1a, HAYDON COURT Garth Road, Morden, Surrey, Merton, SM4 4LS Data via plota.co.uk

Approved 26/LDCE/0512 - Lawful Development Certificate - Existing - Section 191
Admin / procedural
Council
Merton 4.5/10
Date received
24 May 2026
Postcode
SM4 4LS
Type
Lawful Development Certificate - Existing - Section 191

Description

Application for a lawful development certificate in respect of the existing conversion of the roof space to form an additional habitable room, including the installation of a staircase providing access from the first floor. Data via plota.co.uk

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Last checked

Site constraints 3

Flood zone 2, rivers and sea
Medium chance: between a 1 in 100 and 1 in 1,000 annual chance from rivers, or 1 in 200 to 1 in 1,000 from the sea. Any development here needs a flood risk assessment. Defences are not counted.
The Environment Agency flood map for planning. Homes in zone 3 must also pass the sequential test. Surface water flooding is a separate map.
Flood map ↗
Air quality management area: Merton AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
Also on the record
Inside the Merton built-up area.
Not affected
Not green belt · No scheduled monument at the site

Checked on 11 September 2026. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

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Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025
Colwood House 158 Garth Road Morden SM4 4LZ
APPLICATION FOR THE ERECTION OF A SINGLE STOREY OUTBUILDING FOR STORAGE USE.
25/P0948/INVALID
2021 Approved
100 Garth Road Morden SM4 4LR
ERECTION OF A FRONT PORCH
21/P3029/INVALID
2021 Approved
100 Garth Road Morden SM4 4LR
ERECTION OF A FRONT PORCH
21/P3029
2022 Approved
5A Haydon Court Garth Road Morden SM4 4LS
INSTALLATION OF REPLACEMENT PVCu WINDOWS TO FIRST FLOOR FLAT
22/P0478
2020 Approved
1 Haydon Court Garth Road Morden SM4 4LS
ERECTION OF A SINGLE STOREY REAR EXTENSION.
20/P3525/INVALID
2020 Approved
1 Haydon Court Garth Road Morden SM4 4LS
ERECTION OF A SINGLE STOREY REAR EXTENSION.
20/P3525
2020 Approved
117 Garth Road Morden SM4 4LF
ERECTION OF A SINGLE STOREY REAR EXTENSION, CONVERSION OF GARAGE INTO HABITABLE ROOM AND…
20/P1070
2019 Approved
Garth House 141 Garth Road Morden SM4 4LG
DEMOLITION OF EXISTING BUILDING AND THE ERECTION OF A SELF-STORAGE WAREHOUSE (USE CLASS B…
19/P4146
2020 Approved
Garth House 141 Garth Road Morden SM4 4LG
Demolition of existing building and the erection of a self-storage warehouse (Use class B…
DM2020/00113
2019 Approved
Ground Floor Colwood House 158 Garth Road Morden SM4 4LZ
CHANGE OF USE OF PART OF THE BUILDING GROUND FLOOR FROM TIMBER MERCHANTS YARD (A1) TO CAF…
19/P3254/INVALID
2019 Approved
Ground Floor Colwood House 158 Garth Road Morden SM4 4LZ
CHANGE OF USE OF PART OF THE BUILDING GROUND FLOOR FROM TIMBER MERCHANTS YARD (A1) TO CAF…
19/P3254/INVALID/INVALID
2019 Approved
Ground Floor Colwood House 158 Garth Road Morden SM4 4LZ
CHANGE OF USE OF PART OF THE BUILDING GROUND FLOOR FROM TIMBER MERCHANTS YARD (A1) TO CAF…
19/P3254
2018 Refused
Garth House 141 Garth Road Lower Morden London SM4 4LG
CHANGE OF USE FROM OFFICES (USE CLASS B1(A)) AND STORAGE AND DISTRIBUTION (USE CLASS B8)…
18/P3082/INVALID
2018 Refused
Garth House 141 Garth Road Lower Morden London SM4 4LG
CHANGE OF USE FROM OFFICES (USE CLASS B1(A)) AND STORAGE AND DISTRIBUTION (USE CLASS B8)…
18/P3082
2018 Approved
Unit C2 Alpha House Garth Road Morden Surrey SM4 4LT
CONSTRUCTION OF A 1ST FLOOR INFILL EXTENSION TO PROVIDE OFFICE SPACE
19/P0145
2018 Approved
Garth House 141 Garth Road Lower Morden SM4 4LG
Change of use from offices (use Class B1(A)) and storage and distribution (use class B8)…
DM2018/01575
2017 Approved
100 Garth Road Morden SM4 4LR
ERECTION OF A SINGLE STOREY DETACHED GARAGE
17/P2214
2017 Approved
100 Garth Road Morden SM4 4LR
ERECTION OF A SINGLE STOREY DETACHED GARAGE
17/P2214/INVALID
2017 Approved
100 Garth Road Morden SM4 4LR
ERECTION OF A SINGLE STOREY SIDE EXTENSION
17/P2215
2017 Approved
100 Garth Road Morden SM4 4LR
ERECTION OF A SINGLE STOREY SIDE EXTENSION
17/P2215/INVALID
2016 Approved
167 GARTH ROAD, MORDEN, SURREY.
ERECTION OF A SECOND FLOOR EXTENSION OVER EXISTING OUTRIGGER.
17/P0107/INVALID
2016 Approved
167 GARTH ROAD, MORDEN, SURREY.
ERECTION OF A SECOND FLOOR EXTENSION OVER EXISTING OUTRIGGER.
17/P0107
2024 Approved
3A Haydon Court Garth Road Morden SM4 4LS
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE EXISTING CONVERSION OF…
24/P3092/INVALID
2024 Approved
3A Haydon Court Garth Road Morden SM4 4LS
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE EXISTING CONVERSION OF…
24/P3092
2023 Approved
Colwood House 158 Garth Road Morden SM4 4LL
PRIOR APPROVAL FOR THE PROPOSED CHANGE OF USE FROM CLASS E TO 8 X RESIDENTIAL UNITS
23/P3478
Merton
Planning Authority Score
4.5/10
Below average
#173 of 296 councils
Relevant to this application:
Householder decisions

Merton ranks #196 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (92%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
Merton decision statistics
Based on MHCLG data, the year to March 2026
89%
Overall approval rate
Above avg (87%) #135 of 296
92%
Householder approved
Above avg (90%) #158 of 296
57%
Decided in 8 weeks
Below avg (63%) #196 of 296
39%
Extended time limit
Below avg (41%) #139 of 296
54%
Minor dwellings approved
82 decided (1-9 homes)
100%
Major dwellings approved
11 decided (10+ homes)
83%
Change of use approved
24 decided
1,079
Total decisions
115 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings