1 Colonial Avenue Twickenham TW2 7EE Data via plota.co.uk

PA26/3436 - Householder Application Registered
Extensions & alterations

Proposal

Ground floor rear extension, rear dormer loft extension. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
7 Oct 2026
✓
Validated
12 Oct 2026
Decision
Expected by 2 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 24 Nov 2026 and 2 Dec 2026, from Richmond upon Thames's recent extensions.

Documents

View the documents on the council's website ↗

Site constraints 4

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
National infrastructure project 833 m away: Teddington Direct River Abstraction (TDRA), 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 13 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.

Sales history 1

Last sold for £560,000 in March 2025. Terraced house, freehold.

28 March 2025£560,000

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

Building

Floor area94 m² (1,012 sq ft)
Energy ratingD (63 out of 100), could reach B
PropertySemi-detached house, 5 habitable rooms
Built1900 to 1929
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in January 2025, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Richmond upon Thames
Application type
Householder Application
Postcode
TW2 7EE
Received
7 Oct 2026
Validated
12 Oct 2026
Ward
Whitton Ward [WTT]
Case officer
Show
Target decision
2 Dec 2026
Applicant
Show
Agent
Tanya Hudson Architecture and Interior Design

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
1,289decided 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-15278243
Statutory expiry
2 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 Refused
177, Kneller Road, Twickenham
Proposed loft conversion with rear dormer and rooflight on the front roof slope to top fl…
PA25/1579
2025
176 Kneller Road Twickenham TW2 7DX
16m2 garden building, the building will be made of timber with a rubber roof to rear of g…
PA25/1103
2025 Approved
St Philip And St James Vicarage 205 Kneller Road Twickenham TW2 7DY
G1 lime x3 - Reduce back to previous points of reduction leaving trees at a height of app…
25/T0021/TPO
2023 Approved
19 Colonial Avenue Twickenham TW2 7EE
Single storey side / rear extension.
23/3269/HOT
2022 Approved
St Philip And St James Vicarage 205 Kneller Road Twickenham TW2 7DY
Lime - Reduce the entire tree down to 4.5m from ground level to maintain some screening t…
22/T0720/TPO
2022 Approved
3 Colonial Avenue Twickenham TW2 7EE
Single storey rear extension
22/1612/HOT
2022 Decided
St Philip And St James Vicarage 205 Kneller Road Twickenham TW2 7DY
Please see attached tree work specifications T1, T2, T3, T5, T11, T12, T13, & T14 - Maint…
22/T0504/TPO
2022 Approved
The Vicarage 205 Kneller Road Twickenham
5 DAY DANGEROUS TREE NOTICE Lime - Reduce entire tree down by 4.5m from ground level
22/0556/TCAVOI
2022 Approved
Murray Park Hall Kneller Road Twickenham TW2 7DX
Installation of new air source heat pumps located externally at ground level with weld me…
22/0950/FUL
2022 Approved
St Philip And St James Vicarage 205 Kneller Road Twickenham TW2 7DY
T1b - Lime (Tilia x europa) 30% Crown Reduction - Reducing the height and spread of the t…
22/T0119/TPO
2022 Refused
3 Colonial Avenue Twickenham TW2 7EE
Single storey rear extension (4.40m depth, 2.90 m eaves height, 3.10m overall height)
22/1174/PDE
2021 Approved
31 Colonial Avenue Twickenham TW2 7EE
This proposal is for a rear ground floor infill extension, corridor and garden room.
21/2831/HOT
2021 Approved
15 Colonial Avenue Twickenham TW2 7EE
Proposed ground floor rear extension, floor plan redesign and all associated works
21/3109/HOT
2021 Approved
31 Colonial Avenue Twickenham TW2 7EE
Erection of a rear garden leisure room structure, plus rear & side extensions.
21/1704/PS192
2021 Approved
29 Colonial Avenue Twickenham TW2 7EE
Construction of a single storey rear/ side extension.
21/1653/HOT
2020 Approved
182 Kneller Road Twickenham TW2 7DX
Alterations to flank boundary together with associated demolition of existing structures…
20/2681/HOT
2020 Approved
182 Kneller Road Twickenham TW2 7DX
Install dropped kerb to front of house
20/1610/HOT
2020 Approved
23 Colonial Avenue Twickenham TW2 7EE
Construction of a single storey rear/side extension.
20/1909/HOT
2020 Refused
29 Colonial Avenue Twickenham TW2 7EE
SINGLE STOREY REAR EXTENSION TO DWELLING HOUSE.
20/1590/HOT
2019 Approved
Land Off Colonial Avenue Twickenham
Rebuilding storage facility.
19/3285/FUL
2016 Approved
179 Kneller Road Twickenham TW2 7DY
Proposed single storey rear extension (3.655m in depth, 2.3m to the eaves and 3.530m over…
16/3388/PDE
2016 Approved
191 Kneller Road Twickenham TW2 7DY
Details pursuant to conditions LT09 (Hard and Soft Landscaping) and U87680 (Construction…
15/1979/DD02
2016 Approved
19 Colonial Avenue Twickenham TW2 7EE
Proposed 'L-Shaped' loft conversion and insertion of Velux windows to the front elevation.
16/1764/PS192
2016 Approved
185A Kneller Road Twickenham TW2 7DY
Proposed loft conversion with 2 No.rear dormer roof extensions and insertion of 2 No.roof…
16/0188/HOT
2016 Approved
28 Colonial Avenue Twickenham TW2 7ED
Proposed hip to gable roof extension with rear dormer and insertion of 1 No.rooflight to…
16/0527/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.