Planning application
55 Summit Road Northolt UB5 5HL
Works: Extension Loft or dormer Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Alteration of roof from hip to gable end; rear dormer roof extension (involving conversion of roofspace to habitable use), alterations to side elevation fenestration and installation of two rooflights to front roofslope (Application for a Lawful Development Certificate for a Proposed Development)
As published by the council, reference 260674CPL
Application record
- Reference
- 260674CPL
- Type
- Certificate of Lawfulness - Proposed
- Status
- Permitted Development
- Decision
- Granted As published: Permitted Development
- Received
- 17 Feb 2026
- Validated
- 17 Feb 2026
- Decided
- 13 Mar 2026
- Ward
- Northolt Mandeville
- Decision by
- Delegated Decision
- Postcode
- UB5 5HL
Timeline
Dates from the published record
-
17 Feb 2026
Received by Old Oak and Park Royal Development Corporation
-
13 Mar 2026
Decision issued: Permitted Development
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Rkitek Design Ltd Agent, a design practice registered in Northolt
Active · incorporated 2019 · Northolt
28 applications on PlanIndex · across 6 councils · 74% granted
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
8 documents on file for this application
- OFFICERS REPORT
- DECISION NOTICE
- APPLICATION FORM
- LOCATION PLAN
- EXISTING FLOOR PLANS
- EXISTING ELEVATION PLANS
- PROPOSED FLOOR PLANS
- PROPOSED ELEVATION PLANS
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Old Oak and Park Royal Development Corporation granted permission on 13 March 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. 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
-
55 Summit Road Northolt UB5 5HL
Alteration of roof from hip to gable end; rear dormer roof extension (involving conversion of roofspace to habitable use), alterations to side elevation fenestration and installation of two rooflights to front roofslope (Application for a Lawful Development Certificate for a Proposed Development)
Granted Lawful development Extension Loft or dormer +1 8 docs -
38 Summit Road Northolt Ealing UB5 5HL
Alteration of roof from hip to gable end; rear roof extension and installation of two roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)
Granted Lawful development Extension Loft or dormer 10 docs -
38 Summit Road Northolt Ealing UB5 5HL
Single storey rear extension (max 6m deep and max 3m high) (following demolition of existing rear addition) (42 Days Prior Approval Notification Process)
Granted Prior approval Extension Demolition 7 docsSmall domestic -
Barclays Data Centre Rowdell Road Northolt UB5 6AG
Details of external sound level emitted from plant / machinery / equipment and mitigation measures pursuant to condition 3 of planning permission ref: 194638FUL dated 19/12/2019 for: Replacement of 12 existing chiller units with 9 new chiller units and associated works
Refused Conditions 4 docs -
59 Court Farm Road Northolt UB5 5HQ
Single storey (Max 6m deep and Max 2.60m high) rear extension (42 day Prior Approval Notification Process)
Granted Prior approval Extension 10 docsSmall domestic -
59 Court Farm Road Northolt UB5 5HQ
Single storey (Max 6m deep and Max 2.60m high) rear extension (42 day Prior Approval Notification Process)
Granted Prior approval Extension 10 docsSmall domestic
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)