179 Argyle Avenue Whitton Hounslow TW3 2LP Data via plota.co.uk

PA26/3482 - Householder Application Registered
Extensions & alterations

Proposal

Single storey rear extension at a maximum 6m depth and a maximum height of 4m with eaves at 2.265m Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
12 Oct 2026
✓
Validated
15 Oct 2026
Decision
Expected by 7 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 27 Nov 2026 and 5 Dec 2026, from Richmond upon Thames's recent extensions.

Documents

View the documents on the council's website ↗

Site constraints 5

Air quality management area: Richmond 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
Local nature reserve 433 m away: Hounslow Heath; Inside the Richmond upon Thames built-up area; Public transport access: PTAL 1a (very poor), TfL 2023, for the 100 m square; National infrastructure project 1343 m away: Expansion of Heathrow Airport (Third Runway), at pre-application.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 16 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, 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 area77 m² (829 sq ft)
Energy ratingD (57 out of 100), could reach B
PropertySemi-detached house, 5 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in December 2016, the latest held for this property. The building may have changed since. View the certificate

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Other new applications on this street

8 Sept 2026Approved

149, Argyle Avenue, Whitton, Hounslow, TW3 2LP

Single-storey rear extension (6m depth, 3m eaves height, 3.85m overall height).

PA26/3121

Nearby new applications

16 Oct 2026Pending

32 Carrington Avenue,Hounslow,TW3 2LG

Certificate of lawfulness for the proposed erection of a single storey rear exte...

P/2026/2936
9 Oct 2026Pending

13, Conway Road, Whitton, Hounslow, TW4 5LL

Single storey rear extension (8.00m depth, 3.00m eaves height, 3.2m overall he

PA26/3463
5 Oct 2026Pending

14, Harvey Road, Whitton, Hounslow, TW4 5LU

Change of use from use class C3 (Dwellinghouse) to C4 (HMO).

PA26/3375
28 Sept 2026Pending

56-58 Harvey Road Whitton TW4 5LU

Details pursuant to conditions C2 Materials to be approved, C4 Refuse Arrangemen...

PA26/3326
7 Sept 2026Pending

2 Grasmere Avenue Whitton Hounslow TW3 2JQ

Single storey rear extension

PA26/3107
23 Sept 2026Pending

156 Cromwell Road,Hounslow,TW3 3QS

Certificate of lawfulness for the proposed erection of a rear roof extension wit...

P/2026/2698

Important details

Council
Richmond upon Thames
Application type
Householder Application
Postcode
TW3 2LP
Received
12 Oct 2026
Validated
15 Oct 2026
Ward
Whitton Ward [WTT]
Case officer
Show
Target decision
7 Dec 2026
Applicant
Show
Agent
Architecture Everything

Decision outlook

Day 4 of the 56-day target. Richmond upon Thames usually decides extensions by day 48.

Day 452 days to the 56-day target
78%decided within 8 weeks
86%approved
1,289decided in the last year

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

Consultation & key dates

Alt. reference
PP-15285307
Statutory expiry
5 Nov 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2025 Approved
59, Nelson Gardens, Whitton, Hounslow, TW3 3UJ
Convert the existing garage into a study room to include replacing the front garage door…
PA25/2057
2024 Approved
First Floor Flat 148 Argyle Avenue Whitton Hounslow TW3 2LS
FIRST FLOOR REAR EXTENSION, LOFT CONVERSION REAR DORMER
24/2286/FUL
2024 Withdrawn
110 Argyle Avenue Whitton Hounslow TW3 2LS
Side and infill extension, double storey side and part rear extension.
24/1410/HOT
2024 Approved
124 Argyle Avenue Whitton Hounslow TW3 2LS
Hip to gable and rear dormer roof extensions. rooflights to front elevation
24/2192/PS192
2024 Approved
124 Argyle Avenue Whitton Hounslow TW3 2LS
New rear extension at ground floor level. New front porch.
24/1333/HOT
2023 Approved
31 Nelson Gardens Whitton Hounslow TW3 3UJ
Proposed single storey rear extension with associated internal alterations
23/0923/HOT
2023 Refused
31 Nelson Gardens Whitton Hounslow TW3 3UJ
Single Storey Rear Extension (4.00m depth, 3.00m eaves height, 3.70m overall height)
23/0348/PDE
2022 Approved
79 Nelson Gardens Whitton Hounslow TW3 3UJ
First floor rear and side extensions.
22/3668/HOT
2022 Approved
130 Argyle Avenue Whitton Hounslow TW3 2LS
Gable end and rear dormer roof extension.
22/1555/PS192
2022 Approved
185 Argyle Avenue Whitton Hounslow TW3 2LP
Proposed hip to gable end loft conversion with rear dormer and 2 skylights in front roof…
22/0202/PS192
2021 Approved
209 Argyle Avenue Whitton Hounslow TW3 2LR
Creation of a loft conversion with a rear dormer.
21/3076/PS192
2021 Approved
168 Argyle Avenue Whitton Hounslow TW3 2LS
Loft conversion, facilitated by hip to gable roof alteration, rear dormer and insertion o…
21/2161/PS192
2021 Approved
205 Argyle Avenue Whitton Hounslow TW3 2LR
Creation of a Loft conversion with a dormer to the rear of the property.
21/0386/PS192
2021 Approved
39 Nelson Gardens Whitton Hounslow TW3 3UJ
Proposed outbuilding and all associated works
21/0050/PS192
2021 Approved
39 Nelson Gardens Whitton Hounslow TW3 3UJ
Proposed hip to gable loft conversion with rear dormer, floor plan redesign and all assoc…
21/0049/PS192
2020 Approved
8 Nelson Gardens Whitton Hounslow TW3 3UL
Two storey side extension.
20/2822/HOT
2020 Approved
53 Nelson Gardens Whitton Hounslow TW3 3UJ
Construction of proposed single storey outbuilding to rear garden.
20/1634/PS192
2020 Approved
35 Nelson Gardens Whitton Hounslow TW3 3UJ
Single-storey outbuilding at the end of rear garden
20/1679/PS192
2020 Approved
53 Nelson Gardens Whitton Hounslow TW3 3UJ
Single-storey rear extension (4m depth, 2.54m eaves height, 3.79m maximum height).
20/1853/PDE
2020 Approved
53 Nelson Gardens Whitton Hounslow TW3 3UJ
Single storey rear extension to include installation of 2no. rooflights within proposed r…
20/1633/HOT
2016 Approved
159 Argyle Avenue Whitton Hounslow TW3 2LP
Part single storey, part two storey rear extension.
16/2237/HOT
2016 Approved
116 Argyle Avenue Whitton Hounslow TW3 2LS
Proposed hip to gable roof extension with rear dormer and insertion of 2 No.velux windows…
16/2450/PS192
2016 Approved
159 Argyle Avenue Whitton Hounslow TW3 2LP
Loft conversion including hip to gable extension, rear dormer and 2No. Velux roof lights…
16/2235/PS192
2016 Approved
187 Argyle Avenue Whitton Hounslow TW3 2LP
Rear outbuilding.
16/1338/PS192
2016 Approved
187 Argyle Avenue Whitton Hounslow TW3 2LP
Proposed hip to gable roof extension with rear dormer and insertion of 2 No.rooflights to…
16/0961/PS192
Richmond upon Thames
Planning Authority Score
4.4/10
Below average
#182 of 296 councils
Relevant to this application:
Householder decisions

Richmond upon Thames ranks #130 out of 296 councils for householder decision speed. Richmond upon Thames is also one of the strictest councils - it refuses more householder applications than almost any other, with only 82% approved vs 90% nationally.

One of the strictest councils
only 82% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Richmond upon Thames decision statistics
Based on MHCLG data, the year to March 2026
81%
Overall approval rate
Below avg (87%) #257 of 296
82%
Householder approved
Below avg (90%) #268 of 296
69%
Decided in 8 weeks
Above avg (63%) #130 of 296
35%
Extended time limit
Below avg (41%) #104 of 296
68%
Minor dwellings approved
181 decided (1-9 homes)
100%
Major dwellings approved
3 decided (10+ homes)
47%
Change of use approved
17 decided
1,888
Total decisions
358 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.