Planning application
54 Percy Road London N12 8BU
Works: Extension Loft or dormer Windows or glazing
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Roof extension involving rear dormer window and 1no. side, 1no. rear and 2no. front facing rooflights. Changes to rear fenestration including new juliette balcony
As published by the council, reference 26/0232/FUL
Application record
- Reference
- 26/0232/FUL
- Type
- Full Application
- Status
- Pending Consideration
- Received
- 21 Jan 2026
- Validated
- 22 Jan 2026
- Ward
- West Finchley
- Postcode
- N12 8BU
Timeline
Dates from the published record
-
21 Jan 2026
Received by Barnet
-
22 Jan 2026
Validated
Checked as complete and ready for consideration.
-
10 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 19 March 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Barnet took a median of 46 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
Lemberg Architecture and Design Ltd Agent, an architecture practice registered in Borehamwood
Active · incorporated 2024 · Borehamwood
5 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
6 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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with Barnet for determination, against a statutory target of eight weeks. Over the last year Barnet decided full applications in a median of 56 days. More in our guide to how long planning decisions take.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
61A Gainsborough Road London N12 8AA
Roof extension with side dormer, rear dormer window with 3no. side, 2no. front and 1no rear facing rooflights and 1no. rooflight on top of crown roof
Granted Full applications Extension Loft or dormer +1 9 docs -
Land Rear Of 35 - 49 Gainsborough Road London N12 8AA
79% historically approved · decision due ~14 Sep
Variation of conditions 1 (Approved Plans), 3 (Levels), 4 (Materials), 5 (Demolition and Construction Management Plan), 6 (Refuse), 7 (Land Contamination), 8 (Landscaping), 9 (Tree Protection), 10 (Green Roof), 11 (Cycle Parking), 12 (Boundary Treatment), 21 (Foundation Design), 22 (Low Impact Lighting), 23 (Biodiversity Enhancement Plan) and 24 (Secured By Design) of planning permission reference 25/1972/FUL dated 05/06/26 for 'Demolition of existing garages and erection of 3no. single storey dwellings with amenity space, refuse/recycling/bicycle enclosures and soft landscaping.' Variation to include: Alterations to building footprints; Amendments to the wording of conditions 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 21, 22, 23, and 24
Decided Demolition Trees 31 docsSmall domestic -
35 Woodside Park Road London N12 8RT
Use as 5no. self-contained flats
Refused Lawful development New dwelling 11 docs -
Garage Blocks Anastasia Mews London N12 8BF
Submission of details of condition 7 (Construction Management and Logistics Plan) 9 (Excavation for services) 10 (Tree Protection and Method Statement) pursuant to planning permission 24/2297/FUL dated 21/05/2025
Granted Conditions Trees 10 docs -
Garage Blocks Anastasia Mews London N12 8BF
Submission of details of conditions 3 (External material) 8 (Levels) pursuant to planning permission 24/2297/FUL dated 21/05/2025
Granted Conditions 6 docs -
St Michaels Catholic Grammar School Nether Street London N12 7NJ
Submission of details of condition 19 (Contaminated Land) pursuant to planning permission 23/0227/FUL dated 13/09/2024
Granted Conditions 5 docs
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26/3828/FUL Awaiting decision
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Change of use of the existing dwelling (Use Class C3) to a 11 bed 11 Person HMO (House in Multiple Occupation) (Use Class Sui Generis) including part single, part two storey side and rear extensions and roof extension involving rear dormer window. Associated refuse/recycling storage, cycle parking, landscaping and external amenity space