101 Gaskarth Road SW12 9NP Data via plota.co.uk

2026/2101 - Certificate of Lawfulness - Proposed Refused

Proposal

Alteration including erection of single-storey side/rear extension. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
5 Jun 2026
✓
Validated
27 Jul 2026
✗
Refused
9 Sept 2026
Appeal
Not lodged

Refused on 9 Sept 2026 · Delegated Standard · Last checked 2 Oct 2026

Site constraints 6

Heliport CAA Height Restrictions
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: Wandsworth 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 ↗
Heliport CAA Height RestrictionsCouncil record
Recorded by the council for this site.
Council site ↗
Also on the record
Local nature reserve 455 m away: Clapham Common; Inside the Wandsworth 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 27 October 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.

Building

Floor area135 m² (1,453 sq ft)
Energy ratingD (65 out of 100), could reach B
PropertyMid-terrace house, 7 habitable rooms
BuiltBefore 1900
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in September 2021, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Wandsworth
Application type
Certificate of Lawfulness - Proposed
Postcode
SW12 9NP
Received
5 Jun 2026
Validated
27 Jul 2026
Ward
Balham
Case officer
Show
Target decision
21 Sept 2026
Decision
Refuse
Decision date
9 Sept 2026
Decision level
Delegated Standard
Applicant
Show
Agent
Uppal Design

How this decision compares

Decided in 44 days from validation, 4 days faster than Wandsworth's median of 48 for extensions. Refused, as 12% of extensions here are.

79%decided within 8 weeks
88%approved
1,194decided in the last year

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

Consultation & key dates

Alt. reference
14990737
Statutory expiry
27 Jul 2026
Wandsworth
Planning Authority Score
4.8/10
Below average
#164 of 296 councils
Relevant to this application:
Householder decisions

Wandsworth ranks #172 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
Wandsworth decision statistics
Based on MHCLG data, the year to March 2026
90%
Overall approval rate
Above avg (87%) #120 of 296
92%
Householder approved
Above avg (90%) #168 of 296
62%
Decided in 8 weeks
Below avg (63%) #172 of 296
37%
Extended time limit
Below avg (41%) #124 of 296
89%
Minor dwellings approved
680 decided (1-9 homes)
81%
Major dwellings approved
16 decided (10+ homes)
72%
Change of use approved
36 decided
2,062
Total decisions
206 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.