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Planning application

25 SOMERTREES AVENUE, LONDON, SE12 0BS

Granted Lewisham DC/25/139750 Lawful Development Certificate proposed

Works: Extension 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

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

As published by the council, reference DC/25/139750

Application record

Reference
DC/25/139750
Type
Lawful Development Certificate proposed
Status
Decided
Decision
Granted
Received
9 Apr 2025
Validated
9 Apr 2025
Decided
4 Jun 2025
Ward
Grove Park
Parish
Does NOT need to go to BCAP
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/20/119149 Granted

    25 SOMERTREES AVENUE, LONDON, SE12 0BS

    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.

    Decided 11 Jan 2021 Householder
  • 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. 9 Apr 2025

    Received by Lewisham

  2. 4 Jun 2025

    Decision issued: Granted

  3. 30 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

PS Designs Ltd Agent, a design practice registered in London

Active · incorporated 2020 · London

66 applications on PlanIndex · across 18 councils · 85% granted

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

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Documents

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

8 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 4 June 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

  • 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/26/145270 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