322 Martin Way, Raynes Park, Merton, SW20 9BX Data via plota.co.uk

26/FULL/1456 - Full Planning Permission Pending Consideration

Proposal

Hip to gable roof extension, erection of rear facing dormer, erection of two-storey and single storey rear (and part side) extensions, to facilitate the conversion of the existing semi-detached house to provide 2 x threebedroom dwellings. Conversion of existing outbuilding. Formation of a vehicular crossover, provision of off-street parking. Installation of refuse and cycle storage, boundary treatment, and associated works. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
23 Jul 2026
✓
Validated
22 Sept 2026
Decision
Expected by 17 Nov 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision between 17 Nov 2026 and 3 Dec 2026, from Merton's recent extensions.

Documents 42

Other documents 27

PDF As-designed-Part-G-report. Supporting/Supplementary Info View ↗ PDF Be-Green-DER Supporting/Supplementary Info View ↗ PDF Air-Source-Heat-Pump-data-sheet Supporting/Supplementary Info View ↗ PDF SuDS-Permeable-Paving-Design-Guide Supporting/Supplementary Info View ↗ PDF Part-L-baseline Supporting/Supplementary Info View ↗ PDF GHA-Overheating-Tool Supporting/Supplementary Info View ↗ PDF EA-standing-Advice-guidance. Supporting/Supplementary Info View ↗ PDF Be-Lean-DER Supporting/Supplementary Info View ↗
PDF Commenter’s name hidden Show Supporting Document Planning Public View ↗
PDF Commenter’s name hidden Show Supporting Document Planning Public View ↗
PDF Commenter’s name hidden Show Supporting Document Planning Public View ↗
PDF Commenter’s name hidden Show Supporting Document Planning Public View ↗
PDF BE GREEN DER.pdf Supporting/Supplementary Info View ↗ PDF BE LEAN DER.pdf Supporting/Supplementary Info View ↗ PDF 2021 PART L BASELINE.pdf Supporting/Supplementary Info View ↗ PDF 322 Martin Way_as designed Part G report.pdf Supporting/Supplementary Info View ↗ PDF Marshalls Grassguard Paving_180 600x400x120_datasheet.pdf Supporting/Supplementary Info View ↗ PDF SUDS - Marshalls Permeable Design.pdf Supporting/Supplementary Info View ↗ PDF FVA 322 Martin Way SW20.pdf Supporting/Supplementary Info View ↗ PDF GHA Overheating-in-Tool-and-Guidance-Tool-only.pdf Supporting/Supplementary Info View ↗ PDF TPA letter for emailing.doc.pdf Supporting/Supplementary Info View ↗ PDF engineers notes- New application-2488484.pdf Supporting/Supplementary Info View ↗ PDF 13299-ERS-ZZ-ZZ-IE-SUS-0001-A-P02.pdf.pdf Supporting/Supplementary Info View ↗ PDF 13299-ERS-ZZ-ZZ-R-SUS-0002-A-P01.pdf.pdf Supporting/Supplementary Info View ↗ PDF Site Photographs for Applicant and neibouring houses at 322 Martin Way.pdf Photos/Imagery View ↗ PDF Waste and Recycling storage requirements for 322 Martin Way.pdf Supporting/Supplementary Info View ↗ PDF Accommodation Schedule.pdf Supporting/Supplementary Info View ↗

All documents on the council site ↗

Site constraints 4

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 287 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.
Also on the record
Inside the Merton built-up area; Metropolitan Open Land about 23 m away.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 24 September 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 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 2

Last sold for £237,000 in April 2005. Semi-detached house, freehold.

15 April 2005£237,000
24 January 2003£220,000

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

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Important details

Council
Merton
Application type
Full Planning Permission
Postcode
SW20 9BX
Received
23 Jul 2026
Validated
22 Sept 2026
Ward
Cannon Hill
Case officer
Show
Target decision
17 Nov 2026
Decision level
Delegated
Applicant
Show
Agent
Young In Architects

Decision outlook

Day 13 of the 56-day target. Merton usually decides extensions by day 62.

Day 1349 days to the predicted decision (day 62)
45%decided within 8 weeks
91%approved
1,147decided 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
17 Nov 2026
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

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