14 Mayfield Road, Wimbledon, Merton, SW19 3NF Data via plota.co.uk

25/P2203 - Full Planning Permission Approved

Proposal

Application for the replacement of 6 timber sash windows to the front, 5 timber sash windows and one timber double door to the rear. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
28 Jul 2025
✓
Approved
10 Sept 2025

Approved on 10 Sept 2025 · Delegated · Last checked 18 Oct 2026

Documents 7

Decision & officer reports 1

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

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

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

Consultation & comments 1

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

Other documents 1

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

All documents on the council site ↗

Site constraints 6

John Innes (Wilton Crescent) conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Council document ↗
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
Local nature reserve 390 m away: Merton Park Green Walks; 1 listed building within 150 m; Inside the Merton built-up area; Public transport access: PTAL 5 (very good), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument 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 £2,610,000 in February 2025. Semi-detached house, freehold.

27 February 2025£2,610,000
6 September 2005£1,060,000
6 October 1999£650,000

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

Building

Floor area201 m² (2,164 sq ft)
Energy ratingF (34 out of 100), could reach C
PropertySemi-detached house, 8 habitable rooms
Built1900 to 1929
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in September 2015, 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
SW19 3NF
Received
28 Jul 2025
Validated
28 Jul 2025
Ward
Wimbledon Town And Dundonald
Parish
Historic
Case officer
Show
Target decision
22 Sept 2025
Decision
Grant Permission Subject To Conditions
Decision date
10 Sept 2025
Decision level
Delegated
Applicant
Show

How this decision compares

Decided in 44 days from validation, 12 days faster than Merton's median of 56 for extensions. Approved, as 91% 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 Sept 2025
Statutory expiry
22 Sept 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.