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Planning application

54 Cornwallis Grove London N9 0JS

Refused Enfield 26/02396/CEA Cert of Lawful Use/Operation - Proposed

Works: Extension Loft or dormer Small domestic

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

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Single storey rear extension, single storey side infill extension, rear dormer, dormer to rear outrigger and front roof lights.

As published by the council, reference 26/02396/CEA

Application record

Reference
26/02396/CEA
Type
Cert of Lawful Use/Operation - Proposed
Status
Decided
Decision
Refused
Received
8 Jun 2026
Validated
24 Jun 2026
Decided
19 Aug 2026
Ward
Lower Edmonton
Decision by
Delegated Decision
Postcode
N9 0JS

Site history

Applications at this address on the Enfield register

This site has had 3 applications since 2026: 0 approved, 1 refused.

  • 26/04093/PRH Decided

    54 Cornwallis Grove London N9 0JS

    Single storey rear extension 6m deep x 3m high (3m high to eaves) and single storey rear extension 3m deep x 3m high (3m high to eaves).

    Submitted 24 Sep 2026
  • 26/04091/CEA Awaiting decision

    54 Cornwallis Grove London N9 0JS

    Rear dormer, dormer to rear outrigger and front roof lights.

    Submitted 24 Sep 2026

Timeline

Dates from the published record

  1. 8 Jun 2026

    Received by Enfield

  2. 24 Jun 2026

    Validated

    Checked as complete and ready for consideration.

  3. 26 Jul 2026

    Added to PlanIndex

  4. 9 Aug 2026

    Status changed to Awaiting decision

    Previously Application in Progress.

  5. 19 Aug 2026

    Decision issued: Refused

Who's behind it

Company information only, from the register and Companies House

MY Planning Consultancy Limited Agent, a planning consultancy registered in London

Active · incorporated 2022 · London

27 applications on PlanIndex · across 6 councils · 62% 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

Documents

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

5 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.

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What this refusal means

Enfield refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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

  • 50 Bath Road London N9 0JU

    22/01862/CEA Submitted 26 May 2022 50 yards away

    Single storey extensions and rear dormer and rooflights to front.

    Granted Lawful development Extension Loft or dormer 11 docs
    Small domestic

  • 45 Cornwallis Grove London N9 0JR

    24/00868/FUL Submitted 18 Mar 2024 50 yards away

    Change of use from Use Class C3 (dwelling house) to Use Class C4 (house in multiple occupation) (retrospective).

    Granted Full applications 18 docs
    Domestic

  • 54 Cornwallis Grove London N9 0JS

    26/04093/PRH Submitted 24 Sep 2026 50 yards away

    75% historically approved · decision due ~19 Nov

    Single storey rear extension 6m deep x 3m high (3m high to eaves) and single storey rear extension 3m deep x 3m high (3m high to eaves).

    Decided Extension
    Small domestic

  • 54 Cornwallis Grove London N9 0JS

    26/04091/CEA Submitted 24 Sep 2026 50 yards away

    75% historically approved · decision due ~19 Dec

    Rear dormer, dormer to rear outrigger and front roof lights.

    Awaiting decision Extension Loft or dormer 3 docs

  • 41 Exeter Road London N9 0LB

    26/02618/FUL Submitted 19 Jun 2026 100 yards away

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

    Granted Full applications Extension Loft or dormer 8 docs
    Small domestic

  • 2 Cornwallis Avenue London N9 0JP

    26/03038/PRH Submitted 17 Jul 2026 100 yards away

    Single storey rear extension 6m deep x 2.4m high (2.4m high to eaves).

    Granted Extension
    Small domestic

In Enfield

  • 26/02977/CEA Granted

    89 Wilbury Way London N18 1BX

    Single storey rear extension, rear dormer and front rooflights.

    Received 13 Jul, published by the council 25 Jul 2026 Lawful development
  • 26/02934/CEA Granted

    2 St Andrews Road London N9 8DB

    Extension of roof at side to form gable, rear dormer and front roof lights.

    Received 10 Jul, published by the council 25 Jul 2026 Lawful development
  • 26/02994/CEA Granted

    88 Greenwood Avenue Enfield EN3 5DX

    Rear dormer with front rooflights.

    Received 15 Jul, published by the council 25 Jul 2026 Lawful development
  • 26/02921/CEA Granted

    40 Woodstock Crescent London N9 7LY

    Rear dormer with front roof lights.

    Received 10 Jul, published by the council 25 Jul 2026 Lawful development
  • 26/02940/CEA Granted

    53 Clarence Road Enfield EN3 4BN

    Rear dormer, dormer to rear outrigger and front roof lights.

    Received 10 Jul, published by the council 25 Jul 2026 Lawful development