2 Grasmere Avenue Whitton Hounslow TW3 2JQ Data via plota.co.uk

PA26/3107 - General Permitted Development Extension Registered
Extensions & alterations

Proposal

Single storey rear extension (5.2m depth, 2.9 eaves height, 3m overall height) Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
7 Sept 2026
✓
Validated
28 Sept 2026
Decision
Expected by 19 Oct 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision between 10 Nov 2026 and 18 Nov 2026, from Richmond upon Thames's recent extensions.

Documents

View the documents on the council's website ↗

Site constraints 3

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
Inside the Richmond upon Thames built-up area; Designated open space 4 m away.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 29 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

8 Jun 2026Approved

23 Grasmere Avenue Whitton Hounslow TW3 2JG

Erection of a 6 metre rear extension with 2no roof lights.

PA26/1998

Nearby new applications

1 Oct 2026Pending

1 Colonial Avenue Twickenham TW2 7EE

Hip to gable and rear dormer roof extensions. Roof lights to the front roof slop

PA26/3346
28 Sept 2026Pending

5 Ashdale Way Twickenham TW2 7BG

Internal conversion of the existing integral garage into a habitable ground floo...

PA26/3302
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
21 Sept 2026Pending

98 Whitton Road,Hounslow,TW3 2ES

Details of Conditions 3 (hard and soft landscape works), 4 (Energy Strategy), 6 ...

P/2026/2672
18 Sept 2026Pending

179 Argyle Avenue Whitton Hounslow TW3 2LP

Proposed demolition of existing garage and rebuilding garage with same dimension...

PA26/3031
15 Sept 2026Pending

233, Nelson Road, Twickenham, TW2 7BQ

Variation of planning reference 23/2244/FUL, to alter the ground floors of both ...

PA26/2937

Important details

Council
Richmond upon Thames
Application type
General Permitted Development Extension
Postcode
TW3 2JQ
Received
7 Sept 2026
Validated
28 Sept 2026
Ward
Whitton Ward [WTT]
Case officer
Show
Target decision
19 Oct 2026
Applicant
Show
Agent
John Molloy

Decision outlook

Day 7 of the 56-day target. Richmond upon Thames usually decides extensions by day 48.

Day 749 days to the 56-day target
78%decided within 8 weeks
86%approved
1,166decided 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-15061620
Statutory expiry
19 Oct 2026

Historical activity at this location

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

This property

Previous applications at this address

2020 Approved
2-storey side extension and single storey rear extension.
20/1142/HOT
2020 Approved
2-storey side extension and single storey rear extension
20/0508/HOT
Within ~100m

Nearby activity

2025 Approved
33 Grasmere Avenue Whitton Richmond Upon Thames TW3 2JG
Loft conversion and outbuilding
PA25/3553
2025 Approved
12 and 14, Rydal Gardens, Whitton
Demolition of the existing side extension to No: 14 with additional development to the re…
PA25/0105
2024 Refused
43 Grasmere Avenue Whitton Hounslow TW3 2JG
Demolition of existing rear extension and replacement with new.
24/1082/HOT
2024 Approved
24 Rydal Gardens Whitton Hounslow TW3 2JH
Hip to gable and rear dormer roof extension with the addition of two rooflights to the fr…
24/0567/PS192
2023 Approved
10A Rydal Gardens Whitton Hounslow TW3 2JH
Proposed front porch extension.
23/2954/HOT
2023 Approved
37 Grasmere Avenue Whitton Hounslow TW3 2JG
rear-facing dormer with rooflights. opaque window on side elevation
23/2707/HOT
2023 Approved
37 Grasmere Avenue Whitton Hounslow TW3 2JG
Hip to gable roof extension. Rooflights to front elevation
23/2158/PS192
2022 Refused
12 - 14 Rydal Gardens Whitton
Demolition of existing side extension to No. 14 with additional development to the rear…
22/1134/FUL
2023 Approved
37 Grasmere Avenue Whitton Hounslow TW3 2JG
erection of a single-storey outbuilding in the rear garden.
23/0306/PS192
2022 Approved
24 Grasmere Avenue Whitton Hounslow TW3 2JQ
single storey rear extension (4.00m depth, 2.80m eaves height, 3.00m overall height)
22/2107/PDE
2022 Approved
24 Grasmere Avenue Whitton Hounslow TW3 2JQ
Proposed rear facing dormer extension with 2 front facing velux windows.
22/1256/PS192
2022 Refused
24 Grasmere Avenue Whitton Hounslow TW3 2JQ
Single storey rear extension (4.00m depth, 2.80m eaves height, 3.00m overall height
22/1284/PDE
2021 Refused
23 Grasmere Avenue Whitton Hounslow TW3 2JG
SINGLE STOREY REAR EXTENSION (6.00m depth, 3.00m eaves height, 3.20m overall height)
21/4450/PDE
2021 Approved
51 Grasmere Avenue Whitton Hounslow TW3 2JG
Single storey side extension.
21/1696/HOT
2021 Approved
53 Grasmere Avenue Whitton Hounslow TW3 2JG
Single-storey rear extension (6.00m depth 3.00m eaves height 3.20m maximum height).
21/1266/PDE
2020 Approved
10 Wills Crescent Whitton Hounslow TW3 2JB
Single storey rear extension 4.5m in depth, 3.5m in height and 3m in height to eaves.
20/3250/PDE
2020 Approved
27 Wills Crescent Whitton Hounslow TW3 2JA
Proposed Ground Floor Rear Extension, Proposed Front Porch, Proposed Loft Extension.
20/2603/PS192
2020 Approved
9 Grasmere Avenue Whitton Hounslow TW3 2JG
single storey rear extension, (5.5m depth, 3m eaves height, 3.25m maximum height) and 2x…
20/2627/PDE
2020 Approved
20 Wills Crescent Whitton Hounslow TW3 2JB
Single storey rear extension (6m depth, 3m eaves height, 4m overall height)
20/2312/PDE
2020 Approved
20 Wills Crescent Whitton Hounslow TW3 2JB
Hip to gable roof extension and rear dormer roof extension. Rooflights to front elevaiton
20/1940/PS192
2016 Withdrawn
14 Wills Crescent Whitton Hounslow TW3 2JB
New tiled roof over single storey rear extension
16/2030/HOT
2016 Approved
35 Grasmere Avenue Whitton Hounslow TW3 2JG
Hip to gable roof alteration with rear facing dormer window and velux roof lights to fron…
16/2144/PS192
2016 Approved
14 Wills Crescent Whitton Hounslow TW3 2JB
Proposed first floor rear extension.
16/0248/HOT
2016 Approved
4 Wills Crescent Whitton Hounslow TW3 2JB
Proposed single storey rear extension (5m in depth, 2.8m to the eaves and 2.95m overall h…
16/0041/PDE
2016 Approved
4 Wills Crescent Whitton Hounslow TW3 2JB
Proposed hip to gable roof extension with rear dormer and insertion of 2 No.rooflights to…
16/0040/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