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Planning application

25 SOMERTREES AVENUE, LONDON, SE12 0BS

Granted Lewisham DC/20/119149 Householder Application

Works: Extension Windows or glazing Small domestic

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

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

Proposal

Construction of rear and side single storey extensions with conversion of the garage to habitable space at 25 SOMERTREES AVENUE, SE12, together with a new front porch and replacement of windows to rear, front and side elevation.

As published by the council, reference DC/20/119149

Application record

Reference
DC/20/119149
Type
Householder Application
Status
Decided
Decision
Granted
Received
11 Nov 2020
Validated
17 Nov 2020
Decided
11 Jan 2021
Ward
Grove Park
Decision by
Delegated
Postcode
SE12 0BS

Site history

Applications at this address on the Lewisham register

This site has had 3 applications since 2020: 3 approved, 0 refused.

  • DC/25/139750 Granted

    25 SOMERTREES AVENUE, LONDON, SE12 0BS

    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 the construction of a single-storey side extension at 25 Somertrees Avenue, SE12

    Decided 4 Jun 2025 Lawful development
  • DC/20/119159 Granted

    25 SOMERTREES AVENUE, LONDON, SE12 0BS

    Lawful Development Certificate (Proposed) for the construction of rear roof extension with a Juliet balcony at 25 SOMERTREES AVENUE, SE12, together installation of two rooflights to the front roof.

    Decided 7 Dec 2020 Lawful development

Timeline

Dates from the published record

  1. 11 Nov 2020

    Received by Lewisham

  2. 17 Nov 2020

    Validated

    Checked as complete and ready for consideration.

  3. 11 Jan 2021

    Decision issued: Granted

  4. 30 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file, an architecture practice registered in London

21 applications on PlanIndex · across 8 councils · 82% granted

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Documents

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

16 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 11 January 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 householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 27 Somertrees Avenue, Lee, SE120BS

    05/059800/FT Submitted 20 May 2005 0m away

    Lawful Development Certificate in respect of the formation of french doors and balcony in the rear roof slope together with the installation of roofllights in the front and side roof slopes of 27 Somertrees Avenue SE12 in connection with alterations to the roof space to provide additional living accommodation.

    Granted Lawful development Windows or glazing
  • 27 Somertrees Avenue, Lee, SE120BS

    05/058814 Submitted 21 Jan 2005 0m away

    The construction of a single storey extension to the side of 27 Somertrees Avenue SE12, together with alterations and conversion of the garage to provide additional living accommodation.

    Granted Full applications Extension
    Small domestic
  • 31 SOMERTREES AVENUE, LONDON, SE12 0BS

    DC/24/134561 Submitted 22 Jan 2024 0m away

    The construction of a first-floor rear extension, including levelling the floor levels and enlargement of the hipped roof, with alteration to the front elevation at 31 Somertrees Avenue SE12

    Withdrawn Householder Extension
    Domestic
  • 31 SOMERTREES AVENUE, LONDON, SE12 0BS

    DC/24/134503 Submitted 17 Jan 2024 0m away

    Construction of a first floor rear extension, together with an enlarged hipped roof and front elevation alterations at 31 Somertrees Avenue SE12.

    Granted Householder Extension 12 docs
    Domestic
  • 31 SOMERTREES AVENUE, LONDON, SE12 0BS

    DC/23/134167 Submitted 7 Dec 2023 0m away

    Construction of a hipped roof extension at 31 Somertrees Avenue SE12, together with alterations to the front elevation, a rear deck extension and a garage conversion.

    Granted Householder Extension 13 docs
    Small domestic
  • 31 SOMERTREES AVENUE, LONDON, SE12 0BS

    DC/23/134064 Submitted 30 Nov 2023 0m away

    Garage Conversion into Habitable Room, Roof and Floor Height Raise on Side with Changing Flat Roof to Hip with Front Infill Porch & Rear Deck Extension

    Withdrawn Householder Extension
    Small domestic

In Lewisham

  • DC/26/144603 Granted

    6 FRIENDLY STREET, LONDON, SE8 4DT

    Patial demoltion of existing rear additions, construction of a new single storey rear extension and all associated works at 6 Friendly Street, SE8

    6 Jul 2026 Householder
  • DC/26/144728 Granted

    140 LONGHILL ROAD, LONDON, SE6 1UA

    Demolition of existing outbuildings and construction of a replacement outbuilding for use as a home gym with a bathroom and storage in the rear garden at 140 Longhill Road, SE6.

    13 Jul 2026 Householder
  • DC/26/144355 Refused

    84 SANDHURST ROAD, LONDON, SE6 1XE

    The provision of a vehicle crossover and removal of part of the boundary wall to the front of 84 Sandhurst Road SE6.

    16 Jun 2026 Householder
  • DC/26/144623 Granted

    10 BLASHFORD STREET, LONDON, SE13 6UA

    Construction of a roof extension on the main rear and secondary roof slopes at 10 Blashford Street, SE13 together with two roof lights in the front roof slope.

    7 Jul 2026 Householder
  • DC/26/144596 Refused

    89 ALGERNON ROAD, LONDON, SE13 7AP

    Construction of a rear roof dormer and insertion of two rooflights at the front elevation of 89 Algernon Road, SE13.

    3 Jul 2026 Householder