140 Whatley Avenue, Raynes Park, Merton, SW20 9NU Data via plota.co.uk

26/LDCP/1009 - Lawful Development Certificate - Proposed - Section 192 Approved
Extensions & alterations

Proposal

Application for a lawful development certificate in respect of the proposed erection of a rear dormer roof extension. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
week of 1 Jun 2026
✓
Approved
29 Jun 2026

Approved on 29 Jun 2026 · Delegated · Last checked 30 Sept 2026

Documents 8

Decision & officer reports 1

PDF Decision Notice - LDC (S192 Proposed) - Approve Decision Notice · 29 Jun 2026 View ↗

Plans & drawings 1

PDF planning/uploads/392591111780308945:: ::Location Plan General Correspondence · 1 Jun 2026 View ↗

Application forms 3

PDF planning/uploads/102065821780308932:: ::cil form 1 1779300186989 General Correspondence · 1 Jun 2026 View ↗ PDF planning/uploads/873764061780308924:: ::application form 1779300183895 REDACTED General Correspondence · 1 Jun 2026 View ↗ PDF planning/uploads/193781891780308921:: ::application form 1779300183895 General Correspondence · 1 Jun 2026 View ↗

Other documents 3

PDF planning/uploads/732490451780308917:: ::PN 03 140 Whatley Avenue General Correspondence · 1 Jun 2026 View ↗ PDF planning/uploads/992084501780308913:: ::PN 02 140 Whatley Avenue General Correspondence · 1 Jun 2026 View ↗ PDF planning/uploads/7218862681780308909:: ::PN 01 140 Whatley Avenue General Correspondence · 1 Jun 2026 View ↗

All documents on the council site ↗

Site constraints 6

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 ↗
Local nature reserve about 169 m away: Cannon Hill Common
Work nearby can need a habitats assessment.
Harm to a protected site is only accepted where there is no alternative and an overriding public interest.
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
Inside the Merton built-up area; Public transport access: PTAL 1b (very poor), TfL 2023, for the 100 m square; Metropolitan Open Land about 27 m away.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) 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.

Sales history 1

Last sold for £605,000 in August 2020. Terraced house, freehold.

27 August 2020£605,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area99 m² (1,066 sq ft)
Energy ratingD (63 out of 100), could reach B
PropertyMid-terrace house, 5 habitable rooms
Built1900 to 1929
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in March 2020, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate

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Important details

Council
Merton
Application type
Lawful Development Certificate - Proposed - Section 192
Postcode
SW20 9NU
Received
week of 1 Jun 2026
Validated
1 Jun 2026
Case officer
Show
Target decision
27 Jul 2026
Decision
Issue Certificate of Lawfulness
Decision date
29 Jun 2026
Decision level
Delegated
Applicant
Show
Agent
KKR Planning & Design Ltd

How this decision compares

Decided in 28 days from validation, 34 days faster than Merton's median of 62 for extensions. Approved, as 91% of extensions here are.

45%decided within 8 weeks
91%approved
1,170decided in the last year

Plota live figures for extensions decided by Merton in the last twelve months, from validation. Merton decision record →

Consultation & key dates

Statutory expiry
27 Jul 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2024 Approved
107 Whatley Avenue Wimbledon Chase SW20 9NT
REDEVELOPMENT OF EXISTING OUTBUILDING.
24/P2298
2024 Approved
107 Whatley Avenue Wimbledon Chase SW20 9NT
REDEVELOPMENT OF EXISTING OUTBUILDING.
24/P2298/INVALID
2024 Approved
131 Whatley Avenue Raynes Park SW20 9NT
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A…
24/P1675
2022 Approved
96 Whatley Avenue Wimbledon Chase London SW20 9NU
ALTERATION AND ADDITION TO EXISTING SINGLE STOREY REAR EXTENSION AND ERECTION OF PART FIR…
22/P0753/INVALID
2022 Approved
96 Whatley Avenue Wimbledon Chase London SW20 9NU
ALTERATION AND ADDITION TO EXISTING SINGLE STOREY REAR EXTENSION AND ERECTION OF PART FIR…
22/P0753
2022 Refused
96 Whatley Avenue Wimbledon Chase London SW20 9NU
ERECTION OF A ROOF DORMER AND RAISING OF THE RIDGE BY 469MM
22/P0631
2022 Approved
94 Whatley Avenue Wimbledon Chase London SW20 9NU
ERECTION OF A PART SINGLE PART TWO STOREY REAR EXTENSION AND FORMATION OF A VEHICLE ACCES…
22/P0341
2021 Approved
107 Whatley Avenue Wimbledon Chase SW20 9NT
ERECTION OF GROUND AND FIRST FLOOR REAR EXTENSIONS.
21/P2338
2021 Approved
132 Whatley Avenue Wimbledon Chase London SW20 9NU
ERECTION OF A FIRST FLOOR REAR EXTENSION.
21/P0602
2020 Approved
107 Whatley Avenue Wimbledon Chase SW20 9NT
ERECTION OF A SINGLE STOREY REAR EXTENSION
20/P3100/INVALID
2020 Approved
107 Whatley Avenue Wimbledon Chase SW20 9NT
ERECTION OF A SINGLE STOREY REAR EXTENSION
20/P3100
2020 Approved
126 Whatley Avenue Wimbledon Chase SW20 9NU
ERECTION OF A SINGLE STOREY REAR EXTENSION.
20/P2097
2020 Approved
126 Whatley Avenue Wimbledon Chase London SW20 9NU
ERECTION OF A SINGLE STOREY REAR OUTBUILDING.
20/P1488
2020 Approved
125 Whatley Avenue Wimbledon Chase SW20 9NT
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A…
20/P1429
2020 Approved
165 Whatley Avenue Wimbledon Chase London SW20 9NT
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A…
20/P1369
2018 Approved
104 Whatley Avenue Wimbledon Chase SW20 9NU
ERECTION OF A FIRST FLOOR REAR EXTENSION.
18/P0633
2017 Approved
104 Whatley Avenue Wimbledon Chase SW20 9NU
ERECTION OF A PART SINGLE, PART TWO STOREY REAR EXTENSION
17/P3856
2016 Approved
98 Whatley Avenue Wimbledon Chase London SW20 9NU
ERECTION OF A SINGLE STOREY REAR EXTENSION WITH VERANDA/PATIO.
16/P1781
2023 Approved
143 Whatley Avenue Wimbledon Chase London SW20 9NT
APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REA…
23/P2444
2023 Refused
143 Whatley Avenue Wimbledon Chase London SW20 9NT
APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REA…
23/P1836
2023 Refused
143 Whatley Avenue Wimbledon Chase London SW20 9NT
APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REA…
23/P1236
2021 Approved
94 Whatley Avenue Wimbledon Chase London SW20 9NU
APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REA…
21/P4518
2020 Refused
107 Whatley Avenue Wimbledon Chase London SW20 9NT
APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REA…
20/P2603
2020 Refused
126 Whatley Avenue Wimbledon Chase SW20 9NU
APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REA…
20/P1493
2020 Approved
125 Whatley Avenue Wimbledon Chase London SW20 9NT
APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REA…
20/P1420
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

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.