Postcode record · Merton
SW20 9HH.
SW20 9HH has 38 known premises and 48 planning records — 31 approved of 48 decided (64.6%). 19 EPC records.
Postcode SW20 9HH · boundary not held, centred on the postcodeApprovedRefusedOther48 on the map — every match
At a glance · this postcodeMerton profile →
38
Premises
known addresses (UPRNs)
48
Applications
48 decided
64.6%
Approval rate
31 approved · 7 refused
56 days
Median decision time
average 68 days · 39 dated decisions
19
EPC records
ratings C 4 · D 11 · E 4
48
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 9HH has 38 known premises and 48 planning records — 31 approved of 48 decided (64.6%). 19 EPC records.
Premises (18 of 38 shown)
Name
Details
UPRN 48012113
UPRN 48012114
UPRN 48012115
UPRN 48012116
UPRN 48012117
UPRN 48012118
UPRN 48012119
UPRN 48012120
UPRN 48012121
UPRN 48012113
UPRN 48012114
Show all 10 rows
UPRN 48012115
UPRN 48012116
UPRN 48012117
UPRN 48012118
UPRN 48012119
UPRN 48012120
UPRN 48012121
Planning
What happened?
48 planning applications across the postcode; 31 approved of 48 decided (64.6%). 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 5.5M, MAXIMUM HEIGHT OF 3.78M AND EAVES HEIGHT OF 3M
433 Cannon Hill Lane, Raynes Park, Merton, SW20 9HH · premises record
Officer Lan Pham
Prior Approval - Larger Home Extension (6-8m) - Sch 2, Class A, Part 1
Not required
2025-12-19
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A HIP TO GABLE AND REAR DORMER ROOF EXTENSIONS
433 Cannon Hill Lane, Raynes Park, Merton, SW20 9HH · premises record
Officer Lan Pham
Lawful Development Certificate - Proposed - Section 192
Approved
2025-12-19
APPLICATION FOR THE ERECTION OF A SINGLE STOREY OUTBUILDING IN THE REAR GARDEN.
433 Cannon Hill Lane, Raynes Park, Merton, SW20 9HH · premises record
Officer Lan Pham
Full Planning Permission
Approved
2025-12-19
ERECTION OF TWO SINGLE STOREY DWELLINGS WITH BASEMENT LEVEL AND ASSOCIATED LANDSCAPING, CYCLE AND REFUSE STORES
LAND REAR OF 457 AND 459 Cannon Hill Lane, Raynes Park, Merton · premises record
Officer Wendy Wong Chang
Full Planning Permission
Approved
2024-02-21
APPLICATION TO DISCHARGE CONDITION 4 (MATERIALS) ATTACHED TO LBM PLANNING APPLICATION 18/P3762 (ALLOWED ON APPEAL APP/T5720/D/19/3226602) RELATING TO PART SINGLE PART TWO STOREY SIDE AND REAR EXTENSION AND EXTENSION OF EXISTING REAR DORMER
CORNER HOUSE, 391 Cannon Hill Lane, Raynes Park, Merton, SW20 9HH · premises record
Officer Leigh Harrington
Discharge of Planning Conditions
Approved
2022-03-29
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A REAR ROOF EXTENSION AND A HIP TO GABLE ROOF EXTENSION AND INSTALLATION OF X2 ROOFLIGHTS ON THE FRONT ROOFSLOPE.
431 Cannon Hill Lane, Raynes Park, Merton, SW20 9HH · premises record
Officer Sarah Muckian
Lawful Development Certificate - Proposed - Section 192
Approved
2022-03-17
ERECTION OF A REPLACEMENT ROOF TO EXISTING SINGLE STOREY REAR EXTENSION, REPLACEMENT OF EXISTING SINGLE STOREY EXTENSION/GARAGE, ERECTION OF A TIMBER ROOF STRUCTURE TO REAR, AND FORMATION OF VEHICULAR CROSSOVER AND CONVERSION OF FRONT GARDEN INTO A HARDSTANDING AREA FOR OFF-STREET PARKING (AMENDED)
431 Cannon Hill Lane, Raynes Park, Merton, SW20 9HH · premises record
Officer Sarah Muckian
Full Planning Permission
Approved
2022-03-17
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION, REAR ROOF EXTENSION AND ALTERATIONS TO EXISTING PORCH.
457 Cannon Hill Lane, Raynes Park, Merton, SW20 9HH · premises record
Officer Sarah Muckian
Lawful Development Certificate - Proposed - Section 192
Approved
2022-02-24
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION, ROOF EXTENSION AND REPLACEMENT OF EXISTING PORCH.
459 Cannon Hill Lane, Raynes Park, Merton, SW20 9HH · premises record
Officer Rebecca Martin-Fraser
Lawful Development Certificate - Proposed - Section 192
Approved
2022-02-24
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 6 M. THE MAXIMUM HEIGHT OF THE ENLARGED PART OF THE DWELLINGHOUSE WILL BE 4 M. THE HEIGHT OF THE EAVES OF
457 Cannon Hill Lane, Raynes Park, Merton, SW20 9HH · premises record
Officer Sarah Muckian
Prior Approval - Larger Home Extension (6-8m) - Sch 2, Class A, Part 1
Withdrawn
2022-01-28
APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION WITH A DEPTH OF 5.5M, MAXIMUM HEIGHT OF 3.78M AND EAVES HEIGHT OF 3M
433 Cannon Hill Lane, Raynes Park, Merton, SW20 9HH · premises record
Officer Lan Pham
Not required
2025-12-19
More
Prior Approval - Larger Home Extension (6-8m) - Sch 2, Class A, Part 1
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A HIP TO GABLE AND REAR DORMER ROOF EXTENSIONS
433 Cannon Hill Lane, Raynes Park, Merton, SW20 9HH · premises record
Officer Lan Pham
Approved
2025-12-19
More
Lawful Development Certificate - Proposed - Section 192
APPLICATION FOR THE ERECTION OF A SINGLE STOREY OUTBUILDING IN THE REAR GARDEN.
433 Cannon Hill Lane, Raynes Park, Merton, SW20 9HH · premises record
Officer Lan Pham
Approved
2025-12-19
More
Full Planning Permission
Show all 10 rows
ERECTION OF TWO SINGLE STOREY DWELLINGS WITH BASEMENT LEVEL AND ASSOCIATED LANDSCAPING, CYCLE AND REFUSE STORES
LAND REAR OF 457 AND 459 Cannon Hill Lane, Raynes Park, Merton · premises record
Officer Wendy Wong Chang
Approved
2024-02-21
More
Full Planning Permission
APPLICATION TO DISCHARGE CONDITION 4 (MATERIALS) ATTACHED TO LBM PLANNING APPLICATION 18/P3762 (ALLOWED ON APPEAL APP/T5720/D/19/3226602) RELATING TO PART SINGLE PART TWO STOREY SIDE AND REAR EXTENSION AND EXTENSION OF EXISTING REAR DORMER
CORNER HOUSE, 391 Cannon Hill Lane, Raynes Park, Merton, SW20 9HH · premises record
Officer Leigh Harrington
Approved
2022-03-29
More
Discharge of Planning Conditions
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A REAR ROOF EXTENSION AND A HIP TO GABLE ROOF EXTENSION AND INSTALLATION OF X2 ROOFLIGHTS ON THE FRONT ROOFSLOPE.
431 Cannon Hill Lane, Raynes Park, Merton, SW20 9HH · premises record
Officer Sarah Muckian
Approved
2022-03-17
More
Lawful Development Certificate - Proposed - Section 192
ERECTION OF A REPLACEMENT ROOF TO EXISTING SINGLE STOREY REAR EXTENSION, REPLACEMENT OF EXISTING SINGLE STOREY EXTENSION/GARAGE, ERECTION OF A TIMBER ROOF STRUCTURE TO REAR, AND FORMATION OF VEHICULAR CROSSOVER AND CONVERSION OF FRONT GARDEN INTO A HARDSTANDING AREA FOR OFF-STREET PARKING (AMENDED)
431 Cannon Hill Lane, Raynes Park, Merton, SW20 9HH · premises record
Officer Sarah Muckian
Approved
2022-03-17
More
Full Planning Permission
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION, REAR ROOF EXTENSION AND ALTERATIONS TO EXISTING PORCH.
457 Cannon Hill Lane, Raynes Park, Merton, SW20 9HH · premises record
Officer Sarah Muckian
Approved
2022-02-24
More
Lawful Development Certificate - Proposed - Section 192
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION, ROOF EXTENSION AND REPLACEMENT OF EXISTING PORCH.
459 Cannon Hill Lane, Raynes Park, Merton, SW20 9HH · premises record
Officer Rebecca Martin-Fraser
Approved
2022-02-24
More
Lawful Development Certificate - Proposed - Section 192
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 6 M. THE MAXIMUM HEIGHT OF THE ENLARGED PART OF THE DWELLINGHOUSE WILL BE 4 M. THE HEIGHT OF THE EAVES OF
457 Cannon Hill Lane, Raynes Park, Merton, SW20 9HH · premises record
Officer Sarah Muckian
Withdrawn
2022-01-28
More
Prior Approval - Larger Home Extension (6-8m) - Sch 2, Class A, Part 1
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 30 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Case officer on 12 applications
Case officer on 8 applications
Case officer on 4 applications
Case officer on 3 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 12 applications
Case officer on 8 applications
Case officer on 4 applications
Show all 6 rows
Case officer on 3 applications
Case officer on 2 applications
Case officer on 1 application
Development
What could it become?
Planning precedent48 applications and 48 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy19 EPC records; ratings C: 4, D: 11, E: 4.
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
Charge registered · 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.