of 86 Spencer Road; landsca…
P/3624/21
2021 Refused
40c Spencer Road, Wealdstone, Harrow, HA3 7AR
Redevelopment to provide two storey detached (4 bed) dwelling with habitable roofspace; a…
P/3519/21
2018 Approved
52 Spencer Road, Harrow, HA3 7AR
Single storey rear extension: extending 5.5 Metres beyond the original rear wall 4 metres…
P/4271/18/PRIOR
2016 Approved
80 Spencer Road, Harrow, HA3 7AR
Single and two storey side to rear extension and single storey rear extension rear dormer…
P/1481/16
2016 Withdrawn
18 The Broadway, Wealdstone, Harrow, HA3 7EH
INVALID - Single storey side extension; enlargement of front porch
P/2324/16
2016 Approved
18 The Broadway, Harrow, HA3 7EH
Single storey front extension incorporating front porch and two storey side to rear exten…
P/0242/16
2016 Withdrawn
18 The Broadway, Wealdstone, Harrow, HA3 7EH
INVALID
P/1005/16
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