Postcode record · Merton
SW20 9HA.
SW20 9HA has 55 known premises and 28 planning records — 15 approved of 27 decided (55.6%). 22 EPC records.
Postcode SW20 9HA · boundary not held, centred on the postcodeApprovedRefusedOther26 on the map — every match
At a glance · this postcodeMerton profile →
55
Premises
known addresses (UPRNs)
28
Applications
27 decided
55.6%
Approval rate
15 approved · 6 refused
56 days
Median decision time
average 76 days · 23 dated decisions
22
EPC records
ratings C 8 · D 8 · E 6
26
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 9HA has 55 known premises and 28 planning records — 15 approved of 27 decided (55.6%). 22 EPC records.
Premises (18 of 55 shown)
Name
Details
UPRN 48011701
UPRN 48011702
UPRN 48011703
UPRN 48011704
UPRN 48011705
UPRN 48011706
UPRN 48011707
UPRN 48011709
UPRN 48011710
UPRN 48011701
UPRN 48011702
UPRN 48011703
Show all 10 rows
UPRN 48011704
UPRN 48011705
UPRN 48011706
UPRN 48011707
UPRN 48011709
UPRN 48011710
Planning
What happened?
28 planning applications across the postcode; 15 approved of 27 decided (55.6%). Latest 28 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
ERECTION OF A HIP TO GABLE ROOF EXTENSION AND REAR MANSARD ROOF EXTENSION WITH DORMER WINDOWS, TWO STOREY REAR AND SIDE EXTENSION, SINGLE STOREY REAR AND SIDE AND ALTERATION OF FRONT BAY WINDOW
8 Cannon Close, Raynes Park, Merton, SW20 9HA · premises record
Officer Sarah Muckian
Householder
Pending Consideration
2026-04-17
APPLICATION FOR THE RETENTION OF THE EXISTING FLAT ROOF SINGLE STOREY REAR EXTENSION TO THE REAR OF THE PROPERTY.
17 Cannon Close, Raynes Park, Merton, SW20 9HA · premises record
Officer Leigh Harrington
Full Planning Permission
Approved
2025-08-07
APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION WITH A DEPTH OF 3M, MAXIMUM HEIGHT OF 3M AND EAVES HEIGHT OF 2.9M.
13 Cannon Close, Raynes Park, Merton, SW20 9HA · premises record
Officer Lan Pham
Prior Approval - Larger Home Extension (6-8m) - Sch 2, Class A, Part 1
Not required
2025-06-16
APPLICATION FOR RETENTION OF HIP TO GABLE AND REAR DORMER ROOF EXTENSION AND ALTERATIONS TO FRONT AND REAR EAVES.
14 Cannon Close, Raynes Park, Merton, SW20 9HA · premises record
Officer Martin Miranda Antelo
Full Planning Permission
Refused
2025-04-03
APPLICATION FOR NON-MATERIAL AMENDMENTS TO APPLICATION 24/P3063, APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF HIP TO GABLE, REAR DORMER ROOF EXTENSION AND INSTALLATION OF FOUR ROOFLIGHTS TO THE FRONT ROOF SLOPE. NON MATERIAL AMENDMENTS RELATE TO THE ALTERAT
14 Cannon Close, Raynes Park, Merton, SW20 9HA · premises record
Officer Martin Miranda Antelo
Non-Material Amendment - Section 96A
Withdrawn
2025-03-07
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF HIP TO GABLE, REAR DORMER ROOF EXTENSION AND INSTALLATION OF FOUR ROOFLIGHTS TO THE FRONT ROOF SLOPE.
14 Cannon Close, Raynes Park, Merton, SW20 9HA · premises record
Officer Martin Miranda Antelo
Lawful Development Certificate - Proposed - Section 192
Approved
2024-10-29
APPLICATION TO DETERMINE WHETHER PRIOR APPROVAL IS REQUIRED, IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION WITH A DEPTH OF 6M, MAXIMUM HEIGHT OF 4M AND EAVES HEIGHT OF 2.9M
14 Cannon Close, Raynes Park, Merton, SW20 9HA · premises record
Officer Martin Miranda Antelo
Prior Approval - Larger Home Extension (6-8m) - Sch 2, Class A, Part 1
Not required
2024-07-29
APPLICATION TO DETERMINE WHETHER PRIOR APPROVAL IS REQUIRED, IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION WITH A DEPTH OF 6M, MAXIMUM HEIGHT OF 4M AND EAVES HEIGHT OF 2.9M
14 Cannon Close, Raynes Park, Merton, SW20 9HA · premises record
Officer Martin Miranda Antelo
Prior Approval - Larger Home Extension (6-8m) - Sch 2, Class A, Part 1
Refused
2024-06-26
APPLICATION FOR NON-MATERIAL AMENDMENTS TO APPLICATION 20/P0822, ERECTION OF A SINGLE STOREY REAR EXTENSION AND LOFT CONVERSION INVOLVING ERECTION OF A REAR DORMER AND INSERTION OF 3X ROOFLIGHTS ON FRONT ROOFSLOPE. NON MATERIAL AMENDMENTS RELATE TO THE PROVISION OF A FLAT ROOF WITH A PITCHED GLAZED
17 Cannon Close, Raynes Park, Merton, SW20 9HA · premises record
Officer Leigh Harrington
Non-Material Amendment - Section 96A
Withdrawn
2024-05-14
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION
4 Cannon Close, Raynes Park, Merton, SW20 9HA · premises record
Officer Rebecca Martin-Fraser
Lawful Development Certificate - Proposed - Section 192
Approved
2023-02-02
ERECTION OF A HIP TO GABLE ROOF EXTENSION AND REAR MANSARD ROOF EXTENSION WITH DORMER WINDOWS, TWO STOREY REAR AND SIDE EXTENSION, SINGLE STOREY REAR AND SIDE AND ALTERATION OF FRONT BAY WINDOW
8 Cannon Close, Raynes Park, Merton, SW20 9HA · premises record
Officer Sarah Muckian
Pending Consideration
2026-04-17
More
Householder
APPLICATION FOR THE RETENTION OF THE EXISTING FLAT ROOF SINGLE STOREY REAR EXTENSION TO THE REAR OF THE PROPERTY.
17 Cannon Close, Raynes Park, Merton, SW20 9HA · premises record
Officer Leigh Harrington
Approved
2025-08-07
More
Full Planning Permission
APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION WITH A DEPTH OF 3M, MAXIMUM HEIGHT OF 3M AND EAVES HEIGHT OF 2.9M.
13 Cannon Close, Raynes Park, Merton, SW20 9HA · premises record
Officer Lan Pham
Not required
2025-06-16
More
Prior Approval - Larger Home Extension (6-8m) - Sch 2, Class A, Part 1
Show all 10 rows
APPLICATION FOR RETENTION OF HIP TO GABLE AND REAR DORMER ROOF EXTENSION AND ALTERATIONS TO FRONT AND REAR EAVES.
14 Cannon Close, Raynes Park, Merton, SW20 9HA · premises record
Officer Martin Miranda Antelo
Refused
2025-04-03
More
Full Planning Permission
APPLICATION FOR NON-MATERIAL AMENDMENTS TO APPLICATION 24/P3063, APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF HIP TO GABLE, REAR DORMER ROOF EXTENSION AND INSTALLATION OF FOUR ROOFLIGHTS TO THE FRONT ROOF SLOPE. NON MATERIAL AMENDMENTS RELATE TO THE ALTERAT
14 Cannon Close, Raynes Park, Merton, SW20 9HA · premises record
Officer Martin Miranda Antelo
Withdrawn
2025-03-07
More
Non-Material Amendment - Section 96A
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF HIP TO GABLE, REAR DORMER ROOF EXTENSION AND INSTALLATION OF FOUR ROOFLIGHTS TO THE FRONT ROOF SLOPE.
14 Cannon Close, Raynes Park, Merton, SW20 9HA · premises record
Officer Martin Miranda Antelo
Approved
2024-10-29
More
Lawful Development Certificate - Proposed - Section 192
APPLICATION TO DETERMINE WHETHER PRIOR APPROVAL IS REQUIRED, IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION WITH A DEPTH OF 6M, MAXIMUM HEIGHT OF 4M AND EAVES HEIGHT OF 2.9M
14 Cannon Close, Raynes Park, Merton, SW20 9HA · premises record
Officer Martin Miranda Antelo
Not required
2024-07-29
More
Prior Approval - Larger Home Extension (6-8m) - Sch 2, Class A, Part 1
APPLICATION TO DETERMINE WHETHER PRIOR APPROVAL IS REQUIRED, IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION WITH A DEPTH OF 6M, MAXIMUM HEIGHT OF 4M AND EAVES HEIGHT OF 2.9M
14 Cannon Close, Raynes Park, Merton, SW20 9HA · premises record
Officer Martin Miranda Antelo
Refused
2024-06-26
More
Prior Approval - Larger Home Extension (6-8m) - Sch 2, Class A, Part 1
APPLICATION FOR NON-MATERIAL AMENDMENTS TO APPLICATION 20/P0822, ERECTION OF A SINGLE STOREY REAR EXTENSION AND LOFT CONVERSION INVOLVING ERECTION OF A REAR DORMER AND INSERTION OF 3X ROOFLIGHTS ON FRONT ROOFSLOPE. NON MATERIAL AMENDMENTS RELATE TO THE PROVISION OF A FLAT ROOF WITH A PITCHED GLAZED
17 Cannon Close, Raynes Park, Merton, SW20 9HA · premises record
Officer Leigh Harrington
Withdrawn
2024-05-14
More
Non-Material Amendment - Section 96A
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION
4 Cannon Close, Raynes Park, Merton, SW20 9HA · premises record
Officer Rebecca Martin-Fraser
Approved
2023-02-02
More
Lawful Development Certificate - Proposed - Section 192
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?
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 28 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Case officer on 15 applications
Case officer on 5 applications
Case officer on 3 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 15 applications
Case officer on 5 applications
Case officer on 3 applications
Show all 7 rows
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent28 applications and 26 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy22 EPC records; ratings C: 8, D: 8, E: 6.
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.
6 intent signals recorded in this postcode
Beatable refusal · Price decline · Long hold
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.