Unit C1 Dolphin Estate Dolphin Road Sunbury On Thames TW16 7HE Data via plota.co.uk

Proposal

External and roof alterations comprising removal of redundant signage and bollards; installation of palisade perimeter fencing and sliding gate; replacement of main entrance doors with a steel fire exit door and rendered blockwork; installation of roof-mounted solar PV panels; and installation of two twin EV charging points Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
3 Aug 2026
✓
Consultation
5 Aug 2026
Decision
Expected by 14 Oct 2026

Under consideration

No decision has been issued yet. Plota predicted a decision around 9 Oct 2026; it is now day 67.

The consultation period closed on 26 Aug 2026.

Site constraints 3

In flood zones plus climate change
Inside the extent flood zones 2 and 3 could reach with climate change: the Central allowance for the 2080s on rivers, the Upper End allowance for sea level rise to 2125. From rivers. Defences are not counted.
The Environment Agency flood map for planning. Councils use it to decide when a flood risk assessment and the sequential test are needed. It is indicative and does not show whether a particular property will flood.
Flood map ↗
Air quality management area: Spelthorne 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 Sunbury-on-Thames built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 6 October 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.

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Important details

Council
Spelthorne
Application type
Full Application
Postcode
TW16 7HE
Received
3 Aug 2026
Validated
3 Aug 2026
Ward
Laleham And Shepperton Green
Parish
Sunbury Common And Ashford Common ED
Case officer
Show
Target decision
14 Oct 2026
Decision level
Delegated Decision
Applicant
Show
Agent
TMD

Decision outlook

Day 67, past the statutory target. 96% of extensions in Spelthorne are decided within thirteen weeks, which runs to 2 Nov 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 7 Oct 2026.

Day 6711 days past the 56-day target
72%decided within 8 weeks
87%approved
353decided in the last year

Plota live figures for extensions decided by Spelthorne in the last twelve months, from validation. Spelthorne decision record →

Public comments

No public comments yet.

12 neighbours consulted · Last counted 7 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15130476
Planning Portal ref
PP-15130476
Neighbours
5 Aug 2026
Consultation
5 Aug 2026
Comments by
26 Aug 2026
Site or press notice
5 Aug 2026
Statutory expiry
28 Sept 2026
Env. assessment
No
Spelthorne
Planning Authority Score
4.9/10
Below average
#155 of 296 councils
Relevant to this application:
Householder decisions

Spelthorne ranks #124 out of 296 councils for householder decision speed. Householder applications are slightly less likely to be approved here (88%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
Spelthorne decision statistics
Based on MHCLG data, the year to March 2026
81%
Overall approval rate
Below avg (87%) #258 of 296
88%
Householder approved
Below avg (90%) #225 of 296
70%
Decided in 8 weeks
Above avg (63%) #124 of 296
35%
Extended time limit
Below avg (41%) #106 of 296
57%
Minor dwellings approved
67 decided (1-9 homes)
57%
Major dwellings approved
7 decided (10+ homes)
46%
Change of use approved
26 decided
634
Total decisions
122 refused in the year to March 2026