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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

Justin White Architecture Ltd Agent, an architecture practice registered in London

Active · incorporated 2018 · London

27 applications on PlanIndex · across 9 councils · 72% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

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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Open the documents

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 0.3 miles

  • 27 Somertrees Avenue, Lee, SE120BS

    05/059800/FT Submitted 20 May 2005 50 yards 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 50 yards 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 50 yards 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 50 yards 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 50 yards 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 50 yards 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

    Received 6 Jul, published by the council 3 Aug 2026 Householder
  • DC/26/145239 Awaiting decision

    18 ARICA ROAD, LONDON, SE4 2PX

    Construction of a single-storey side/rear wraparound extension featuring roof terrace with glazed privacy screen, L-shape rear roof extension with juliet balacony and two rooflights to the front roofslope of 18 Arica Road, London, SE4 2PX

    Received 31 Aug, published by the council 9 Sep 2026 Householder
  • DC/26/145216 Awaiting decision

    54A ALLERFORD ROAD, LONDON, SE6 3DF

    Erection of a single-storey rear extension, roof extensions including side/rear dormer structures and rooflights, installation of a front entrance canopy, and associated internal and external alterations at 54A Allerford Road SE6.

    Received 28 Aug, published by the council 8 Sep 2026 Householder
  • DC/26/145218 Awaiting decision

    24 THORNWOOD ROAD, LONDON, SE13 5RG

    The construction of a single-storey rear extension and rear terrace at 24 Thornwood Road, SE13.

    Received 28 Aug, published by the council 10 Sep 2026 Householder
  • DC/26/145214 Awaiting decision

    87 GUIBAL ROAD, LONDON, SE12 9HF

    The construction of a two-storey hipped-roof rear extension, replacing the existing conservatory; the construction of a single-storey flat-roof rear extension and a single-storey flat-roof side extension; the formation of an integral garage with associated alterations to the principal elevation, including the installation of garage doors; the replacement of windows and doors on the principal, rear and side elevations; the replacement and repositioning of rooflights; the application of external wall render to the principal elevation; the removal of existing arched features and their replacement with rectangular openings; the removal of soft landscaping and installation of permeable hardstanding to the front garden and driveway at 87 Guibal Road, SE12.

    Received 28 Aug, published by the council 8 Sep 2026 Householder