Amberwood Restoration, 407A Kingston Road, Raynes Park, Merton, SW20 8JS Data via plota.co.uk

25/P3046 - Full Planning Permission Refused

Proposal

Application for a single storey rear extension. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
16 Oct 2025
✗
Refused
10 Dec 2025
Appeal
Not lodged

Refused on 10 Dec 2025 · Delegated · Last checked 16 Oct 2026

Documents 9

Decision & officer reports 2

PDF Commenter’s name hidden Show Supporting Document Planning Public View ↗
PDF Commenter’s name hidden Show Supporting Document Planning Public View ↗

Statements & assessments 1

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Plans & drawings 3

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 ↗

Application forms 1

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Consultation & comments 1

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Other documents 1

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All documents on the council site ↗

Site constraints 3

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; Public transport access: PTAL 2 (poor), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 2 November 2026. 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 3

Last sold for £342,500 in February 2025. Other property, leasehold.

More than one property is recorded at this address: HM Land Registry does not always give the flat or unit.

14 February 2025£265,000Flat or maisonette. Recorded as a transfer outside a standard sale. One of 2 sales recorded that day
14 February 2025£342,500Recorded as a transfer outside a standard sale. One of 2 sales recorded that day
14 April 2000£155,000Terraced house, freehold

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

Building

Floor area55 m² (592 sq ft)
Energy ratingB (asset rating 44)
UseNon-residential Institutions: Education
HeatingUnconditioned

From the energy performance certificate lodged in March 2025, 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
Full Planning Permission
Postcode
SW20 8JS
Received
16 Oct 2025
Validated
16 Oct 2025
Ward
Raynes Park
Parish
Historic
Case officer
Show
Target decision
11 Dec 2025
Decision
Refuse Permission
Decision date
10 Dec 2025
Decision level
Delegated
Applicant
Show
Agent
Planning Additions
Leaseholder
Show

How this decision compares

Decided in 55 days from validation, about the council's usual 56 days. Refused, as 9% of extensions here are.

50%decided within 8 weeks
91%approved
1,375decided 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

Committee
10 Dec 2025
Statutory expiry
11 Dec 2025
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.

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

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.

Leaseholders: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.