Planning Atlas
AtlasPostcodeSM44DW
Dev
Session
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Planning AtlasMertonCannon Hill wardSM4 4DW
Postcode record · Merton

SM4 4DW.

SM4 4DW has 32 known premises and 29 planning records — 21 approved of 29 decided (72.4%). 16 EPC records.

MertonCannon HillSM4 4DW
Postcode SM4 4DW · boundary not held, centred on the postcodeApprovedRefusedOther29 on the map — every match
At a glance · this postcodeMerton profile →
32
Premises
known addresses (UPRNs)
29
Applications
29 decided
72.4%
Approval rate
21 approved · 3 refused
54 days
Median decision time
average 59 days · 28 dated decisions
16
EPC records
ratings C 2 · D 6 · E 6 · F 2
29
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?

SM4 4DW has 32 known premises and 29 planning records — 21 approved of 29 decided (72.4%). 16 EPC records.

Premises (18 of 32 shown)

Planning

What happened?

29 planning applications across the postcode; 21 approved of 29 decided (72.4%). Latest 29 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 4M, MAXIMUM HEIGHT OF 3.82M AND EAVES HEIGHT OF 2.91M.
12 Leamington Avenue, Morden, Surrey, Merton, SM4 4DW · premises record
Prior Approval - Larger Home Extension (6-8m) - Sch 2, Class A, Part 1
Not required
2026-04-29
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF HIP TO GABLE, REAR DORMER ROOF EXTENSION AND X2 ROOF LIGHTS TO THE FRONT ELEVATION
18 Leamington Avenue, Morden, Surrey, Merton, SM4 4DW · premises record
Lawful Development Certificate - Proposed - Section 192
Approved
2024-11-18
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF HIP TO GABLE, REAR DORMER ROOF EXTENSION AND 3 FRONT ROOFLIGHTS
36 Leamington Avenue, Morden, Surrey, Merton, SM4 4DW · premises record
Lawful Development Certificate - Proposed - Section 192
Approved
2024-09-24
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 5 M. THE MAXIMUM HEIGHT OF THE ENLARGED PART OF THE DWELLINGHOUSE WILL BE 3.15 M. THE HEIGHT OF THE EAVES
14 Leamington Avenue, Morden, Surrey, Merton, SM4 4DW · premises record
Prior Approval - Larger Home Extension (6-8m) - Sch 2, Class A, Part 1
Not required
2023-05-18
DEMOLISHING THE EXISTING SIDE GARAGE-CONSERVATORY AND ERECTION A SINGLE-STOREY REAR/SIDE EXTENSION, HIP TO GABLE AND REAR DORMER AND INSTALLATION OF X3 WINDOWS TO THE FRONT ROOFSLOPE AND A NEW WINDOW IN THE GABLE.
2 Leamington Avenue, Morden, Surrey, Merton, SM4 4DW · premises record
Full Planning Permission
Approved
2023-02-20
EXTENSON OF EXISTING OUTBUILDING
20 Leamington Avenue, Morden, Merton, SM4 4DW · premises record
Full Planning Permission
Approved
2021-10-14
APPLICATION FOR A CERTIFICATE OF LAWFULNESS IN RESPECT OF THE PROPOSED ERECTION/EXTENSION OF AN OUTBUILDING
20 Leamington Avenue, Morden, Merton, SM4 4DW · premises record
Lawful Development Certificate - Proposed - Section 192
Withdrawn
2021-06-18
ERECTION OF A SINGLE STOREY REAR EXTENSION.
54 Leamington Avenue, Morden, Surrey, Merton, SM4 4DW · premises record
Full Planning Permission
Approved
2021-01-18
ERECTION OF A SINGLE STOREY REAR EXTENSION.
58 Leamington Avenue, Morden, Surrey, Merton, SM4 4DW · premises record
Full Planning Permission
Approved
2020-11-09
ERECTION OF A SINGLE STOREY REAR EXTENSION
56 Leamington Avenue, Morden, Surrey, Merton, SM4 4DW · premises record
Full Planning Permission
Approved
2020-01-09
APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION WITH A DEPTH OF 4M, MAXIMUM HEIGHT OF 3.82M AND EAVES HEIGHT OF 2.91M.
12 Leamington Avenue, Morden, Surrey, Merton, SM4 4DW · premises record
Not required
2026-04-29
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 HIP TO GABLE, REAR DORMER ROOF EXTENSION AND X2 ROOF LIGHTS TO THE FRONT ELEVATION
18 Leamington Avenue, Morden, Surrey, Merton, SM4 4DW · premises record
Approved
2024-11-18
More
Lawful Development Certificate - Proposed - Section 192
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF HIP TO GABLE, REAR DORMER ROOF EXTENSION AND 3 FRONT ROOFLIGHTS
36 Leamington Avenue, Morden, Surrey, Merton, SM4 4DW · premises record
Approved
2024-09-24
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 THE FOLLOWING DIMENSIONS: EXTENDS BEYOND THE REAR WALL OF THE ORIGINAL DWELLINGHOUSE BY 5 M. THE MAXIMUM HEIGHT OF THE ENLARGED PART OF THE DWELLINGHOUSE WILL BE 3.15 M. THE HEIGHT OF THE EAVES
14 Leamington Avenue, Morden, Surrey, Merton, SM4 4DW · premises record
Not required
2023-05-18
More
Prior Approval - Larger Home Extension (6-8m) - Sch 2, Class A, Part 1
DEMOLISHING THE EXISTING SIDE GARAGE-CONSERVATORY AND ERECTION A SINGLE-STOREY REAR/SIDE EXTENSION, HIP TO GABLE AND REAR DORMER AND INSTALLATION OF X3 WINDOWS TO THE FRONT ROOFSLOPE AND A NEW WINDOW IN THE GABLE.
2 Leamington Avenue, Morden, Surrey, Merton, SM4 4DW · premises record
Approved
2023-02-20
More
Full Planning Permission
EXTENSON OF EXISTING OUTBUILDING
20 Leamington Avenue, Morden, Merton, SM4 4DW · premises record
Approved
2021-10-14
More
Full Planning Permission
APPLICATION FOR A CERTIFICATE OF LAWFULNESS IN RESPECT OF THE PROPOSED ERECTION/EXTENSION OF AN OUTBUILDING
20 Leamington Avenue, Morden, Merton, SM4 4DW · premises record
Withdrawn
2021-06-18
More
Lawful Development Certificate - Proposed - Section 192
ERECTION OF A SINGLE STOREY REAR EXTENSION.
54 Leamington Avenue, Morden, Surrey, Merton, SM4 4DW · premises record
Approved
2021-01-18
More
Full Planning Permission
ERECTION OF A SINGLE STOREY REAR EXTENSION.
58 Leamington Avenue, Morden, Surrey, Merton, SM4 4DW · premises record
Approved
2020-11-09
More
Full Planning Permission
ERECTION OF A SINGLE STOREY REAR EXTENSION
56 Leamington Avenue, Morden, Surrey, Merton, SM4 4DW · premises record
Approved
2020-01-09
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?

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 29 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Case officer on 19 applications
Case officer on 4 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 19 applications
Case officer on 4 applications
Case officer on 2 applications
Show all 6 rows
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Development

What could it become?

Planning precedent29 applications and 29 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy16 EPC records; ratings C: 2, D: 6, E: 6, F: 2.
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.

7 intent signals recorded in this postcode
EPC F/G · Long hold
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Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.
SM4 4DW, Merton: planning and property history | Planning Atlas