33 Grasmere Avenue Whitton Richmond Upon Thames TW3 2JG Data via plota.co.uk

Approved PA25/3553 - Section 192 Permitted Development
Extensions & alterations
Council
Richmond upon Thames 4.4/10
Date received
7 Oct 2025
Date validated
7 Oct 2025
Decision date
2 Dec 2025
Postcode
TW3 2JG
Type
Section 192 Permitted Development

Description

Loft conversion and outbuilding Data via plota.co.uk

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Last checked

How this decision compares

Decided in 56 days from validation, 7 days slower than Richmond upon Thames's median of 49 for extensions. Approved, as 85% of extensions here are.

76%decided within 8 weeks
85%approved
1,397decided 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 →

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
Inside the Richmond upon Thames built-up area; Public transport access: PTAL 1b (very poor), TfL 2023, for the 100 m square; National infrastructure project 1367 m away: Teddington Direct River Abstraction (TDRA), at pre-application; Designated open space 44 m away.
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, 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.

Sales history 2

Last sold for £250,000 in December 2009. Terraced house, freehold.

4 December 2009£250,000
11 December 1996£84,950

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

Building

Floor area79 m² (850 sq ft)
Energy ratingD (62 out of 100), could reach C
PropertyMid-terrace 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 June 2009, 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

9 Jun 2026Approved

23 Grasmere Avenue Whitton Hounslow TW3 2JG

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

PA26/1998
3 Nov 2026Pending

2 Grasmere Avenue Whitton Hounslow TW3 2JQ

Single storey rear extension (5.20m dept 2.90 eaves 3.00m overall height)

PA26/3696

Nearby new applications

10 Nov 2026Pending

1 Colonial Avenue Twickenham TW2 7EE

Ground floor single storey rear and side extension

PA26/3813
10 Nov 2026Pending

2 Argyle Road,Hounslow,TW3 2BE

Works to Sycamore tree in rear garden in conservation area. Reduce height by app...

P/2026/3164
3 Nov 2026Pending

2 Grasmere Avenue Whitton Hounslow TW3 2JQ

Single storey rear extension (5.20m dept 2.90 eaves 3.00m overall height)

PA26/3696
2 Nov 2026Pending

Flat Part Ground And First Floor, 52 St Stephens Road, Hounslow, TW3 2BQ

Erection of a single storey outbuilding in the rear garden to be used as an anci...

P/2026/2165
30 Oct 2026Pending

35 Vincam Close Twickenham TW2 7AB

Demolition of existing garage of No.35 Vincam Close to facilitate construction o...

PA26/1291
27 Oct 2026Pending

406 Hanworth Road,Hounslow,TW3 3SN

Erection of a part first floor rear extension.

P/2026/3040

Historical activity at this location

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

Within ~100m

Nearby activity

2025 Approved
43 Grasmere Avenue Whitton Hounslow TW3 2JG
Single storey rear extension.
25/0066/PS192
2024 Refused
43 Grasmere Avenue Whitton Hounslow TW3 2JG
Demolition of existing rear extension and replacement with new.
24/1082/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
2023 Approved
37 Grasmere Avenue Whitton Hounslow TW3 2JG
erection of a single-storey outbuilding in the rear garden.
23/0306/PS192
2022 Approved
34 Grasmere Avenue Whitton Hounslow TW3 2JQ
Rear dormer roof extension and rooflights to front roof.
22/2616/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
51 Grasmere Avenue Whitton Hounslow TW3 2JG
Single storey side extension.
22/1247/HOT
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
50 Grasmere Avenue Whitton Hounslow TW3 2JQ
Single storey rear extension
21/0949/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
2021 Approved
40 Grasmere Avenue Whitton Hounslow TW3 2JQ
Demolition of part extension and rebuild to 6m in depth, 3.2m in height and 2.95m in heig…
21/1221/PDE
2021 Refused
50 Grasmere Avenue Whitton Hounslow TW3 2JQ
Single storey rear extension 4.78m in depth, 3.10m overall height and 3m eaves height
21/0409/PDE
2021 Approved
50 Grasmere Avenue Whitton Hounslow TW3 2JQ
Loft conversion with rear dormer
21/0399/PS192
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
2 Grasmere Avenue Whitton Hounslow TW3 2JQ
2-storey side extension and single storey rear extension.
20/1142/HOT
2016 Approved
28 Grasmere Avenue Whitton Hounslow TW3 2JQ
Enlargement to the rear of existing storage garage, change of roof material, reinstallati…
16/1237/HOT
2016 Refused
57 Grasmere Avenue Whitton Hounslow TW3 2JG
Rear single storey extension with glass canopy and loft conversion comprising rear dormer…
16/2354/HOT
2016 Withdrawn
35 Grasmere Avenue Whitton Hounslow TW3 2JG
Single storey rear extension & double storey side extension.
16/2146/HOT
2016 Refused
35 Grasmere Avenue Whitton Hounslow TW3 2JG
Single storey rear extension & double storey side extension.
16/2145/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
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

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.