Planning application
21B Newnham Gardens Northolt UB5 4LL
Works: Extension Loft or dormer
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 roof extension with Juliet Balcony; installation of three front rooflights (Lawful Development Certificate for a Proposed Development)
As published by the council, reference 261291CPL
Application record
- Reference
- 261291CPL
- Type
- Certificate of Lawfulness - Proposed
- Status
- Permitted Development
- Decision
- Permitted Development
- Received
- 26 Mar 2026
- Validated
- 26 Mar 2026
- Decided
- 8 May 2026
- Ward
- Central Greenford
- Decision by
- Delegated Decision
- Postcode
- UB5 4LL
Site history
Applications at this address on the Old Oak and Park Royal Development Corporation register
This site has had 2 applications since 2026: 2 approved, 0 refused.
-
261292HH Granted
21B Newnham Gardens Northolt UB5 4LL
Single storey front extension (following demolition of garage); single storey side/rear wraparound extension (following demolition of existing shed) and installation of three rooflights to the single storey side/rear wraparound extension.
Timeline
Dates from the published record
-
26 Mar 2026
Received by Old Oak and Park Royal Development Corporation
-
8 May 2026
Decision issued: Permitted Development
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, registered in Dunstable
94 applications on PlanIndex · across 16 councils · 91% granted
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
8 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Old Oak and Park Royal Development Corporation granted permission on 8 May 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 500 metres
-
21B Newnham Gardens Northolt UB5 4LL
Single storey front extension (following demolition of garage); single storey side/rear wraparound extension (following demolition of existing shed) and installation of three rooflights to the single storey side/rear wraparound extension.
Granted Householder Extension Loft or dormer +1 11 docsSmall domestic -
21B Newnham Gardens Northolt UB5 4LL
Alteration of roof from hip to gable end, rear roof extension with Juliet Balcony; installation of three front rooflights (Lawful Development Certificate for a Proposed Development)
Granted Lawful development Extension Loft or dormer 8 docs -
21B Newnham Gardens Northolt UB5 4LL
Single storey front extension (following demolition of garage); single storey side/rear wraparound extension (following demolition of existing shed) and installation of three rooflights to the single storey side/rear wraparound extension.
Granted Householder Extension Loft or dormer +1 11 docsSmall domestic -
7 Newnham Gardens Northolt Middlesex UB5 4LL
Single storey side extension; single storey rear extension (following demolition of existing rear addition) (Lawful Development Certificate for Proposed Development)
Granted Lawful development Extension Demolition 8 docsSmall domestic -
7 Newnham Gardens Northolt Middlesex UB5 4LL
Single storey side extension; single storey rear extension (following demolition of existing rear addition) (Lawful Development Certificate for Proposed Development)
Granted Lawful development Extension Demolition 8 docsSmall domestic -
7 Girton Road Northolt UB5 4SP
Alteration of roof from hip to gable end; rear dormer roof extension incorporating Juliet balcony; installation of three rooflights to front roofslope; and associated internal and external alterations (Lawful Development Certificate for a Proposed Development)
Granted Lawful development Extension Loft or dormer 12 docs
Other lawful development applications
In Old Oak and Park Royal Development Corporation
-
262843CPL Refused
29 Nutfield Gardens Northolt UB5 6LU
Alteration of roof from hip to gable end, rear roof extension; installation of three front rooflights (Lawful Development Certificate for a Proposed Development)
-
262774CPL Granted
133 Cleveland Road West Ealing W13 0EN
Alteration of roof from hip to gable end and rear roof extension; rear dormer enlargement; installation of three rooflights to front roofslope (Lawful Development Certificate for a Proposed Development)
-
262610CPL Refused
6 Morden Gardens Greenford UB6 0LT
Single storey rear extension (following demolition of rear addition) (Lawful Development Certificate for a Proposed Development)
-
262475CPL Granted
80 Windmill Lane Greenford UB6 9DS
Rear roof extension, and installation of three roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)
-
262678CPL Granted
19 Southwell Avenue Northolt UB5 4DX
Rear roof extension; installation of three front rooflights (Lawful Development Certificate for a Proposed Development)