Postcode record · Sutton
SM3 9UB.
SM3 9UB has 47 known premises and 27 planning records — 13 approved of 24 decided (54.2%). 22 EPC records.
Postcode SM3 9UB · boundary not held, centred on the postcodeApprovedRefusedOther27 exact27 on the map — every match
At a glance · this postcodeSutton profile →
47
Premises
known addresses (UPRNs)
27
Applications
24 decided
54.2%
Approval rate
13 approved · 7 refused
22
EPC records
ratings B 1 · C 2 · D 14 · E 4 · F 1
27
Mapped applications
inside the postcode shape
Postcode unit boundary from Ordnance Survey; premises and applications inside it. Aggregates describe the area, not any single premises.
Property
What is it?
SM3 9UB has 47 known premises and 27 planning records — 13 approved of 24 decided (54.2%). 22 EPC records.
Premises (18 of 47 shown)
Name
Details
UPRN 5870023835
UPRN 5870023836
UPRN 5870023837
UPRN 5870023838
UPRN 5870023839
UPRN 5870023840
UPRN 5870023841
UPRN 5870023842
UPRN 5870023843
UPRN 5870023844
UPRN 5870023835
UPRN 5870023836
UPRN 5870023837
Show all 10 rows
UPRN 5870023838
UPRN 5870023839
UPRN 5870023840
UPRN 5870023841
UPRN 5870023842
UPRN 5870023843
UPRN 5870023844
Planning
What happened?
27 planning applications across the postcode; 13 approved of 24 decided (54.2%). Latest 27 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Retention of change of use from Class C3 (Residential) to Class C4 (Small HMO) to provide 4 rooms.
50 Walton Avenue North Cheam SM3 9UB · premises record
Full Application
Pending Consideration
2025-11-14
Erection of an outbuilding to provide annexed accommodation.
26 Walton Avenue North Cheam SM3 9UB · premises record
Householder Application
Refused
2024-02-20
Prior Approval for a single storey rear extension projecting from the rear of the original house by 3.8m.
12 Walton Avenue North Cheam Sutton SM3 9UB · premises record
PA Householder Rear Extension
Not required
2023-05-10
Conversion of loftspace involving alteration to existing roofline, hip to gable and a dormer to rear with rooflights to front roofslopes.
26 Walton Avenue North Cheam Sutton SM3 9UB · premises record
—
Unknown
2023-04-13
Prior Approval for a single storey rear extension projecting from the rear of the original house by 3.8m.
10 Walton Avenue North Cheam Sutton SM3 9UB · premises record
PA Householder Rear Extension
Not required
2023-03-27
Prior Approval for a single storey rear extension projecting from the rear of the original house by 6m.
50 Walton Avenue North Cheam Sutton SM3 9UB · premises record
PA Householder Rear Extension
Not required
2023-03-07
Conversion of loft space involving alteration to existing roofline, hip to gable and a dormer to rear with rooflights to front roofslope.
50 Walton Avenue North Cheam Sutton SM3 9UB · premises record
Householder Application
Approved
2023-02-27
Erection of a single storey rear extension, conversion of loft space involving alterations to existing roofline, hip to gable with a dormer extension at rear, a window to flank roofslope and rooflights to front roofslope.
50 Walton Avenue North Cheam Sutton SM3 9UB · premises record
Householder Application
Refused
2023-01-09
Conversion of loft space involving alterations to existing roofline, a dormer extension at rear, a window to flank roofslope and rooflights to front roofslope.
18 Walton Avenue North Cheam Sutton SM3 9UB · premises record
Certificate of Proposed Use
Approved
2022-11-02
Erection of a single storey rear extension and front porch.
10 Walton Avenue North Cheam Sutton SM3 9UB · premises record
Certificate of Proposed Use
Approved
2022-07-13
Retention of change of use from Class C3 (Residential) to Class C4 (Small HMO) to provide 4 rooms.
50 Walton Avenue North Cheam SM3 9UB · premises record
Pending Consideration
2025-11-14
More
Full Application
Erection of an outbuilding to provide annexed accommodation.
26 Walton Avenue North Cheam SM3 9UB · premises record
Refused
2024-02-20
More
Householder Application
Prior Approval for a single storey rear extension projecting from the rear of the original house by 3.8m.
12 Walton Avenue North Cheam Sutton SM3 9UB · premises record
Not required
2023-05-10
More
PA Householder Rear Extension
Show all 10 rows
Conversion of loftspace involving alteration to existing roofline, hip to gable and a dormer to rear with rooflights to front roofslopes.
26 Walton Avenue North Cheam Sutton SM3 9UB · premises record
Unknown
2023-04-13
More
—
Prior Approval for a single storey rear extension projecting from the rear of the original house by 3.8m.
10 Walton Avenue North Cheam Sutton SM3 9UB · premises record
Not required
2023-03-27
More
PA Householder Rear Extension
Prior Approval for a single storey rear extension projecting from the rear of the original house by 6m.
50 Walton Avenue North Cheam Sutton SM3 9UB · premises record
Not required
2023-03-07
More
PA Householder Rear Extension
Conversion of loft space involving alteration to existing roofline, hip to gable and a dormer to rear with rooflights to front roofslope.
50 Walton Avenue North Cheam Sutton SM3 9UB · premises record
Approved
2023-02-27
More
Householder Application
Erection of a single storey rear extension, conversion of loft space involving alterations to existing roofline, hip to gable with a dormer extension at rear, a window to flank roofslope and rooflights to front roofslope.
50 Walton Avenue North Cheam Sutton SM3 9UB · premises record
Refused
2023-01-09
More
Householder Application
Conversion of loft space involving alterations to existing roofline, a dormer extension at rear, a window to flank roofslope and rooflights to front roofslope.
18 Walton Avenue North Cheam Sutton SM3 9UB · premises record
Approved
2022-11-02
More
Certificate of Proposed Use
Erection of a single storey rear extension and front porch.
10 Walton Avenue North Cheam Sutton SM3 9UB · premises record
Approved
2022-07-13
More
Certificate of Proposed Use
Building control
Building-control records are not yet collected for Sutton — the register is being gathered borough by borough (held so far: Lambeth, Brent, Ealing, Westminster, City and others).
Place
What affects it?
No mapped designation intersects a premises point in this postcode in the current build. Open any premises above for its own designation record.
Nearby postcodes and streets
Walk to the next area — linked where the Atlas has a record for it (pilot borough only for now).
People
Who is involved?
Named on the latest 27 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 3 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 3 applications
Applicant on 2 applications
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Development
What could it become?
Planning precedent27 applications and 27 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy22 EPC records; ratings B: 1, C: 2, D: 14, E: 4, F: 1.
What is not assertedNo capacity, value or ownership claim is made at area level; those belong to individual premises records and their evidence.
Intent signals
Planning Atlas ProOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
Thinking about a project here?
How long would a planning application take here? →
Sutton's real decision times and approval rates, measured from the record — not the statutory target.
Why do applications around here get refused? →
The most common refusal grounds in Sutton, by year and scheme type — the risks to know before applying.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.