52 Mellitus Street, London, W12 0AS Data via plota.co.uk

P/2026/02597/HH - Householder Application REGISTERED: Under Consultation
Extensions & alterations

Proposal

Erection of a rear dormer roof extension (approved under ref: P/2026/01453/FUL); erection of a rear extension, over part of the approved ground floor back addition; erection of a single storey rear extension (approved under ref: P/2026/01443/FUL). Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
12 Oct 2026
✓
Validated
21 Oct 2026
Decision
Expected by 16 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 25 Dec 2026 and 13 Jan 2027, from Hammersmith and Fulham's recent extensions.

Comments are open until 18 Nov 2026

Comment on this application ↗

Documents 8

Statements & assessments 1

PDF Design and Access Statement Design & Access Statement · 20 Oct 2026 View ↗

Plans & drawings 4

PDF Location Plan Drawing · 20 Oct 2026 View ↗ PDF Site Plan Drawing · 20 Oct 2026 View ↗ PDF PR 1ST FL 01 Existing Plans, Elevations and Sections and Proposed Roof Plan Drawing · 20 Oct 2026 View ↗ PDF PR 1ST FL 02 Proposed and Previously Approved Drawings Drawing · 20 Oct 2026 View ↗

Application forms 2

PDF Application Form_Redacted Application Form Redacted · 20 Oct 2026 View ↗ PDF CIL Form CIL Application Form · 12 Oct 2026 View ↗

Other documents 1

PDF ACK_VALID_APPLICATION Acknowledgement letter · 21 Oct 2026 View ↗

All documents on the council site ↗

Associated applications 3

Site constraints 7

Old Oak & Wormholt 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.
Local nature reserve 71 m away: Wormwood Scrubs
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.
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
National infrastructure project 1435 m away: Thames Tideway Tunnel; Inside the Hammersmith and Fulham built-up area; Public transport access: PTAL 3 (moderate), TfL 2023, for the 100 m square; Metropolitan Open Land 58 m away.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 22 October 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 area66 m² (710 sq ft)
Energy ratingD (62 out of 100), could reach B
PropertyMid-terrace house, 5 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 2012, the latest held for this property. The building may have changed since. View the certificate

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Other new applications on this street

4 May 2026Withdrawn

52 Mellitus Street,London,Hammersmith And Fulham,W12 0AS

CLP

P/2026/01196/CLP

Nearby new applications

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263078FUL
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6 Cactus Walk, London, W12 0BG

Erection of a single storey rear extension at ground floor level; installation o...

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28 Sept 2026Pending

6 Cactus Walk, London, W12 0BG

Erection of 2no. single storey rear extensions at ground floor level.

P/2026/02483/CLP
21 Sept 2026Pending

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18 Sept 2026Pending

St Katherines Church,Westway,London,Hammersmith And Fulham,W12 0SD

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Important details

Council
Hammersmith and Fulham
Application type
Householder Application
Postcode
W12 0AS
Received
12 Oct 2026
Validated
21 Oct 2026
Ward
College Park And Old Oak
Case officer
Show
Applicant
Show
Agent
Show

Decision outlook

Day 7 of the 56-day target. Hammersmith and Fulham usually decides extensions by day 75.

Day 768 days to the predicted decision (day 75)
25%decided within 8 weeks
98%approved
385decided 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
21 Oct 2026
Comments by
18 Nov 2026
Statutory expiry
16 Dec 2026

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025
8 Osmund Street, London, W12 0AX
Erection of a single storey rear extension with a green sedum roof and a rooflight; erect…
2025/02727/FUL
2025
8 Osmund Street, London, W12 0AX
Erection of a single storey rear extension with a green sedum roof and a rooflight; insta…
2025/02728/FUL
2024
30 Mellitus Street, London, W12 0AS
T1 - Pear - rear garden - Approx. H10 S4 35+DBH - Fell as close as possible to ground lev…
2024/01325/TREE
2024
129 Braybrook Street, London, W12 0AJ
T1 - Ash (Fraxinus excelsior) - rear garden: - reduce entire crown to 1.3m below previous…
2024/00912/TREE
2023
59 Mellitus Street, London, W12 0AU
Tree location - REAR Garden Access - no side access T1 - Approx. H17 S11 56DBH Sycamore C…
2023/02259/TREE
2022 Approved
87 Braybrook Street, London, W12 0AJ
Erection of a single storey rear extension, to the side of the existing back addition; an…
2022/02230/FUL
2021
30 Mellitus Street, London, W12 0AS
Rear garden: T1 - Large Pear - Reduce crown height by 2-3m, pruning back to a suitable se…
2021/03532/TREE
2021 Approved
81 Mellitus Street, London, W12 0AU
Erection of a single storey rear extension, following demolition of the existing single s…
2021/02223/FUL
2021
69 Mellitus Street, London, W12 0AU
Front Garden with access via Communal Gardens: T2 - Medium Cherry (Outside No.69) - Fell…
2021/02921/TREE
2021
59 Mellitus Street, London, W12 0AU
T1 - Medium Cherry (Leaning) , front garden - Fell to ground level - Grind stump to maxim…
2021/02581/TREE
2020 Approved
99 Braybrook Street London W12 0AJ
Rear Garden T1 & T2 - Large - 2 Conifer trees - Fell to Ground Level.T3 - Medium - Conife…
2020/02440/TREE
2020 Approved
75 Braybrook Street London W12 0AL
Erection of a single storey outbuilding in the rear garden following the demolition of ex…
2020/02337/FUL
2020
10 Mellitus Street London W12 0AS
O/S 10 Mellitus Street T5/T6 - 2 x Dead/Dying Sumac - Fell as close as possible to ground…
2020/01960/TREE
2020
129 Braybrook Street London W12 0AJ
rear garden Large Ash tree to be removed
2020/01449/TREE
2018
98 Mellitus Street London W12 0AS
Front garden. Thorn tree leaning into the foot path. Very loose in the ground. This tree…
2018/03789/TREE
2018
Old Oak Primary School Mellitus Street London W12 0AS
G1 Silver Birch: Lift low branches over footpath. T1 Poplar: Fell to ground level. T2 Pop…
2018/03272/TREE
2018 Approved
69 Braybrook Street London W12 0AL
Alterations to the fenestration of the rear elevation at ground floor level with the repl…
2018/01864/FUL
2017 Approved
155 Braybrook Street London W12 0AJ
Rear garden 2 x Black Poplar tree to be removed.
2017/03822/TREE
2017 Approved
153 Braybrook Street London W12 0AJ
Rear garden Black Popular crown reduction 40%.
2017/03149/TREE
2017 Approved
143 Braybrook Street London W12 0AJ
Rear garden Elder (T1) - fell.
2017/02713/TREE
2016 Approved
194 Wulfstan Street London W12 0AD
Erection of a single storey rear extension.
2016/01898/FUL
2016 Approved
107 Mellitus Street London W12 0AU
Installation of a replacement rooflight in rear roofslope.
2016/00790/FUL
2016 Approved
194 Wulfstan Street London W12 0AD
Erection of a single storey rear ground floor extension.
2016/00599/FUL
2016 Approved
99 Mellitus Street London W12 0AU
Replacement of existing single glazed timber sliding sash, casement windows and doors wit…
2016/00627/FUL
2016 Approved
42 Mellitus Street London W12 0AS
Replacement of existing timber and uPVC glazed sliding sash, casement windows and doors w…
2016/00144/FUL
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
Source: MHCLG planning statistics · See full council rankings

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.