22, Powder Mill Lane, Twickenham, TW2 6ED Data via plota.co.uk

PA26/1714 - Section 192 Permitted Development Approved

Proposal

Loft conversion with rear box dormer and juliet balcony doors, and 3 rooflights to front roof slope. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
20 May 2026
✓
Approved
5 Aug 2026

Approved on 5 Aug 2026 · Delegated Decision Team Leader · Last checked 6 Aug 2026

Site constraints 2

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.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 11 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.

Sales history 3

Last sold for £460,000 in June 2019. Terraced house, freehold.

21 June 2019£460,000
1 October 2004£212,000
26 October 2001£162,000

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

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Important details

Application type
Section 192 Permitted Development
Postcode
TW2 6ED
Received
20 May 2026
Validated
20 May 2026
Ward
Heathfield Ward [HTF]
Case officer
Show
Target decision
15 Jul 2026
Decision
Granted Permission
Decision date
5 Aug 2026
Decision level
Delegated Decision Team Leader
Applicant
Show

How this decision compares

Decided in 77 days from validation, 29 days slower than Richmond upon Thames's median of 48 for extensions. Approved, as 86% of extensions here are.

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 →

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

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