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Planning application

1 HORSMONDEN ROAD, LONDON, SE4 1RG

Granted Lewisham DC/21/121736 Lawful Development Certificate 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 Lawful Development (Proposed) in respect of the construction of a hip to gable roof extension and a rear dormer extension at 1 Horsmonden Park SE4, together with the installation of roof lights in the front roof slope

As published by the council, reference DC/21/121736

Application record

Reference
DC/21/121736
Type
Lawful Development Certificate proposed
Status
Decided
Decision
Granted
Received
12 May 2021
Validated
12 May 2021
Decided
6 Jul 2021
Ward
Crofton Park
Parish
Does NOT need to go to BCAP
Decision by
Delegated
Postcode
SE4 1RG

Timeline

Dates from the published record

  1. 12 May 2021

    Received by Lewisham

  2. 6 Jul 2021

    Decision issued: Granted

  3. 25 Sep 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Archimode Architects Agent, an architecture practice

3 applications on PlanIndex · across 2 councils

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Documents

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

12 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

Lewisham granted permission on 6 July 2021, 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

  • 12 HORSMONDEN ROAD, LONDON, SE4 1RG

    DC/26/143179 Submitted 2 Mar 2026 50 yards away

    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 construction of a single-storey rear extension to 12 Horsmonden Road, SE4.

    Granted Lawful development Extension 9 docs
    Small domestic
  • 18 HORSMONDEN ROAD, LONDON, SE4 1RG

    DC/26/145072 Submitted 17 Aug 2026 50 yards away

    Roof level dormer extension and rear extension to mid terraced property

    Withdrawn Householder Extension Loft or dormer
    Domestic
  • 18 HORSMONDEN ROAD, LONDON, SE4 1RG

    DC/26/145071 Submitted 17 Aug 2026 50 yards away

    90% historically approved · decision due ~10 Oct

    Construction of single-storey rear extension and rear dormer extension at 18 Horsmonden Road, SE4.

    Awaiting decision Householder Extension Loft or dormer 8 docs
    Small domestic
  • 18 HORSMONDEN ROAD, LONDON, SE4 1RG

    DC/26/144069 Submitted 19 May 2026 50 yards away

    Construction of a porch, new timber front door, single-storey rear extension and rear roof extension with new standing seam zinc roof covering to entire roof, installation of one front roof light and one front cabrio rooflight, replacement aluminium framed windows, external wall insulation with silicate render finish to the front and rear elevations at 18 Horsmonden Road, SE4.

    Refused Householder Extension Loft or dormer +2 6 docs
    Small domestic
  • 53 CROFTON PARK ROAD, LONDON, SE4 1AF

    DC/25/141373 Submitted 8 Sep 2025 100 yards away

    Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) 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 installation of two front rooflights, as well as the construction of a rear roof and outrigger roof extension at 53 Crofton Park Road, SE4.

    Refused Lawful development Extension Loft or dormer 5 docs
  • 53 CROFTON PARK ROAD, LONDON, SE4 1AF

    DC/25/142064 Submitted 7 Nov 2025 100 yards away

    Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) Class A, B and C of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the replacement of rear outrigger window with new garden door, construction of an L-shaped rear dormer extension and installation of front rooflights at 53 Crofton Park Road, SE4.

    Granted Lawful development Extension Loft or dormer +1 7 docs

In Lewisham

  • DC/26/145148 Awaiting decision

    79 LEWISHAM HIGH STREET, LONDON, SE13 5JX

    Application for a Lawful Development Certificate (Existing) submitted under Section (191) of the Town & Country Planning Act 1990 (as amended) for the confirmation that planning permission DC/22/127821 has been implemented together with the discharge of all planning conditions, and as such that the permission is extant at 79 Lewisham High Street, SE13 5JX.

    Received 24 Aug, published by the council 25 Aug 2026 Lawful development
  • DC/26/145127 Awaiting decision

    8 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) for confirmation that the use of the property as a 'Children's Home' (Use Class C2) does not constitute a material change of use from a residential dwellinghouse (Use Class C3) at 8 Francemary Road, SE4.

    Received 20 Aug, published by the council 22 Sep 2026 Lawful development
  • DC/26/145117 Awaiting decision

    102 LADYWELL ROAD, LONDON, SE13 7HU

    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 and Class G of Schedule 2, Part 14 and of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for construction of an L-shaped roof extension featring a julliete balcony and the installation of an air-source heat pump (ASHP) in the rear garden at 102 Laydwell Road, SE13.

    Received 20 Aug, published by the council 26 Aug 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
  • DC/26/145097 Awaiting decision

    343 MARVELS LANE, LONDON, SE12 9PU

    Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended), Classes B and C of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for construction of a hip-to-gable roof extension, a rear dormer and two rooflights on the front elevation at 343 Marvels Lane, SE12.

    Received 19 Aug, published by the council 25 Aug 2026 Lawful development