86 Malvern Avenue, South Harrow, Harrow, HA2 9EX Data via plota.co.uk

PL/1402/25 - Householder Approved
Extensions & alterations

Proposal

Single storey front extension incorporating porch, Conversion of garage to habitable room, Replace garage door with window in front elevation, Alterations to garage roof to raise height, Single storey side extension to detached outbuilding at rear Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
29 May 2025
✓
Validated
16 Jun 2025
✓
Approved
4 Sept 2025

Approved on 4 Sept 2025 · Delegated decision · Last checked 1 Oct 2026

Documents 15

Decision & officer reports 2

PDF Decision Notice DN - FULL and HSE Granted · 4 Sept 2025 View ↗ PDF Officer Report Delegated Report · 4 Sept 2025 View ↗

Statements & assessments 3

PDF Preliminary Ecological Assessment Supporting Info (Redacted) · 16 Jun 2025 View ↗ PDF Flood Risk Assessment Supporting Info (Redacted) · 16 Jun 2025 View ↗ PDF Reasonable Exception Statement Supporting Info (Redacted) · 2 Jun 2025 View ↗

Plans & drawings 8

PDF Existing plans & elevations Plans · 8 Aug 2025 View ↗ PDF Proposed Plans Plans · 8 Aug 2025 View ↗ PDF Proposed Plans & elevations Plans · 8 Aug 2025 View ↗ PDF Title Plan Plans · 8 Aug 2025 View ↗ PDF Superseded Proposed Plans Plans · 2 Jun 2025 View ↗ PDF Superseded Proposed Elevations Plans · 2 Jun 2025 View ↗ PDF Superseded Existing Plans Plans · 2 Jun 2025 View ↗ PDF Superseded Location Plan Plans · 2 Jun 2025 View ↗

Application forms 2

PDF Application Form Application Form (Redacted) · 16 Jun 2025 View ↗ PDF CIL Form 1 CIL Document · 2 Jun 2025 View ↗

All documents on the council site ↗

Site constraints 7

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 ↗
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
1 listed building within 150 m; Inside the Harrow built-up area; Public transport access: PTAL 2 (poor), TfL 2023, for the 100 m square; Priority habitat 22 m away: No main habitat but additional habitats present; Designated open space 22 m away.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument 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.

Sales history 2

Last sold for £465,000 in April 2019. Terraced house, freehold.

25 April 2019£465,000
16 January 2014£348,950

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

Building

Floor area50 m² (538 sq ft)
Energy ratingE (50 out of 100), could reach B
PropertyEnd-terrace house, 4 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in May 2013, 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

28 Oct 2026Pending

94 Malvern Avenue, South Harrow, Harrow, HA2 9EX

Two storey side extension to provide new attached dwellinghouse; landscaping; se...

PL/2311/26
20 Jul 2026Approved

43 Malvern Avenue, South Harrow, Harrow, HA2 9EU

Single storey rear extension: 6.00 metres deep, 3.75 metres maximum height and 2...

PL/1930/26
24 Jun 2026Approved

222 Malvern Avenue, South Harrow, Harrow, HA2 9HE

Certificate of lawful development (proposed): Rear dormer; installation of roofl...

PL/1735/26

Nearby new applications

3 Nov 2026Pending

51 Kings Road, South Harrow, Harrow, HA2 9JA

First-floor side and rear extension, including extension of the existing hipped ...

PL/2904/26
28 Oct 2026Pending

94 Malvern Avenue, South Harrow, Harrow, HA2 9EX

Two storey side extension to provide new attached dwellinghouse; landscaping; se...

PL/2311/26
20 Oct 2026Pending

3 Rosebery Avenue, South Harrow, Harrow, HA2 9AR

Certificate of lawful development (proposed): Use of room as private car hire bo...

PL/2726/26
19 Oct 2026Pending

12 Tithe Farm Avenue, South Harrow, Harrow, HA2 9AE

Single storey front extension incorporating porch; conversion of garage to habit...

PL/2768/26
19 Oct 2026Pending

114 Kings Road, South Harrow, Harrow, HA2 9JH

First floor side extension; External alterations

PL/2767/26
12 Oct 2026Pending

35 Lulworth Gardens, South Harrow, Harrow, HA2 9NW

Alterations to front porch; First floor side extension; Single storey side to re...

PL/2664/26

Important details

Council
Harrow
Application type
Householder
Postcode
HA2 9EX
Received
29 May 2025
Validated
16 Jun 2025
Ward
Roxbourne
Case officer
Show
Target decision
4 Sept 2025
Decision
Grant Conditionally
Decision date
4 Sept 2025
Decision level
Delegated decision
Applicant
Show
Agent
Malathy Design

How this decision compares

Decided in 80 days from validation, 24 days slower 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
4 Sept 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
Single storey rear extension: 6.00 metres deep, 3.50 metres maximum height and 2.86 metre…
PL/1284/25
Within ~100m

Nearby activity

2025 Approved
1 Malvern Avenue, South Harrow, Harrow, HA2 9EU
Conversion of dwelling into two flats (2 X 2 bed); separate amenity space; bin and cycle…
PL/1157/25
2025 Approved
27 Malvern Avenue, South Harrow, Harrow, HA2 9EU
Single storey rear extension: 4.50 metres deep, 2.97 metres maximum height and 2.85 metre…
PL/0387/25
2023 Approved
40 Malvern Avenue, South Harrow, Harrow, HA2 9EX
Rear dormer; two rooflights in front roof slope
PL/0676/23
2023 Approved
73a Malvern Avenue, South Harrow, Harrow, HA2 9EU
Vehicle access; hardstanding to front garden
PL/0077/23
2023 Approved
73 Malvern Avenue, South Harrow, Harrow, HA2 9EU
Vehicle access; hardstanding to front garden
P/1520/23
2023 Withdrawn
96 Malvern Avenue, South Harrow, Harrow, HA2 9EX
Conversion of dwelling into two flats (1 X 2 bed and 1 X 3 bed); single storey front exte…
P/0775/23
2022 Withdrawn
96 Malvern Avenue, South Harrow, Harrow, HA2 9EX
Conversion of dwelling into two flats (1 X 2 bed and 1 X 4 bed); single storey front exte…
P/3022/22
2022 Approved
39 Malvern Avenue, South Harrow, Harrow, HA2 9EU
Single Storey Rear Extension: 5.95 metres deep, 2.85 metres maximum height, 2.85 metres h…
P/0540/22/PRIOR
2021 Approved
39 Malvern Avenue, Harrow, HA2 9EU
Single storey rear extension: 5.95 Metres deep 2.85 Metres maximum height 2.85 Metres hig…
P/4240/21/PRIOR
2021 Refused
39 Malvern Avenue, South Harrow, Harrow, HA2 9EU
Single Storey Rear Extension: 5.95 metres deep, 2.85 metres maximum height, 2.85 metres h…
P/2799/21/PRIOR
2021 Refused
39 Malvern Avenue, South Harrow, Harrow, HA2 9EU
Single Storey Rear Extension: 5.95 metres deep, 2.85 metres maximum height, 2.85 metres h…
P/2383/21/PRIOR
2021 Approved
15 Malvern Avenue, South Harrow, Harrow, HA2 9EU
Single storey rear extension: 5.00 metres deep, 2.95 metres maximum height and 2.80 metre…
P/1445/21/PRIOR
2020 Approved
80 Malvern Avenue, South Harrow, Harrow, HA2 9EX
Single Storey Rear Extension: 6.00 metres deep, 3.00 metres maximum height, 2.95 metres h…
P/3568/20/PRIOR
2020 Approved
96 Malvern Avenue, Harrow, HA2 9EX
Construction of 2 storey detached house next to no: 96 malvern avenue
P/1926/20/PREAPP
2020 Approved
1 Malvern Avenue, Harrow, HA2 9EU
Single storey rear extension: 6 metres deep 3 metres maximum height 3 metres high to the…
P/0299/20/PRIOR
2020 Refused
1 Malvern Avenue, South Harrow, Harrow, HA2 9EU
Single Storey Rear Extension: 6 metres deep, 3 metres maximum height, 3 metres high to th…
P/0113/20/PRIOR
2019 Approved
59 Malvern Avenue, South Harrow, Harrow, HA2 9EU
Single Storey Rear Extension: 5 metres deep, 2.90 metres maximum height, 2.75 metres high…
P/2379/19/PRIOR
2019 Approved
71 Malvern Avenue, South Harrow, Harrow, HA2 9EU
Single Storey Rear Extension: 6 metres deep, 3 metres maximum height, 3 metres high to th…
P/2228/19/PRIOR
2019 Approved
71 Malvern Avenue, Harrow, HA2 9EU
Single storey rear extension: 6 metres deep 3 metres maximum height 3 metres high to the…
P/1692/19/PRIOR
2019 Approved
71 Malvern Avenue, South Harrow, Harrow, HA2 9EU
Single storey rear extension
P/1045/19
2017 Approved
75 Malvern Avenue, Harrow, HA2 9EU
Single storey front extension incorporating front porch; single and two storey side to re…
P/1178/17/5243
2017 Approved
38 Malvern Avenue, Harrow, HA2 9EX
Single storey side to rear extension; front porch; single storey outbuilding in rear gard…
P/2212/17
2017 Approved
75 Malvern Avenue, Harrow, HA2 9EU
Single storey front extension incorporating front porch; single and two storey side to re…
P/1178/17
2017 Approved
38 Malvern Avenue, Harrow, HA2 9EX
Single storey side to rear extension; front porch; single storey outbuilding in rear gard…
P/0317/17
2016 Approved
14 Malvern Avenue, Harrow, HA2 9EX
Single storey rear extension: extending 6 metres beyond the original rear wall 3.5 Metres…
P/1019/16
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.

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.