12 - 26 Trevanion Road, London W14 9BJ Data via plota.co.uk

P/2026/02390/CLP - Certificate of Lawfulness Proposed REGISTERED: Under Assessment

Proposal

Replacement of the existing external cladding with an A2-s1,d0 rated cladding system; replacement of the existing decking with an A1 rated decking system matching the existing appearance; replacement of the existing brise soleil with an A2 rated system matching the existing design and arrangement; installation of fire stopping to final exit doors serving dwellings accessed from the communal walkway; Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
15 Sept 2026
✓
Validated
16 Sept 2026
Decision
Expected by 11 Nov 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision between 18 Nov 2026 and 7 Dec 2026, from Hammersmith and Fulham's recent extensions.

Documents 22

Plans & drawings 18

PDF LocationPlan.pdf Drawing · 15 Sept 2026 View ↗ PDF tr-atp-xx-01-d-a-10100 - proposed plan.pdf Drawing · 15 Sept 2026 View ↗ PDF tr-atp-xx-01-d-a-10000 - existing plan.pdf Existing Drawings · 15 Sept 2026 View ↗ PDF tr-atp-xx-xx-d-a-00006- existing & proposed materials elevations.pdf Other Reports · 15 Sept 2026 View ↗ PDF tr-atp-xx-xx-d-a-20000 - existing elevations.pdf Other Reports · 15 Sept 2026 View ↗ PDF tr-atp-xx-xx-d-a-00004 - existing elevations.pdf Other Reports · 15 Sept 2026 View ↗ PDF tr-atp-xx-xx-d-a-20100- proposed elevations.pdf Other Reports · 15 Sept 2026 View ↗ PDF tr-atp-xx-xx-d-a-00005 - proposed elevations.pdf Other Reports · 15 Sept 2026 View ↗ PDF tr-atp-xx-xx-d-a-82006-proposed brie soliel profile head section detail.pdf Drawing · 15 Sept 2026 View ↗ PDF tr-atp-xx-xx-d-a-82001-proposed weatherboard decking section detail.pdf Drawing · 15 Sept 2026 View ↗ PDF tr-atp-xx-xx-d-a-82002-proposed weatherboard head section detail.pdf Drawing · 15 Sept 2026 View ↗ PDF tr-atp-xx-xx-d-a-81002-proposed weatherboard typical plan detail.pdf Drawing · 15 Sept 2026 View ↗ PDF tr-atp-xx-xx-d-a-81001-proposed weatherboard door jamb plan detail.pdf Other Reports · 15 Sept 2026 View ↗ PDF tr-atp-xx-xx-d-a-82005-proposed brie soleil profile decking section detail.pdf Drawing · 15 Sept 2026 View ↗ PDF tr-atp-xx-xx-d-a-82004-proposed weatherboard door head section detail.pdf Drawing · 15 Sept 2026 View ↗ PDF tr-atp-xx-xx-d-a-30000 - existing external wall section.pdf Drawing · 15 Sept 2026 View ↗ PDF tr-atp-xx-xx-d-a-82003-proposed weatherboard door threshold decking section detail.pdf Drawing · 15 Sept 2026 View ↗ PDF Detail Drawing_included_in_Other relevant information.pdf Drawing · 15 Sept 2026 View ↗

All documents on the council site ↗

Site constraints 4

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 ↗
Gunter Estate 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.
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 ↗
Also on the record
Inside the Hammersmith and Fulham built-up area.
Not affected
Not green belt · No listed building at the site · No scheduled monument at the site

Checked on 25 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

Application type
Certificate of Lawfulness Proposed
Postcode
W14 9BJ
Received
15 Sept 2026
Validated
16 Sept 2026
Ward
Avonmore
Case officer
Show
Applicant
Show

Decision outlook

Day 18 of the 56-day target. Hammersmith and Fulham usually decides extensions by day 72.

Day 1854 days to the predicted decision (day 72)
27%decided within 8 weeks
98%approved
380decided 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
16 Sept 2026
Statutory expiry
11 Nov 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