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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 0.3 miles

  • 4 LONGTON AVENUE, LONDON, SE26 6QJ

    DC/25/141348 Submitted 5 Sep 2025 50 yards 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 50 yards 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 50 yards 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 50 yards 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 50 yards 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 50 yards 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/26/145270 Awaiting decision

    179 CRANSTON ROAD, LONDON, SE23 2EZ

    Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) Class A of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for construction of single-storey rear extension and the demolition of the existing conservatory to 179 Cranston Road, SE23.

    Received 3 Sep, published by the council 8 Sep 2026 Lawful development
  • DC/26/145177 Awaiting decision

    162 CHUDLEIGH ROAD, LONDON, SE4 1EE

    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 a hip-to-gable extension and rear dormer at 162 Chudleigh Road, SE4 1EE.

    Received 25 Aug, published by the council 28 Aug 2026 Lawful development
  • DC/26/145163 Awaiting decision

    15 BRANGBOURNE ROAD, BROMLEY, BR1 4LL

    Construction of a single-storey rear extension to extend the width of the existing rear extension, installation of a roof lantern, and replacement of the existing outbuilding with an amenity outbuilding at 15 Brangbourne Road, BR1

    Received 24 Aug, published by the council 1 Sep 2026 Lawful development
  • DC/26/145149 Awaiting decision

    288 GROVE STREET, LONDON, SE8 3RF

    Application for a Lawful Development Certificate (Existing) submitted under Section 191 of the Town & Country Planning Act 1990 (as amended) to establish that the lawful use of 288 Grove Street, SE8, as a self-contained residential dwelling (Use Class C3).

    Received 24 Aug, published by the council 8 Sep 2026 Lawful development
  • DC/26/143983 Granted

    1 SANDROCK ROAD, LONDON, SE13 7TS

    Application for a Lawful Development Certificate existing submitted under Section 191 of the Town & Country Planning Act 1990 (as amended) to establish that the lawful use of 1 Sandrock Road, SE13, is as a small house in multiple occupation for no more than six residents.

    Received 12 May, published by the council 25 Jul 2026 Lawful development