66 Cathnor Road, London, W12 9JA Data via plota.co.uk

P/2026/01663/FUL REGISTERED: Under Assessment

Proposal

Replacement of existing single glazed timber framed windows and doors to the front elevation with new double glazed timber framed windows and doors; replacement of existing single glazed timber framed windows to the rear elevation with new double glazed uPVC framed windows; and replacement of existing single glazed timber framed door to the side of the existing back addition at lower ground floor level with a new double glazed uPVC framed door. Data via plota.co.uk

View original council record ↗Last checked

Application progress

Received
1 Jul 2026
Decision
Expected by 26 Aug 2026

This application is under consideration - no decision has been issued yet. Plota predicted a decision around 14 Sept 2026; it is now day 75. The consultation period closed on 19 Aug 2026.

Documents 20

All documents on the council site ↗

Site constraints 5

Flood zone 3, rivers and sea
High chance: a 1 in 100 or greater annual chance from rivers, or 1 in 200 from the sea. Any development here needs a flood risk assessment. Defences are not counted.
The Environment Agency flood map for planning. Homes in zone 3 must also pass the sequential test. Surface water flooding is a separate map.
Flood map ↗
Air quality management area: Hammersmith and Fulham 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 ↗
Conservation area 18 m away: Coningham and Lime Grove
The edge of the area; work outside it can still affect its setting.
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.
Also on the record
1 listed building within 150 m; Inside the Hammersmith and Fulham built-up area.
Not affected
Not green belt · No scheduled monument at the site

Checked on 11 September 2026. 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.

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Important details

Postcode
W12 9JA
Validated
1 Jul 2026
Ward
Coningham
Case officer
Show
Applicant
Show

Decision outlook

Day 75, past the statutory target. 76% of extensions in Hammersmith and Fulham are decided within thirteen weeks, which runs to 30 Sept 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 12 Sept 2026.

Day 7519 days past the 56-day target
44%decided within 8 weeks
98%approved
244decided in the last year

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

Consultation & key dates

Consultation
19 Jul 2026
Comments by
19 Aug 2026
Site or press notice
29 Jul 2026
Statutory expiry
26 Aug 2026
Hammersmith and Fulham
Planning Authority Score
3.7/10
Below average
#210 of 296 councils
Relevant to this application:
Householder decisions

Hammersmith and Fulham is one of the slowest councils in England for householder decisions, ranking #281 out of 296. The council extends the time limit on 63% of applications - one of the highest rates in England. Expect your application to take longer than the standard deadline. Householder applications are more likely to be approved here than most councils, with a 99% approval rate vs 90% nationally.

Among the slowest councils in England
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Hammersmith and Fulham decision statistics
Based on MHCLG data, the year to March 2026
95%
Overall approval rate
Above avg (87%) #20 of 296
99%
Householder approved
Above avg (90%) #4 of 296
33%
Decided in 8 weeks
Below avg (63%) #281 of 296
63%
Extended time limit
Above avg (41%) #275 of 296
97%
Minor dwellings approved
209 decided (1-9 homes)
100%
Major dwellings approved
1 decided (10+ homes)
92%
Change of use approved
37 decided
1,321
Total decisions
60 refused in the year to March 2026