14 Dawlish Avenue, London, Merton, SW18 4RW Data via plota.co.uk

25/P1187 - Full Planning Permission Withdrawn

Proposal

Application for the conversion of the existing garage to provide a two bedroom granny annex with a small infill extension and a 1.8m timber fence to provide a small garden. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
16 Apr 2025
✓
Validated
4 Jun 2025
−
Withdrawn
10 Sept 2025

Withdrawn on 10 Sept 2025 · Withdrawn-Council · Last checked 1 Oct 2026

Documents 20

Statements & assessments 3

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Plans & drawings 7

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Application forms 2

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Consultation & comments 1

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Other documents 7

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All documents on the council site ↗

Site constraints 6

Archaeological priority area
An assessment or field evaluation may be asked for before ground works.
The council or Historic England considers archaeology likely here. A desk-based assessment, and sometimes trial trenching, can be asked for with the application.
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 231 m away: Lower Wandle
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
National infrastructure project 1215 m away: Thames Tideway Tunnel; Inside the Merton built-up area; Public transport access: PTAL 3 (moderate), 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, the Planning Inspectorate, 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.

Building

Floor area131 m² (1,410 sq ft)
Energy ratingC (71 out of 100), could reach B
PropertyEnd-terrace house, 6 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in September 2024, 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
SW18 4RW
Received
16 Apr 2025
Validated
4 Jun 2025
Ward
Wimbledon Park
Parish
Historic
Case officer
Show
Target decision
30 Jul 2025
Decision
Withdrawn By Applicant
Decision date
10 Sept 2025
Decision level
Withdrawn-Council
Applicant
Show
Agent
Ashton Paul Consult

Consultation & key dates

Committee
10 Sept 2025
Statutory expiry
30 Jul 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

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.