Planning application
314B Uxbridge Road Acton W3 9QP
Works: Loft or dormer Windows or glazing
Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.
Proposal
Conversion of roofspace of the second floor flat into a self contained flat; incorporating rear roofslope dormer windows x 3 (Lawful Development Certificate for an Existing Use)
As published by the council, reference 261270CPE
Application record
- Reference
- 261270CPE
- Type
- Certificate of Lawfulness - Existing
- Status
- Refused
- Decision
- Refused
- Received
- 24 Mar 2026
- Validated
- 25 Mar 2026
- Decided
- 20 May 2026
- Ward
- North Acton
- Decision by
- Delegated Decision
- Postcode
- W3 9QP
Timeline
Dates from the published record
-
24 Mar 2026
Received by Old Oak and Park Royal Development Corporation
-
25 Mar 2026
Validated
Checked as complete and ready for consideration.
-
20 May 2026
Decision issued: Refused
-
10 Aug 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
- Appeal: 260078REFLDC (Appeal In Progress)
Who's behind it
Company information only, from the register and Companies House
Proportion Design Studio Agent, a design practice
7 applications on PlanIndex · across 3 councils
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
13 documents on file for this application
- OFFICERS REPORT
- DECISION NOTICE
- DECISION NOTICE
- LAMPOST LOCATIONS
- NEIGHBOUR SITE NOTICE
- APPLICATIONFORMREDACTED
- 314 SITE PLAN-300
- 314 PRE EXISTING FLOOR PLANS-301
- 314 PRE EXISTING ELEVATIONS-303
- 314 PRE EXISTING ELEVATIONS-302
- 314 EXISTING FLOOR PLANS-304
- 314 EXISTING ELEVATIONS-305
- 314 EXISTING ELEVATIONS-306
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this refusal means
Old Oak and Park Royal Development Corporation refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.
About lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
314B Uxbridge Road Acton W3 9QP
Conversion of roofspace of the second floor flat into a self contained flat; incorporating rear roofslope dormer windows x 3 (Lawful Development Certificate for an Existing Use)
Refused Lawful development Loft or dormer Windows or glazing 13 docs -
324 Uxbridge Road Acton W3 9QP
Continuous use third floor existing studio flat (Lawful Development Certificate for an Existing Development)
Refused Lawful development 12 docs -
324 Uxbridge Road Acton W3 9QP
Continuous use third floor existing studio flat (Lawful Development Certificate for an Existing Development)
Refused Lawful development 12 docs -
Flat The Chatsworth 290 High Street Acton London W3 9BJ
Details of external materials in pursuant to condition 3 of planning application Ref: PP/2014/5272 dated 27/05/2020 for 'Demolition of existing public house in association with redevelopment to provide four storey, including basement level, mixed use building for new public house (A4) at ground floor and basement level; 9 flats (8 x 1 bedroom and 1 x 3 bedroom) at first, second and third floor levels and private amenity space.'
Granted Conditions New dwelling Demolition 6 docsSeveral homes -
8 Chatsworth Gardens Acton W3 9LN
Details of enhanced sound insulation pursuant to condition 8 of planning permission ref: 244204FUL dated 20/06/2025 for: Conversion of a dwellinghouse (Use Class C3) to a large HMO (sui generis) comprising 9 bedrooms for a maximum of 10 residents (Use Class Sui Generis) with provision of cycle storage and refuse storage; installation of one rooflight to front roofslope and extension to rear roof extension
Granted Conditions Extension Loft or dormer 16 docsDomestic -
8 Chatsworth Gardens Acton W3 9LN
Details of enhanced sound insulation pursuant to condition 8 of planning permission ref: 244204FUL dated 20/06/2025 for: Conversion of a dwellinghouse (Use Class C3) to a large HMO (sui generis) comprising 9 bedrooms for a maximum of 10 residents (Use Class Sui Generis) with provision of cycle storage and refuse storage; installation of one rooflight to front roofslope and extension to rear roof extension
Granted Conditions Extension Loft or dormer 16 docsDomestic
Other lawful development applications
In Old Oak and Park Royal Development Corporation
-
263142CPL Granted
42 Gloucester Road Acton W3 8PD
Roof extension to rear (main) roof slope; part rear roof extension to rear outrigger roof slope and installation of two roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)
-
263690CPL Awaiting decision
133 Trinity Road Southall UB1 1ES
Rear roof extension, and installation of three roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)
-
262683CPE Granted
1 Speldhurst Road Chiswick W4 1BX
Continuous use of conversion of the roof space to provide additional habitable accommodation, installation of rooflights to the front roof slope and a rear dormer and construction of a single-storey rear extension. External materials to match the existing dwelling (Lawful Development Certificate for an Existing Development)
-
254066CPE Refused
37 Robin Hood Way Greenford UB6 7QN
Use of ground floor flat and first/second floor flat (Use Class C3) as 2 x House in Multiple Occupation (Use Class C4) (Certificate of Lawfulness for an Existing Use)
-
262883CPL Granted
90 Church Road Hanwell W7 3BE
Rear roof extension (following removal of chimney); installation of two rooflight to front roofslope (Lawful Development Certificate for a Proposed Development)