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Planning application

12 LONGTON AVENUE, LONDON, SE26 6QJ

Refused Lewisham DC/18/107828 Lawful Development Certificate proposed

Works: Extension Windows or glazing 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

Certificate of Lawfulness (Proposed) for the construction of a single storey rear extension at 12 Longton Avenue, SE26, together with an alteration to the roof of a previous extension, the addition of a new porch, and the insertion of a window in the side wall.

As published by the council, reference DC/18/107828

Application record

Reference
DC/18/107828
Type
Lawful Development Certificate proposed
Status
Decided
Decision
Refused
Received
26 Jun 2018
Validated
5 Jul 2018
Decided
29 Aug 2018
Ward
Sydenham
Decision by
Delegated
Postcode
SE26 6QJ

Site history

Applications at this address on the Lewisham register

This site has had 2 applications since 2018: 1 approved, 1 refused.

  • DC/18/108978 Granted

    12 LONGTON AVENUE, LONDON, SE26 6QJ

    Certificate of Lawfulness (Proposed) for the replacement of an existing rear lean to roof at 12 Longton Avenue, SE26. Incorporating the insertion of two rooflights.

    Decided 20 Nov 2018 Lawful development

Timeline

Dates from the published record

  1. 26 Jun 2018

    Received by Lewisham

  2. 5 Jul 2018

    Validated

    Checked as complete and ready for consideration.

  3. 29 Aug 2018

    Decision issued: Refused

  4. 20 Aug 2026

    Added to PlanIndex

Documents

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

7 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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Open the documents

What this refusal means

Lewisham 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 500 metres

  • 4 LONGTON AVENUE, LONDON, SE26 6QJ

    DC/25/141348 Submitted 5 Sep 2025 0m away

    Replacement of existing single-glazed timber windows and doors at the front, side, and rear, for double-glazed timber windows at front and side, double-glazed uPVC windows at rear, double-glazed timber doors at the front and side, and a double-glazed uPVC rear door at 4 Longton Avenue, SE26.

    Granted Full applications Windows or glazing 10 docs
  • 8 LONGTON AVENUE, LONDON, SE26 6QJ

    DC/24/137675 Submitted 8 Oct 2024 0m away

    Installation of replacement double-glazed timber windows to the front and side elevations and double-glazed uPVC windows to the rear and side elevations at 8 Longton Avenue, SE26.

    Granted Full applications Windows or glazing 9 docs
  • 14 LONGTON AVENUE, LONDON, SE26 6QJ

    DC/11/078934/X Submitted 30 Nov 2011 0m away

    The construction of a part single/part two storey extension to the side of 14 Longton Avenue SE26, together with 2 Velux type roof lights in the rear roof slope.

    Refused Full applications Extension Loft or dormer 2 docs
  • 14 LONGTON AVENUE, LONDON, SE26 6QJ

    DC/11/78934/X Submitted 30 Nov 2011 0m away

    The construction of a part single/part two storey extension to the side of 14 Longton Avenue SE26, together with 2 Velux type roof lights in the rear roof slope.

    Refused Full applications Extension Loft or dormer 2 docs
  • 12 LONGTON AVENUE, LONDON, SE26 6QJ

    DC/18/108978 Submitted 19 Sep 2018 0m away

    Certificate of Lawfulness (Proposed) for the replacement of an existing rear lean to roof at 12 Longton Avenue, SE26. Incorporating the insertion of two rooflights.

    Granted Lawful development Loft or dormer 6 docs
  • 2 LONGTON AVENUE, LONDON, SE26 6QJ

    DC/11/78607 Submitted 19 Oct 2011 0m away

    2 Longton Avenue, London, SE26 6QJ. Side Garden - ONE Ash Lateral Reeducation to Give a two meter Clearance of the Building.

    Withdrawn Trees

In Lewisham

  • DC/26/144636 Granted

    33 UPWOOD ROAD, LONDON, SE12 8AE

    Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) and Class B & C of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the construction of a hip-to-gable roof extension, a rear dormer, and the installation of two roof lights on the front elevation at 33 Upwood Road, SE12.

    8 Jul 2026 Lawful development
  • DC/26/144158 Granted

    30 ST MARGARET'S ROAD, LONDON, SE4 1YU

    Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) and Class A of Schedule 2, Part 14 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the installation of front and side solar panels and a battery store at 30 St Margarets Road, SE4.

    28 May 2026 Lawful development
  • DC/26/144611 Granted

    3 SUNNINGHILL ROAD, LONDON, SE13 7SS

    Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) and Classes B and C of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the construction of an L-shaped rear dormer extension and two roof lights on the front elevation at 3 Sunninghill Road, SE13.

    6 Jul 2026 Lawful development
  • DC/26/144527 Granted

    24 BROOKBANK ROAD, LONDON, SE13 7BT

    Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 and Classes B and C of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the construction of a rear dormer extension and installation of front rooflights at 24 Brookbank Road, SE13

    25 Jun 2026 Lawful development
  • DC/26/144405 Granted

    46 FRANCEMARY ROAD, LONDON, SE4 1JS

    Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) and Class A of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the alteration of the existing rear extension roof and window openings at 46 Francemary Road, SE4

    18 Jun 2026 Lawful development