Planning Atlas
AtlasPostcodeSW209DB
Dev
Session
Tier
Planning Atlas›Merton›…Cannon Hill ward›SW20 9DB
Postcode record · Merton

SW20 9DB.

SW20 9DB has 83 known premises and 44 planning records — 36 approved of 44 decided (81.8%). 23 EPC records.

Merton›Cannon Hill›SW20 9DB
Postcode SW20 9DB · boundary not held, centred on the postcodeApprovedRefusedOther43 on the map — every match
At a glance · this postcodeMerton profile →
83
Premises
known addresses (UPRNs)
44
Applications
44 decided
81.8%
Approval rate
36 approved · 3 refused
23
EPC records
ratings C 2 · D 13 · E 8
43
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?

SW20 9DB has 83 known premises and 44 planning records — 36 approved of 44 decided (81.8%). 23 EPC records.

Premises (18 of 83 shown)

Name
Details
UPRN 48011927
UPRN 48011929
UPRN 48011948
UPRN 48011949
UPRN 48011951
UPRN 48011953
UPRN 48011955
UPRN 48011957
UPRN 48011959
UPRN 48011962
UPRN 48011927
UPRN 48011929
UPRN 48011948
Show all 10 rows
UPRN 48011949
UPRN 48011951
UPRN 48011953
UPRN 48011955
UPRN 48011957
UPRN 48011959
UPRN 48011962
Planning

What happened?

44 planning applications across the postcode; 36 approved of 44 decided (81.8%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION WITH A DEPTH OF 4.50M, MAXIMUM HEIGHT OF 3.30M AND EAVES HEIGHT OF 3M.
233 Cannon Hill Lane, Raynes Park, Merton, SW20 9DB · premises record
Prior Approval - Larger Home Extension (6-8m) - Sch 2, Class A, Part 1
Not required
2025-10-13
APPLICATION FOR THE ERECTION OF A SINGLE STOREY REAR EXTENSION.
279 Cannon Hill Lane, Raynes Park, Merton, SW20 9DB · premises record
Applicant Mr and Mrs Hill · Agent Mark Hallett · Officer Rebecca Martin-Fraser
Full Planning Permission
Approved
2025-10-10
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A HIP TO GABLE, REAR DORMER ROOF EXTENSION AND INSTALLATION OF FOUR ROOFLIGHTS TO THE FRONT ROOFSLOPE.
279 Cannon Hill Lane, Raynes Park, Merton, SW20 9DB · premises record
Applicant Mr and Mrs Hill · Agent Mark Hallett · Officer Rebecca Martin-Fraser
Lawful Development Certificate - Proposed - Section 192
Approved
2025-09-24
APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION WITH A DEPTH OF 4.5M, MAXIMUM HEIGHT OF 3M AND EAVES HEIGHT OF 2.8M.
233 Cannon Hill Lane, Raynes Park, Merton, SW20 9DB · premises record
Prior Approval - Larger Home Extension (6-8m) - Sch 2, Class A, Part 1
Refused
2025-09-04
APPLICATION FOR DEMOLITION OF EXISTING SINGLE STOREY REAR EXTENSION AND ERECTION OF A REPLACEMENT FULL WIDTH SINGLE STOREY REAR EXTENSION. ERECTION OF A HIP TO GABLE, REAR DORMER ROOF EXTENSION, AND THE ADDITION OF 4 x ROOFLIGHTS TO THE FRONT ROOF SLOPE. ENLARGEMENT OF 1 x GROUND FLOOR SIDE FACING W
287 Cannon Hill Lane, Raynes Park, Merton, SW20 9DB · premises record
Full Planning Permission
Approved
2025-07-21
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF HIP TO GABLE AND REAR DORMER ROOF EXTENSION AND INSTALLATION OF THREE ROOFLIGHTS ON THE FRONT ROOFSLOPE
235 Cannon Hill Lane, Raynes Park, Merton, SW20 9DB · premises record
Lawful Development Certificate - Proposed - Section 192
Approved
2024-03-26
ERECTION OF A SINGLE STOREY REAR EXTENSION.
237 Cannon Hill Lane, Raynes Park, Merton, SW20 9DB · premises record
Applicant Mr D Wilkinson · Agent Go Plans · Officer Lan Pham
Full Planning Permission
Approved
2023-09-13
APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION WITH THE FOLLOWING DIMENSIONS: EXTENDS BEYOND THE REAR WALL OF THE ORIGINAL DWELLINGHOUSE BY 4 M. THE MAXIMUM HEIGHT OF THE ENLARGED PART OF THE DWELLINGHOUSE WILL BE 3.79 M. THE HEIGHT OF THE EAVES
293 Cannon Hill Lane, Raynes Park, Merton, SW20 9DB · premises record
Prior Approval - Larger Home Extension (6-8m) - Sch 2, Class A, Part 1
Approved
2022-04-27
ERECTION OF A SINGLE STOREY REAR EXTENSION
223 Cannon Hill Lane, Raynes Park, Merton, SW20 9DB · premises record
Full Planning Permission
Approved
2021-01-06
ERECTION OF A SINGLE STOREY REAR EXTENSION AND HIP TO GABLE & REAR ROOF EXTENSION.
273 Cannon Hill Lane, Raynes Park, Merton, SW20 9DB · premises record
Applicant Thomas Finch · Officer Historic Officer
Full Planning Permission
Approved
2018-08-17
APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION WITH A DEPTH OF 4.50M, MAXIMUM HEIGHT OF 3.30M AND EAVES HEIGHT OF 3M.
233 Cannon Hill Lane, Raynes Park, Merton, SW20 9DB · premises record
Not required
2025-10-13
More
Prior Approval - Larger Home Extension (6-8m) - Sch 2, Class A, Part 1
APPLICATION FOR THE ERECTION OF A SINGLE STOREY REAR EXTENSION.
279 Cannon Hill Lane, Raynes Park, Merton, SW20 9DB · premises record
Applicant Mr and Mrs Hill · Agent Mark Hallett · Officer Rebecca Martin-Fraser
Approved
2025-10-10
More
Full Planning Permission
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A HIP TO GABLE, REAR DORMER ROOF EXTENSION AND INSTALLATION OF FOUR ROOFLIGHTS TO THE FRONT ROOFSLOPE.
279 Cannon Hill Lane, Raynes Park, Merton, SW20 9DB · premises record
Applicant Mr and Mrs Hill · Agent Mark Hallett · Officer Rebecca Martin-Fraser
Approved
2025-09-24
More
Lawful Development Certificate - Proposed - Section 192
Show all 10 rows
APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION WITH A DEPTH OF 4.5M, MAXIMUM HEIGHT OF 3M AND EAVES HEIGHT OF 2.8M.
233 Cannon Hill Lane, Raynes Park, Merton, SW20 9DB · premises record
Refused
2025-09-04
More
Prior Approval - Larger Home Extension (6-8m) - Sch 2, Class A, Part 1
APPLICATION FOR DEMOLITION OF EXISTING SINGLE STOREY REAR EXTENSION AND ERECTION OF A REPLACEMENT FULL WIDTH SINGLE STOREY REAR EXTENSION. ERECTION OF A HIP TO GABLE, REAR DORMER ROOF EXTENSION, AND THE ADDITION OF 4 x ROOFLIGHTS TO THE FRONT ROOF SLOPE. ENLARGEMENT OF 1 x GROUND FLOOR SIDE FACING W
287 Cannon Hill Lane, Raynes Park, Merton, SW20 9DB · premises record
Approved
2025-07-21
More
Full Planning Permission
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF HIP TO GABLE AND REAR DORMER ROOF EXTENSION AND INSTALLATION OF THREE ROOFLIGHTS ON THE FRONT ROOFSLOPE
235 Cannon Hill Lane, Raynes Park, Merton, SW20 9DB · premises record
Approved
2024-03-26
More
Lawful Development Certificate - Proposed - Section 192
ERECTION OF A SINGLE STOREY REAR EXTENSION.
237 Cannon Hill Lane, Raynes Park, Merton, SW20 9DB · premises record
Applicant Mr D Wilkinson · Agent Go Plans · Officer Lan Pham
Approved
2023-09-13
More
Full Planning Permission
APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION WITH THE FOLLOWING DIMENSIONS: EXTENDS BEYOND THE REAR WALL OF THE ORIGINAL DWELLINGHOUSE BY 4 M. THE MAXIMUM HEIGHT OF THE ENLARGED PART OF THE DWELLINGHOUSE WILL BE 3.79 M. THE HEIGHT OF THE EAVES
293 Cannon Hill Lane, Raynes Park, Merton, SW20 9DB · premises record
Approved
2022-04-27
More
Prior Approval - Larger Home Extension (6-8m) - Sch 2, Class A, Part 1
ERECTION OF A SINGLE STOREY REAR EXTENSION
223 Cannon Hill Lane, Raynes Park, Merton, SW20 9DB · premises record
Approved
2021-01-06
More
Full Planning Permission
ERECTION OF A SINGLE STOREY REAR EXTENSION AND HIP TO GABLE & REAR ROOF EXTENSION.
273 Cannon Hill Lane, Raynes Park, Merton, SW20 9DB · premises record
Applicant Thomas Finch · Officer Historic Officer
Approved
2018-08-17
More
Full Planning Permission

Building control

Building-control records are not yet collected for Merton — the register is being gathered borough by borough (held so far: Lambeth, Brent, Ealing, Westminster, City and others).

Place

What affects it?

Designations are shown per premises today (open any premises above); the postcode-level designation summary is built with the borough entity run. Use the map's designations filter to see them over the postcode now.

People

Who is involved?

Named on the latest 30 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Applicant on 2 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 2 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 2 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
Applicant on 2 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
Development

What could it become?

Planning precedent44 applications and 43 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy23 EPC records; ratings C: 2, D: 13, E: 8.
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 Pro

Ownership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.

6 intent signals recorded in this postcode
Long hold · Ageing director
Subscribe to see the signals →
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.