Robertson House 1 Christchurch Park Sutton SM2 5TS Data via plota.co.uk

DM2025/01434 - Full Application Approved

Proposal

Erection of a two storey side extension to provide one residential unit, formation of a front entrance lobby with ramped access, landscaping and alterations to fenestrations. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
20 Nov 2025
✓
Validated
4 Dec 2025
✓
Approved
10 Mar 2026

Approved on 10 Mar 2026 · Delegated Decision · Last checked 6 Oct 2026

Documents 29

Consultation & comments 4

PDF Commenter’s name hidden Show Consultee Comment · 8 Jan 2026 View ↗
PDF Commenter’s name hidden Show Consultee Comment · 7 Jan 2026 View ↗
PDF Commenter’s name hidden Show Consultee Comment · 29 Dec 2025 View ↗
PDF Commenter’s name hidden Show Consultee Comment · 23 Dec 2025 View ↗

All documents on the council site ↗

Site constraints 5

Air quality management area: Sutton 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 ↗
Local nature reserve 210 m away: Devonshire Avenue Nature Area
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
Radon affected area, class 2; Inside the Sutton (Sutton) built-up area; Public transport access: PTAL 4 (good), 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 6 October 2026. Historic England, the Environment Agency, Natural England, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI), 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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Important details

Council
Sutton
Application type
Full Application
Postcode
SM2 5TS
Received
20 Nov 2025
Validated
4 Dec 2025
Ward
Sutton South
Case officer
Show
Target decision
29 Jan 2026
Decision
Application Granted
Decision date
10 Mar 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Arkon Associates Ltd

How this decision compares

Decided in 96 days from validation, 40 days slower than Sutton's median of 56 for full applications. Approved, as 67% of full applications here are.

63%decided within 8 weeks
67%approved
145decided in the last year

Plota live figures for full applications decided by Sutton in the last twelve months, from validation. Sutton decision record →

Public comments

No public comments yet.

Last counted 6 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Comments by
14 Jan 2026
Statutory expiry
29 Jan 2026
Env. assessment
No
Sutton
Planning Authority Score
8.2/10
Excellent
#23 of 296 councils
Relevant to this application:
Householder decisions

Sutton is one of the fastest councils in England for householder decisions, ranking #14 out of 296. Only 13% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Householder applications are slightly more likely to be approved here (93%) than the national average (90%).

Among the fastest councils in England
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Sutton decision statistics
Based on MHCLG data, the year to March 2026
90%
Overall approval rate
Above avg (87%) #118 of 296
93%
Householder approved
Above avg (90%) #138 of 296
91%
Decided in 8 weeks
Above avg (63%) #14 of 296
13%
Extended time limit
Below avg (41%) #8 of 296
71%
Minor dwellings approved
85 decided (1-9 homes)
89%
Major dwellings approved
9 decided (10+ homes)
81%
Change of use approved
26 decided
891
Total decisions
93 refused in the year to March 2026

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use