18 The Avenue Cheam SM2 7QB Data via plota.co.uk

Pending DM2026/01155

Extensions & alterations

Council

Sutton 8.2/10

Date received

5 Oct 2026

Date validated

5 Oct 2026

Postcode

SM2 7QB

Description

Erection of a single storey rear extension. Data via plota.co.uk

Get alerts nearby Council site ↗

Last checked 8 Oct 2026, 05:24

Decision outlook

Plota predicts a decision around 29 Nov 2026, from Sutton's recent extensions.

Day 4 of the 56-day target. Sutton usually decides extensions by day 55.

prediction

Day 452 days to the 56-day target

90%decided within 8 weeks

88%approved

669decided in the last year

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

Site constraints 4

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 ↗

Also on the record

Radon affected area, class 2; Inside the Sutton (Sutton) built-up area; Public transport access: PTAL 1a (very poor), TfL 2023, for the 100 m square.

Not affected

Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 8 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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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