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Planning application

Triangle House 305 - 315 Green Lanes London N13 4YB

Granted Enfield 25/01646/FUL Full

Works: New dwelling Extension

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Erection of an additional storey and three storey rear extension to facilitate 6x self-contained flats.

As published by the council, reference 25/01646/FUL

Application record

Reference
25/01646/FUL
Type
Full
Status
Decided
Decision
Granted As published: S106 - Granted with Conditions
Received
6 May 2025
Validated
14 May 2025
Decided
1 Jul 2026
Ward
Palmers Green
Decision by
Delegated Decision
Postcode
N13 4YB

Site history

Applications at this address on the Enfield register

This site has had 2 applications since 2025: 1 approved, 0 refused.

  • 26/04481/CND Awaiting decision

    Triangle House 305 - 315 Green Lanes London N13 4YB

    Details submitted pursuant to reference: 25/01646/FUL: external material (3), Construction Management Plan (7) in respect of erection of an additional storey and three storey rear extension to facilitate 6x self-contained flats.

    Submitted 22 Oct 2026

Timeline

Dates from the published record

  1. 6 May 2025

    Received by Enfield

  2. 14 May 2025

    Validated

    Checked as complete and ready for consideration.

  3. 1 Jul 2026

    Decision issued: S106 - Granted with Conditions

  4. 26 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

1 later application on the register refers to this one:

  • 26/04481/CND Awaiting decision

    Triangle House 305 - 315 Green Lanes London N13 4YB

    Details submitted pursuant to reference: 25/01646/FUL: external material (3), Construction Management Plan (7) in respect of erection of an additional storey and three storey rear extension to facilitate 6x self-contained flats.

    Submitted 22 Oct 2026

Documents

Plans, drawings, consultee responses and the officer's report

26 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 documents

What this grant of permission means

Enfield granted permission on 1 July 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 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

  • Triangle House 305 - 315 Green Lanes London N13 4YB

    26/04481/CND Submitted 22 Oct 2026 50 yards away

    75% historically approved · decision due ~17 Dec

    Details submitted pursuant to reference: 25/01646/FUL: external material (3), Construction Management Plan (7) in respect of erection of an additional storey and three storey rear extension to facilitate 6x self-contained flats.

    Awaiting decision New dwelling Extension
  • 2 - 4 Aldermans Hill London N13 4PH

    26/02534/CND Submitted 15 Jun 2026 50 yards away

    Details submitted pursuant to reference 25/02936/FUL for materials (3) in respect of the subdivision and creation of 2 x dedicated commercial entrances, providing 2 x commercial units at ground floor level with commercial/ office space to the existing upper floors, involving part infill rear/side extension at first floor level and associated internal alterations.

    Granted Extension
  • 323 Green Lanes London N13 4TY

    22/01146/CEU Submitted 1 Apr 2022 50 yards away

    Use of ground floor from bakery (Class E) to Cafe / Restaurant (Class E).

    Granted Lawful development 7 docs
  • Fitzrovia House 329 Green Lanes London N13 4TY

    22/01944/FUL Submitted 31 May 2022 50 yards away

    Change of use of part of ground floor, from shop storage area into a self-contained flat at rear (RETROSPECTIVE).

    Refused Full applications 10 docs
  • 240 - 244 Green Lanes London N13 5TU

    26/03730/NMA Submitted 2 Sep 2026 50 yards away

    80% historically approved · decision due ~16 Nov

    Non material amendment to Ref: 25/00786/FUL to allow changes to the internal configuration.

    Decided Amendments
  • 256- 258 Green Lanes London N13 5TU

    26/03833/PMA Submitted 9 Sep 2026 50 yards away

    75% historically approved · decision due ~4 Nov

    Change of use from office (Class E) to part rear ground floor into 1no x residential flat with conversion of upper floor into 2no x flats (Class C3).

    Awaiting decision New dwelling

In Enfield

  • 26/04597/FUL Awaiting decision

    20 Brettenham Road London N18 2ET

    Change of use from Use Class C3 (dwelling house) to Use Class C4 (HMO-house in multiple occupation) with associated amenity, cycle and refuse storage (PART RETROSPECTIVE).

    Received 29 Oct, published by the council 4 Nov 2026 Full applications
  • 26/04568/FUL Awaiting decision

    1 Charnwood Road Enfield EN1 4QP

    Change of use from Use Class C3 (dwelling house) to Use Class C4 (HMO-house in multiple occupation) with single storey rear extension, rear dormer, front roof lights, associated amenity, cycle and refuse storage.

    Received 27 Oct, published by the council 3 Nov 2026 Full applications
  • 26/04544/FUL Awaiting decision

    19 Rylston Road London N13 5NQ

    Change of use from Use Class C3 (dwelling house) to Use Class C4 (HMO-house in multiple occupation) for up to 6 persons with associated amenity, refuse and cycle storage involving single storey rear extension and rear dormer with front roof lights.

    Received 27 Oct, published by the council 3 Nov 2026 Full applications
  • 26/04543/FUL Awaiting decision

    13 Glenville Avenue Enfield EN2 0ER

    Change of use from Use Class C3 (dwelling house) to Use Class C4 (house in multiple occupation - HMO) for up to six persons with associated amenity, refuse and cycle storage involving single storey rear extension, rear dormer, front roof lights and changes to the right side elevation.

    Received 27 Oct, published by the council 3 Nov 2026 Full applications
  • 26/03830/FUL Refused

    28 Worcesters Avenue Enfield EN1 4NE

    Change of use from dwelling house (Class C3) to HMO-house in multiple occupation (Class C4) for up to 6 persons, including single-storey rear extension, rear dormer with front roof lights, with associated amenity, refuse and cycle storage.

    Received 8 Sep, published by the council 15 Sep 2026 Full applications