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Planning application

37 Athenlay Road London Southwark SE15 3EA

Granted Southwark 25/AP/3451 Certificate of Lawful Dev. - Proposed

Works: Extension Loft or dormer

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

Proposal

Certificate of lawfulness (proposed) for a loft conversion with rear dormer extension.

As published by the council, reference 25/AP/3451

Application record

Reference
25/AP/3451
Type
Certificate of Lawful Dev. - Proposed
Status
Granted
Decision
Granted As published: Certificate of Lawfulness Prop- GRANTED
Received
26 Nov 2025
Validated
27 Nov 2025
Decided
4 Dec 2025
Ward
Peckham Rye
Parish
Peckham And Nunhead
Decision by
Delegated - GOLD
Postcode
SE15 3EA

Site history

Applications at this address on the Southwark register

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

  • 25/AP/3445 Granted

    37 Athenlay Road London Southwark SE15 3EA

    Construction of a rear dormer roof extension, involving raising the roof ridge, and installation of two roof lights on the front roof slope

    Decided 20 Jan 2026 Householder

Timeline

Dates from the published record

  1. 26 Nov 2025

    Received by Southwark

  2. 27 Nov 2025

    Validated

    Checked as complete and ready for consideration.

  3. 4 Dec 2025

    Decision issued: Certificate of Lawfulness Prop- GRANTED

  4. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

The Art of Building Ltd Agent, registered in Loughborough

Active · incorporated 2003 · Loughborough

217 applications on PlanIndex · across 22 councils · 96% granted

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Documents

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

10 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 grant of permission means

Southwark granted permission on 4 December 2025, 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 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

  • 37 Athenlay Road London Southwark SE15 3EA

    25/AP/3445 Submitted 25 Nov 2025 50 yards away

    Construction of a rear dormer roof extension, involving raising the roof ridge, and installation of two roof lights on the front roof slope

    Granted Householder Extension Loft or dormer 11 docs
    Domestic
  • 33 Athenlay Road London Southwark

    21/AP/3285 Submitted 16 Sep 2021 50 yards away

    Construction of a single storey ground floor wrap-around extension together with additional landscaping works and shed in the garden.

    Granted Full applications Extension 11 docs
    Small domestic
  • 14 Merttins Road London Southwark SE15 3EB

    26/AP/0102 Submitted 14 Jan 2026 50 yards away

    Lawful Development Certificate (Proposed) for construction of L-shape dormer roof extension and rooflight to the front

    Granted Lawful development Extension Loft or dormer 11 docs
  • 10 Merttins Road London Southwark SE15 3EB

    26/AP/0097 Submitted 14 Jan 2026 50 yards away

    Certificate of lawfulness (proposed) for, raising the rear section of the building to align with the existing kitchen ceiling.

    Granted Lawful development 13 docs
  • 10 Merttins Road London Southwark SE15 3EB

    22/AP/0877 Submitted 7 Mar 2022 50 yards away

    Raising of the roof ridge, construction of roof extension with rear dormer over main roof and outrigger, complete with rooflights to front and construction of rear and side infill ground floor single storey extension.

    Granted Householder Extension Loft or dormer 12 docs
    Small domestic
  • 51 Athenlay Road London Southwark SE15 3EN

    22/AP/0142 Submitted 19 Jan 2022 50 yards away

    Construction of an L-shape dormer loft conversion (400mm ridge raise) and addition of four roof lights (three on front roof slope, one on dormer flat roof).

    Granted Householder Loft or dormer 15 docs
    Domestic

In Southwark

  • 26/AP/2574 Awaiting decision

    23 Alberta Street London Southwark SE17 3SF

    Certificate of lawfulness (proposed) for construction of a rear dormer and the installation of 1x rooflight to the front roofslope.

    Received 1 Sep, published by the council 8 Sep 2026 Lawful development
  • 26/AP/2509 Awaiting decision

    Newington Gardens Harper Road London Southwark SE1

    Certificate of Lawfulness (proposed) for improvement works to the playground at Newington Gardens to include the removal of current playground equipment and installation of new accessible equipment.

    Received 21 Aug, published by the council 7 Sep 2026 Lawful development
  • 26/AP/1673 Granted

    Flat 67 Benbow House 24 New Globe Walk London Southwark SE1 9DS

    Certificate of Lawful Development to replace existing external doors with new thermally improved doors

    Received 11 Jun, published by the council 25 Jul 2026 Lawful development
  • 26/AP/1909 Granted

    6 Ethnard Road London Southwark SE15 1RU

    Certificate of lawfulness (proposed) for a loft conversion with rear dormer

    Received 30 Jun, published by the council 25 Jul 2026 Lawful development
  • 26/AP/2486 Awaiting decision

    84 Croxted Road London Southwark SE21 8NP

    Certificate of lawfulness (proposed) for the formation of a moveable structure (as defined under the Caravan Site Act) that can be separated into 2 sections and removed from the rear garden by crane. Refer to the following drawings: 318 SP 00 (PD) 318 SP 01 (PD) 318 SP 101 (PD) 318 GS 01 (PD) 318 GS 02 (PD)

    Received 19 Aug, published by the council 20 Aug 2026 Lawful development