20, Pembridge Avenue, Twickenham, TW2 6AE Data via plota.co.uk

PA26/3743 - Householder Application Registered
Extensions & alterations

Proposal

First-floor side extension, single storey rear extension, front porch and associ Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
21 Oct 2026
✓
Validated
3 Nov 2026
Decision
Expected by 29 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 17 Dec 2026 and 25 Dec 2026, from Richmond upon Thames's recent extensions.

Documents

View the documents on the council's website ↗

Site constraints 6

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 ↗
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Local nature reserve 252 m away: Pevensey Road
Work nearby can need a habitats assessment.
Harm to a protected site is only accepted where there is no alternative and an overriding public interest.
Also on the record
National infrastructure project 679 m away: Expansion of Heathrow Airport (Third Runway), at pre-application; Inside the Richmond upon Thames built-up area; Public transport access: PTAL 2 (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 4 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.

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Other new applications on this street

24 Jun 2026Approved

24 Pembridge Avenue Twickenham TW2 6AE

Single storey front and rear extensions. Conversion of garage to habitable room.

PA26/2231

Nearby new applications

6 Nov 2026Pending

193 Powder Mill Lane Twickenham TW2 6EQ

Upward extension to create an additional floor to bungalow

PA26/3768
29 Oct 2026Pending

29, Albemarle Avenue, Twickenham, TW2 6AJ

Non material amendment to planning reference PA26/0676 to allow for PROPOSED REA...

PA26/3708
23 Oct 2026Pending

1 Bristol Close Whitton Hounslow TW4 5JE

Erection of a two-storey side and rear infill extension, with associated roof al...

PA26/3569
5 Oct 2026Pending

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

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

PA26/3375
29 Sept 2026Pending

56-58 Harvey Road Whitton TW4 5LU

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

PA26/3326
22 Sept 2026Pending

17 Saxon Avenue,Feltham,TW13 5JJ

Erection of a first floor rear extension.

P/2026/2674

Important details

Council
Richmond upon Thames
Application type
Householder Application
Postcode
TW2 6AE
Received
21 Oct 2026
Validated
3 Nov 2026
Ward
Heathfield Ward [HTF]
Case officer
Show
Target decision
29 Dec 2026
Applicant
Show
Agent
Show

Decision outlook

Day 8 of the 56-day target. Richmond upon Thames usually decides extensions by day 49.

Day 848 days to the 56-day target
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 →

Consultation & key dates

Alt. reference
PLP-00010330
Statutory expiry
24 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
No. 9 Pembridge Avenue Twickenham
Loft Conversion involving the erection of a Hip to Gable roof extension incorporating a r…
PA25/0796
2025 Approved
No. 9 Pembridge Avenue Twickenham
Single Storey Side/Rear wraparound extension and Demolish Existing Detached Shed.
PA25/0323
2024 Refused
19 Chester Avenue Twickenham TW2 6AG
Proposed part hip to gable end with a rear roof dormer, and front velux roof lights
24/1710/HOT
2024 Approved
743 Hanworth Road Whitton Hounslow TW4 5PR
Loft extension with construction of Hip to gable roof and rear dormer along with installa…
24/1282/PS192
2024 Approved
741 Hanworth Road Whitton Hounslow TW4 5PR
Single storey rear extension (6.00m depth,2.90 m eaves height, 2.90m overall height)
24/1213/PDE
2022 Approved
743 Hanworth Road Whitton Hounslow TW4 5PR
Single storey rear extension (6.00m depth, 3.00m eaves height, 3.20m overall height).
22/3444/PDE
2022 Approved
743 Hanworth Road Whitton Hounslow TW4 5PR
Construction of an Outbuilding
22/2900/PS192
2022 Approved
31 Pembridge Avenue Twickenham TW2 6AE
Conversion of existing garage to create and office, and replacement of the existing garag…
22/1146/HOT
2021 Approved
26 Chester Avenue Twickenham TW2 6AG
PROPOSED HIPPED TO GABLE, REAR DORMER, 3X ROOF LIGHTS TO FRONT ELEVATION AND LOFT CONVERS…
21/1212/PS192
2019 Approved
2 Pembridge Avenue Twickenham TW2 6AE
Hip to gable loft conversion, with rear dormer and three rooflights.
19/2705/HOT
2019 Approved
2 Pembridge Avenue Twickenham TW2 6AE
Demolition of rear extension and lean-to side extension. Erection of a single-storey rear…
19/2704/HOT
2018 Approved
740 Hanworth Road Whitton Hounslow TW4 5NT
Erection of outbuilding as an ancillary to the use of the existing dwellinghouse.
18/2223/PS192
2018 Approved
726 Hanworth Road Whitton Hounslow TW4 5NT
Demolition of the existing attached garage and erection of single storey side/rear extens…
18/1582/HOT
2018 Approved
738 Hanworth Road Whitton Hounslow TW4 5NT
Details pursuant to conditions U26557 - Boundary Fencing, DV17A - Dustbin Enclosure Requi…
16/3247/DD01
2016 Approved
738 Hanworth Road Whitton Hounslow TW4 5NT
Demolition of the existing detached bungalow, garage, shed and greenhouse to allow for co…
16/3247/FUL
2017 Approved
12 Pembridge Avenue Twickenham TW2 6AE
Hip to gable and rear dormer roof extension and insertion of 5no. rooflights on the front…
17/0951/PS192
2016 Approved
18 Pembridge Avenue Twickenham TW2 6AE
Proposed single storey rear extension (4.5m in depth, 3m to the eaves and 3.25m overall h…
16/4172/PDE
2016 Approved
18 Pembridge Avenue Twickenham TW2 6AE
Single storey rear extension.
16/2444/HOT
2016 Refused
18 Pembridge Avenue Twickenham TW2 6AE
Proposed single storey rear extension (4.5m in depth, 3m to the eaves and 3.25m overall h…
16/2526/PDE
2016 Approved
36 Pembridge Avenue Twickenham TW2 6AE
Single storey rear extension.
16/1680/PS192
2016 Approved
36 Pembridge Avenue Twickenham TW2 6AE
Hip to gable loft conversion with rear dormer & three rooflights.
16/1678/PS192
2016 Approved
740 Hanworth Road Whitton Hounslow TW4 5NT
Proposed loft conversion with 'L-Shape' rear dormer.
16/0420/PS192
2018 Approved
738 Hanworth Road Whitton Hounslow TW4 5NT
Application to modify a section 106 Planning Obligation Town and Country Planning Act 199…
18/3814/S106
2018 Refused
738 Hanworth Road Whitton Hounslow TW4 5NT
a minor Variation of condition U26555 - Approved Drawings of Planning Permission 16/3247/…
18/3344/VRC
2018 Approved
738 Hanworth Road Whitton Hounslow TW4 5NT
Variation of condition U26555 - Approved Drawings of Planning Permission 16/3247/FUL for…
18/1559/VRC
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