22 Eastern Avenue, Rayners Lane, Pinner, Harrow, HA5 1NP Data via plota.co.uk

PL/2547/25 - Prior Notification - Larger Home Extension Approved
Extensions & alterations

Proposal

Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 2.95 metres high to the eaves Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
1 Oct 2025
✓
Approved
3 Nov 2025

Approved on 3 Nov 2025 · Delegated decision · Last checked 18 Oct 2026

Documents 3

Decision & officer reports 1

PDF Decision Notice DN - PRICOM and PRIEXT PA NREQ · 3 Nov 2025 View ↗

Plans & drawings 1

PDF Location Plan/ Site plan Plans · 1 Oct 2025 View ↗

Application forms 1

PDF Application Form (Redacted) Application Form (Redacted) · 1 Oct 2025 View ↗

All documents on the council site ↗

Site constraints 3

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; Public transport access: PTAL 1b (very poor), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 2 November 2026. Historic England, the Environment Agency, Natural England, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) 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.

Building

Floor area106 m² (1,141 sq ft)
Energy ratingD (62 out of 100), could reach B
PropertySemi-detached house, 6 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in February 2016, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate

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Other new applications on this street

6 Aug 2026Approved

61 Eastern Avenue, Rayners Lane, Pinner, Harrow, HA5 1NW

Canopy at rear (retrospective)

PL/1727/26

Nearby new applications

6 Nov 2026Pending

16 Lulworth Drive, Rayners Lane, Pinner, Harrow, HA5 1NE

Single storey rear extension: 4.50 metres deep, 3.50 metres maximum height and 2...

PL/2943/26
3 Nov 2026Pending

22 Eastern Avenue, Rayners Lane, Pinner, Harrow, HA5 1NP

Relocation of entrance door in front elevation; Porch canopy to front elevation;...

PL/2861/26
22 Oct 2026Pending

122 WOODLANDS AVENUE RUISLIP

Single storey rear extension and loft conversion with removal of shed (Applicati...

29067/APP/2026/2486
20 Oct 2026Pending

97 Village Way, Rayners Lane, Pinner, Harrow, HA5 5AA

Certificate of lawful development (proposed): Rear dormer

PL/2742/26
20 Oct 2026Pending

95 Village Way, Rayners Lane, Pinner, Harrow, HA5 5AA

Front porch; Alterations to roof to form end gables and rear dormer with bifold ...

PL/2780/26
20 Oct 2026Pending

14 Downs Avenue, Pinner, Harrow, HA5 5AH

Certificate of lawful development (proposed): Alterations to roof to form wrap a...

PL/2766/26

Important details

Council
Harrow
Application type
Prior Notification - Larger Home Extension
Postcode
HA5 1NP
Received
1 Oct 2025
Validated
1 Oct 2025
Ward
Pinner South
Case officer
Show
Target decision
12 Nov 2025
Decision
Prior Approval not required
Decision date
3 Nov 2025
Decision level
Delegated decision
Applicant
Show
Agent
ArchiGrace Limited

How this decision compares

Decided in 33 days from validation, 23 days faster than Harrow's median of 56 for extensions. Approved, as 78% of extensions here are.

81%decided within 8 weeks
78%approved
1,884decided 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
12 Nov 2025

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
Certificate of Lawful Development (Proposed): Alterations and extension to roof to form e…
PL/2786/25
Within ~100m

Nearby activity

2025 Approved
23 Wimborne Drive, Rayners Lane, Pinner, Harrow, HA5 1NH
Relocation of main entrance to front elevation; single storey front extension incorporati…
PL/1473/25
2025 Refused
23 Wimborne Drive, Rayners Lane, Pinner, Harrow, HA5 1NH
Relocation of entrance to front elevation, Single and two storey side to rear extension…
PL/0502/25
2024 Approved
23 Wimborne Drive, Rayners Lane, Pinner, Harrow, HA5 1NH
Single storey rear extension: 6.00 metres deep, 3.20 metres maximum height and 3.00 metre…
PL/3383/24
2024 Approved
31 Wimborne Drive, Rayners Lane, Pinner, Harrow, HA5 1NH
Single storey rear extension: 6.00 metres deep, 3.80 metres maximum height and 3.00 metre…
PL/1427/24
2023 Approved
2 Raleigh Close, Rayners Lane, Pinner, Harrow, HA5 1NR
Front Porch, single and two storey side to rear extension; single storey rear extension…
PL/0244/23
2023 Approved
25 Wimborne Drive, Rayners Lane, Pinner, Harrow, HA5 1NH
Single storey rear extension: 8.00 metres deep, 3.15 metres maximum height and 3.00 metre…
P/1965/23/PRIOR
2023 Approved
25 Wimborne Drive, Rayners Lane, Pinner, Harrow, HA5 1NH
Alterations and extension to roof form end gables; increase in roof ridge height; rear do…
P/0955/23
2023 Approved
32 Eastern Avenue, Rayners Lane, Pinner, Harrow, HA5 1NP
Single storey side to rear extension; external alterations (demolition of conservatory an…
P/0382/23
2022 Approved
32 Eastern Avenue, Rayners Lane, Pinner, Harrow, HA5 1NP
Single Storey Rear Extension: 4.00 metres deep, 3.20 metres maximum height, 2.95 metres h…
P/4222/22/PRIOR
2021 Approved
4 Eastern Avenue, Pinner, HA5 1NP
Single storey front extension incorporating front porch; single and two storey side exten…
P/2057/21/5961
2021 Refused
4 Eastern Avenue, Rayners Lane, Pinner, Harrow, HA5 1NP
Single storey front extension incorporating front porch; single and two storey side exten…
P/2057/21
2021 Approved
6 Eastern Avenue, Rayners Lane, Pinner, Harrow, HA5 1NP
First floor side extension; conversion of garage into habitable room; single storey rear…
P/2978/21
2021 Approved
4 Eastern Avenue, Rayners Lane, Pinner, Harrow, HA5 1NP
Single storey outbuilding in rear garden
P/2037/21
2021 Approved
6 Eastern Avenue, Rayners Lane, Pinner, Harrow, HA5 1NP
Single Storey Rear Extension: 6.00 metres deep, 3.60 metres maximum height, 3.00 metres h…
P/1972/21/PRIOR
2020 Approved
4 Eastern Avenue, Pinner, HA5 1NP
Single storey front extension incorporating front porch; single and two storey side exten…
P/0892/20/5786
2020 Approved
34 Eastern Avenue, Pinner, HA5 1NP
Single storey rear extension; side extension with gable end (demolition of detached garag…
P/4609/19/5722
2020 Approved
15 Wimborne Drive, Pinner, HA5 1NH
Single storey rear extension: 6.00 Metres deep 3.67 Metres maximum height 2.90 Metres hig…
P/1210/20/PRIOR
2020 Refused
4 Eastern Avenue, Rayners Lane, Pinner, Harrow, HA5 1NP
Single storey front extension incorporating front porch; single and two storey side exten…
P/0892/20
2020 Approved
15 Wimborne Drive, Pinner, HA5 1NH
Single storey rear extension: 6.00 Metres deep 3.77 Metres maximum height 3.0 Metres high…
P/0713/20/PRIOR
2017 Approved
55 Wimborne Drive, Pinner, HA5 1NH
Single storey rear extension: extending 5 metres beyond the original rear wall 4 metres m…
P/0736/17
2016 Approved
11 Wimborne Drive, Pinner, HA5 1NH
Single and two storey rear extension
P/3203/16
2016 Approved
26 Eastern Avenue, Pinner, HA5 1NP
Single storey side to rear extension (demolition of side extension)
P/3429/16
2016 Approved
47 Wimborne Drive, Pinner, HA5 1NH
Single storey side extension
P/3215/16
2016 Approved
3 Raleigh Close, Pinner, HA5 1NR
First floor side extension
P/2907/16
2016 Approved
27 Wimborne Drive, Pinner, HA5 1NH
Single storey front side and rear extension incorporating front porch; external alteratio…
P/0950/16
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

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.