8 Somerton Avenue Richmond TW9 4QP Data via plota.co.uk

PA26/1733 - Section 192 Permitted Development Approved
Extensions & alterations

Proposal

Erection of a rear dormer extension. Data via plota.co.uk

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View original council record ↗

Application progress

✓
Received
18 May 2026
✓
Approved
24 Jun 2026

Approved on 24 Jun 2026 · Delegated Decision · Last checked 12 Jul 2026

Documents

View the documents on the council's website ↗

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Important details

Council
Richmond upon Thames
Application type
Section 192 Permitted Development
Postcode
TW9 4QP
Received
18 May 2026
Validated
18 May 2026
Ward
North Richmond Ward [NRR]
Case officer
Show
Target decision
13 Jul 2026
Decision
Granted Permission
Decision date
24 Jun 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Design Team

Consultation & key dates

Alt. reference
PP-14937103

Historical activity at this location

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

This property

Previous applications at this address

2018 Approved
Single storey rear extension (3.5m depth, 3m eaves height, 4m overall height)
18/3573/PDE
Within ~100m

Nearby activity

2025 Approved
74 Kingsway Mortlake London SW14 7HW
Proposed ground floor single storey rear extension following the demolition of the existi…
PA25/1603
2025 Refused
74 Kingsway Mortlake London SW14 7HW
Erection of a ground floor single storey rear extension following the demolition of the e…
PA25/0912
2024 Approved
Garages Rear Of 129 To 147 Kingsway Mortlake London SW14 7HN
Details pursuant to condition DV42 Details of foundations - piling etc, of planning permi…
23/0440/DD01
2023 Approved
39 Shalstone Road Mortlake London SW14 7HP
Loft conversion facilitated by rear dormer and insertion of rooflights to front elevation
23/3172/PS192
2023 Approved
39 Shalstone Road Mortlake London SW14 7HP
Single storey rear extension (6.00m depth, 3.00m eaves height, 3.67m overall height)
23/3182/PDE
2023 Approved
77 Kingsway Mortlake London SW14 7HN
Rear dormer and 2 rooflights to front roof slope
23/0131/FUL
2021 Approved
88 Kingsway Mortlake London SW14 7HW
Proposed single storey rear extension and lowering of existing floor and raised patio to…
21/3720/HOT
2021 Approved
133 Kingsway Mortlake London SW14 7HN
Rear dormer roof extension, 3x rooflights and outbuilding in the rear garden (to be used…
21/3090/PS192
2021 Withdrawn
88 Kingsway Mortlake London SW14 7HW
Proposed single storey rear extension and raised patio to rear
21/2187/HOT
2019 Approved
Land Rear Of 127 - 147 Kingsway Mortlake London SW14 7HN
Demolition of 38 garages including vehicle repair garage and the erection of six resident…
19/0691/FUL
2019 Approved
35 Shalstone Road Mortlake London SW14 7HP
Rear dormer roof extension and 3 no. rooflights on front roof slope.
19/3395/PS192
2019 Approved
109 Kingsway Mortlake London SW14 7HN
Replacement of existing windows and additional window to rear elevation of first floor fl…
19/2574/FUL
2019 Approved
27 Shalstone Road Mortlake London SW14 7HP
Rear dormer roof extension on main roof slope and roof to outrigger. 3 no. rooflights on…
19/2659/PS192
2018 Approved
62 Kingsway Mortlake London SW14 7HW
Construction of single-storey garden room in the rear garden for recreational use
18/2448/PS192
2016 Refused
Land Rear Of 127 - 147 Kingsway Mortlake London
Demolition of 38 garages including vehicle repair garage and the erection of six resident…
16/1507/FUL
2018 Approved
135 Kingsway Mortlake London SW14 7HN
Single storey rear extension, rear dormer roof extension. Rooflights to front elevation
18/0969/HOT
2018 Approved
68 Kingsway Mortlake London SW14 7HW
Single-storey rear extension and external decking to the rear.
18/0541/HOT
2018 Approved
145 Kingsway Mortlake London SW14 7HN
Rear dormer roof extension, rooflights to front elevation. Single storey rear extension
18/0309/PS192
2017 Approved
92 Kingsway Mortlake London SW14 7HW
Demolition of existing side and rear extensions and erection of single-storey rear and re…
17/4457/HOT
2017 Approved
92 Kingsway Mortlake London SW14 7HW
Construction of L-shaped rear dormer roof extensions with rooflights to the front roof sl…
17/4253/HOT
2017 Approved
99 Kingsway Mortlake London SW14 7HN
Rear dormer and rooflights to front roofslope.
17/1511/FUL
2016 Approved
76 Kingsway Mortlake London SW14 7HW
Single storey rear extension, installation of 1 no. window to side elevation at ground fl…
16/4774/HOT
2016 Approved
86 Kingsway Mortlake London SW14 7HW
Proposed roof extensions to main roof and roof of the rear extension to provide 2 bedroom…
16/4391/PS192
2016 Approved
129 Kingsway Mortlake London SW14 7HN
Loft conversion incorporating a rear dormer roof extension and 2 no. rooflights to front…
16/4150/PS192
2016 Approved
103 Kingsway Mortlake London SW14 7HN
Single storey rear and side return extension
16/1842/FUL
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 performance
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