15 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH Data via plota.co.uk

Approved PL/1683/26 - Householder
DemolitionExtensions & alterations
Council
Harrow 4.9/10
Date received
2 Jul 2026
Postcode
HA5 4QH
Type
Householder

Description

Single storey side to rear extension; front porch; single storey outbuilding in rear garden (demolition of shed and side timber structure) 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

5 Sept 2026Pending

27 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH

Front porch, Bay window to ground floor front elevation, Relocation of entrance ...

PL/2318/26
3 Sept 2026Pending

8A Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QJ

Single storey rear extension: 4.50 metres deep, 3.00 metres maximum height and 2...

PL/2315/26
12 Jun 2026Approved

8 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QJ

Single storey rear extension: 6.00 metres deep, 3.25 metres maximum height and 2...

PL/1573/26

Nearby new applications

11 Sept 2026Pending

27 Royston Park Road, Hatch End, Pinner, Harrow, HA5 4AA

Front entrance canopy; first floor front extension with bay windows; single and ...

PL/2117/26
5 Sept 2026Pending

27 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH

Front porch, Bay window to ground floor front elevation, Relocation of entrance ...

PL/2318/26
3 Sept 2026Pending

8A Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QJ

Single storey rear extension: 4.50 metres deep, 3.00 metres maximum height and 2...

PL/2315/26
2 Sept 2026Pending

76 Hillview Road, Hatch End, Pinner, Harrow, HA5 4PE

Replace garage door with window in front elevation; Single storey rear extension...

PL/2283/26
26 Aug 2026Pending

91 Hillview Road, Hatch End, Pinner, Harrow, HA5 4PB

Non material amendment to planning permission PL/0656/26 dated 11/06/2026 to all...

PL/2224/26
12 Aug 2026Pending

62 The Avenue, Hatch End, Pinner, Harrow, HA5 4HA

Two storey front extension; two storey side extension

PL/2108/26

Historical activity at this location

26 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2025 Approved
Single storey side to rear extension; alterations and extension to roof to form end gable…
PL/0649/25
Within ~100m

Nearby activity

2025
30 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QJ
Single storey rear extension; alterations to roof to form gable ends; two dormers to each…
PL/3120/25
2025 Approved
27 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH
Front porch, Relocation of entrance door to front elevation Single and two storey side ex…
PL/0384/25
2024 Approved
42 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QJ
Single storey side to rear extension; first floor side extension; relocation of main entr…
PL/1691/24
2024 Approved
42 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QJ
Single storey side to rear extension; first floor side extension; alterations and extensi…
PL/0726/24
2023 Approved
33 Lyndon Avenue, Hatch End, Pinner, Harrow, HA5 4QF
Single storey front extension incorporating porch; two storey side to rear extension; sin…
PL/0422/23
2023 Approved
42 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QJ
Single storey side to rear extension; single storey rear extension; first floor side exte…
PL/0419/23
2023 Approved
42 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QJ
Single storey rear extension: 6.00 metres deep, 3.20 metres maximum height and 2.54 metre…
PL/0192/23
2023 Approved
33 Lyndon Avenue, Hatch End, Pinner, Harrow, HA5 4QF
Single Storey Rear Extension: 6.00 metres deep, 3.40 metres maximum height, 3.00 metres h…
P/2424/23/PRIOR
2023 Approved
42 Lyndon Avenue, Hatch End, Pinner, Harrow, HA5 4QG
Conversion of garage to habitable room with installation of window to front; external alt…
P/1731/23
2023 Approved
15 Lyndon Avenue, Hatch End, Pinner, Harrow, HA5 4QF
Single storey front extension incorporating front porch; Single storey rear extension
P/0092/23
2023 Approved
43 Lyndon Avenue, Hatch End, Pinner, Harrow, HA5 4QF
Single storey front extension; single and two storey rear extension; first floor side ext…
P/0982/23
2022 Approved
27 Derwent Avenue, Pinner, HA5 4QH
Alterations and extension to roof to create first floor level; front and rear dormers; ro…
P/0126/22/6079
2022 Approved
15 Lyndon Avenue, Hatch End, Pinner, Harrow, HA5 4QF
Single storey rear extension: 4.00 metres deep, 3.55 metres maximum height and 3.00 metre…
P/4008/22/PRIOR
2022 Approved
33 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH
Single storey side extension to create undercroft; single storey side to rear extension…
P/2754/22
2022 Refused
33 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH
Single storey side extension; single storey rear extension; front porch; alterations and…
P/1059/22
2022 Approved
43 Lyndon Avenue, Hatch End, Pinner, Harrow, HA5 4QF
Single storey front extension; single and two storey rear extension; first floor side ext…
P/1202/22
2022 Approved
43 Lyndon Avenue, Hatch End, Pinner, Harrow, HA5 4QF
Single storey rear extension: 4.50 metres deep, 3.00 metres maximum height and 3.00 metre…
P/0053/22/PRIOR
2022
27 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH
Alterations and extension to roof to create first floor level; front and rear dormers; ro…
P/0126/22
2021 Approved
3 Lyndon Avenue, Hatch End, Pinner, Harrow, HA5 4QF
Single storey rear extension
P/0670/21
2021 Approved
3 Lyndon Avenue, Hatch End, Pinner, Harrow, HA5 4QF
Single storey front extension incorporating front porch
P/0669/21
2017 Withdrawn
27 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH
INVALID - To carry out 4M rear extension and 1.8M side extension
P/3124/17
2016 Approved
3 Derwent Avenue, Pinner, HA5 4QH
Single storey rear extension
P/5575/16
2016 Approved
29 Lyndon Avenue, Pinner, HA5 4QF
Single storey front extension incorporating front porch; two storey side to rear extensio…
P/4976/16
2016 Approved
38 Lyndon Avenue, Pinner, HA5 4QG
Single storey rear infill extension.
P/4136/16
2016 Approved
12 Lyndon Avenue, Pinner, HA5 4QG
First floor side extension; rooflight in front and rear roofslopes; sun pipe in side roof…
P/0930/16
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