Skip to content
PlanIndex Get alerts
Menu

Planning application

Neptune House 2A Alexandra Grove London N12 8NU

Awaiting decision Barnet 26/3600/FUL Full applications

Works: Extension Loft or dormer Small domestic

Read from the description, not a valuation. How we read the register

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Single-storey upward mansard roof extension to provide additional Class E office accommodation, with a recessed balcony within the roof slope, associated internal alterations including a new passenger lift

As published by the council, reference 26/3600/FUL

Application record

Reference
26/3600/FUL
Category
Full applications
Status
Pending Consideration
Received
5 Oct 2026
Validated
6 Oct 2026
Ward
West Finchley
Postcode
N12 8NU

Comment by 5 November 2026

The council is taking comments on this application until then. Comments go to Barnet through their own planning portal.

Timeline

Dates from the published record

  1. 5 Oct 2026

    Received by Barnet

  2. 6 Oct 2026

    Validated

    Checked as complete and ready for consideration.

  3. 6 Oct 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 1 December 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

UPP Architects + Town Planners Agent, an architecture practice

159 applications on PlanIndex · across 32 councils · 79% 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 record

What 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

  • 16 Alexandra Grove London N12 8NU

    25/3694/192 Submitted 8 Sep 2025 50 yards away

    80% historically approved · decision due ~7 Nov

    Conversion of existing garage into habitable room, insertion of windows and door to replace garage door

    Awaiting decision Lawful development Windows or glazing 5 docs

  • 273 Ballards Lane London N12 8NR

    26/1801/ADV Submitted 13 May 2026 50 yards away

    Installation of various signage including 4no. internally illuminated LED building letters to front and side elevation. 2no. non illuminated fascia signs, 1no. internally illuminated totem pile. Installation of 1no. frosted W, 4no. window vinyls Installation of 3no. wall mounted signs and various car park signage

    Granted Advertising Windows or glazing 5 docs

  • 273 Ballards Lane London N12 8NR

    26/2019/FUL Submitted 1 Jun 2026 50 yards away

    Installation of a minivac plant within an acoustic enclosure to the existing service yard

    Refused Full applications 14 docs

  • 273 Ballards Lane London N12 8NR

    26/1132/FUL Submitted 25 Mar 2026 100 yards away

    Removal of existing plant units at 1st floor roof level and installation of 1no. new Dry Air Cooler unit and 8no. new LT & HT CUBO Condenser units at existing 1st floor roof level

    Granted Full applications 13 docs

  • 273 Ballards Lane London N12 8NR

    26/1386/FUL Submitted 15 Apr 2026 100 yards away

    Part removal of the existing façade shopfront ground floor level and installation of a new On Demand Grocery Hatch including replacement of window

    Granted Full applications Windows or glazing 15 docs

  • 273 Ballards Lane London N12 8NR

    26/2907/FUL Submitted 5 Aug 2026 100 yards away

    Installation of a minivac plant housed within an acoustic enclosure to the existing service yard

    Granted Full applications 13 docs

In Barnet

  • 26/3828/FUL Awaiting decision

    41 - 43 Sneath Avenue London NW11 9AJ

    Part single, part two storey rear extensions to both properties following the demolition of the single storey rear extension at no.43

    22 Oct 2026 Full applications
  • 26/3829/FUL Awaiting decision

    369 Watford Way London NW4 4TE

    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

    22 Oct 2026 Full applications
  • 26/3812/FUL Awaiting decision

    Ground Floor Battle House Mews 1 East Barnet Road Barnet EN4 8RR

    Erection of front canopy for fruit and vegetables area and installation awning and shutter box

    Received 21 Oct, published by the council 22 Oct 2026 Full applications
  • 26/3821/FUL Awaiting decision

    170 Long Lane London N3 2RA

    Roof extension with rear dormer windows and 5no. rooflights to provide 1no. self-contained flat

    21 Oct 2026 Full applications
  • 26/3794/FUL Awaiting decision

    283 Cricklewood Lane London NW2 2JJ

    Change of use of the property from a single family dwelling (Class C3) to a House in Multiple Occupation (HMO) (Sui generis) for up to 7 people. Associated refuse/recycling and cycle storage

    20 Oct 2026 Full applications