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Planning application

21 BROAD LAWN, ELTHAM, LONDON, SE9 3XE

Granted Greenwich 26/0399/HD Householders

Works: Extension Loft or dormer 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 single-storey rear extension with rooflights and associated works.

As published by the council, reference 26/0399/HD

Application record

Reference
26/0399/HD
Type
Householders
Status
Decided
Decision
Approve
Received
9 Feb 2026
Validated
9 Mar 2026
Decided
14 May 2026
Ward
MOTTINGHAM, COLDHARBOUR & NEW ELTHAM
Parish
Eltham & Kidbrooke
Decision by
Delegation
Postcode
SE9 3XE

Timeline

Dates from the published record

  1. 9 Feb 2026

    Received by Greenwich

  2. 9 Mar 2026

    Validated

    Checked as complete and ready for consideration.

  3. 14 May 2026

    Decision issued: Approve

  4. 11 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file, an architecture practice

27 applications on PlanIndex · across 8 councils · 85% granted

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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.

Trade members open them from here.

Open the documents

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About householder applications

How this application type works

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

Nearby applications

Within 500 metres

  • 36 BROAD LAWN, ELTHAM, LONDON, SE9 3XD

    26/2172/HD Submitted 22 Jul 2026 60m away

    84% historically approved · decision due ~16 Sep

    Construction of a single-storey rear infill extension incorporating alterations to the roof and t...

    Awaiting decision Extension 9 docs
    Small domestic

  • 36 BROAD LAWN, ELTHAM, LONDON, SE9 3XD

    26/1085/CP Submitted 6 Apr 2026 60m away

    Certificate of Lawfulness (Proposed) is sought for loft conversion with raised gable to side and dormerto the rear. Total extra roof volume less than 40m3.

    Granted Lawful development Loft or dormer 9 docs

  • 4 BROAD LAWN, ELTHAM, LONDON, SE9 3XD

    21/1624/HD Submitted 4 May 2021 60m away

    Construction of first floor rear and side extensions and roof extension including a side and a rear dormer window, 5 rooflights and associated external works(RESUBMISSION) [Revised Description]

    Refused Householder Extension Loft or dormer +1 6 docs
    Domestic

  • 36 BROAD LAWN, ELTHAM, LONDON, SE9 3XD

    26/1076/HD Submitted 6 Apr 2026 60m away

    Construction of a single storey front extension and conversion of garage to a habitable room and associated works.

    Refused Householder Extension 14 docs
    Small domestic

  • 36 BROAD LAWN, ELTHAM, LONDON, SE9 3XD

    26/1075/HD Submitted 6 Apr 2026 60m away

    Construction of a single-storey rear infill extension and first-floor side extension with associated works.

    Refused Householder Extension 13 docs
    Small domestic

  • 54 BROAD LAWN, ELTHAM, LONDON, SE9 3XD

    24/2484/HD Submitted 15 Jul 2024 60m away

    Construction of loft conversion comprising with rear dormer and rooflights, first floor rear extension, Installation of ground floor window in place of garage door, new front door and change of use of garage to habitable room. (Amended description)

    Refused Householder Extension Loft or dormer +1 23 docs
    Domestic

In Greenwich

  • 26/0148/HD Refused

    237 WICKHAM LANE, PLUMSTEAD, LONDON, SE2 0YB

    Retrospective construction of a side extension made of wood and pvc cladding, and associated works. (amended description).

    16 Jan 2026 Householder
  • 26/0752/HD Granted

    40 KING WILLIAM WALK, GREENWICH, LONDON, SE10 9HU

    Proposed rear lower ground floor extension, including terrace and associated balustrading; alterations and works to front vaults; new and replacement of doors and openings; and all associated works.

    10 Mar 2026 Householder
  • 26/0434/HD Granted

    15 VANBRUGH FIELDS, BLACKHEATH, LONDON, SE3 7TZ

    Construction of a single storey rear extension with dual pitched roof and installation of a skylight. Replacement of first floor side window with associated works.

    11 Feb 2026 Householder
  • 26/2228/HD Withdrawn

    70A SIDCUP ROAD, LONDON, SE12 8BW

    Retrospective Planning application - Outbuilding 4.7x2.6m with the maximal height not exceeding 2.45m

    22 Jul 2026 Householder
  • 26/1187/HD Granted

    13 REYNOLDS PLACE, BLACKHEATH, LONDON, SE3 8SX

    Replacement of roof tiles and associated works.

    16 Apr 2026 Householder