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Planning application

615 WESTHORNE AVENUE, ELTHAM, LONDON, SE9 6JX

Refused Greenwich 25/3901/HD Householders

Works: Extension Small domestic

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

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Construction of a single storey rear extension with associated works.

As published by the council, reference 25/3901/HD

Application record

Reference
25/3901/HD
Type
Householders
Status
Decided
Decision
Refused As published: Refuse
Received
19 Nov 2025
Validated
28 Nov 2025
Decided
22 Jan 2026
Ward
ELTHAM PAGE
Parish
Eltham & Kidbrooke
Decision by
Delegation
Postcode
SE9 6JX

Site history

Applications at this address on the Greenwich register

This site has had 2 applications since 2025: 0 approved, 2 refused.

  • 25/3899/PN1 Refused

    615 WESTHORNE AVENUE, ELTHAM, LONDON, SE9 6JX

    Prior Approval for the construction of a single storey rear extension which will extend beyond the rear wall of the original dwelling by 5.94m, for which the maximum height will be 3.54m and the height at the eaves will be 3.00m.

    Decided 16 Dec 2025 Prior approval

Timeline

Dates from the published record

  1. 19 Nov 2025

    Received by Greenwich

  2. 28 Nov 2025

    Validated

    Checked as complete and ready for consideration.

  3. 22 Jan 2026

    Decision issued: Refuse

  4. 11 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Design Extension Agent, a design practice registered in Purley

Active · incorporated 2025 · Purley

133 applications on PlanIndex · across 24 councils · 75% 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

10 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 refusal means

Greenwich refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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

  • 615 WESTHORNE AVENUE, ELTHAM, LONDON, SE9 6JX

    25/3899/PN1 Submitted 19 Nov 2025 50 yards away

    Prior Approval for the construction of a single storey rear extension which will extend beyond the rear wall of the original dwelling by 5.94m, for which the maximum height will be 3.54m and the height at the eaves will be 3.00m.

    Refused Prior approval Extension 7 docs
    Small domestic
  • 14 RANCLIFFE GARDENS, ELTHAM, LONDON, SE9 6LA

    26/0181/HD Submitted 20 Jan 2026 100 yards away

    Demolition of existing garage and rear extension and erection of a two storey side and a single storey rear extension.

    Refused Householder Extension Demolition 11 docs
    Small domestic
  • 5 Kingsholm Gardens, Eltham, London, SE9 6LB

    17/1788/F Submitted 5 Jun 2017 150 yards away

    Construction of a first floor side extension (Resubmission).

    Granted Householder Extension 8 docs
    Domestic
  • 53 KINGSHOLM GARDENS, ELTHAM, LONDON, SE9 6LB

    12/0596/CP Submitted 15 Mar 2012 150 yards away

    Construction of a single storey rear extension.

    Granted Lawful development Extension 8 docs
    Small domestic
  • 11 KINGSHOLM GARDENS, ELTHAM, LONDON, SE9 6LB

    20/0599/HD Submitted 21 Feb 2020 150 yards away

    Construction of a single storey side extension, replacement of front porch, erection of canopy at rear elevation, installation of new rear door, installation of decking at rear, landscaping at the rear and other associated external alterations.

    Granted Householder Extension 14 docs
    Small domestic
  • 11 Kingsholm Gardens, Eltham, SE9 6LB

    19/2350/HD Submitted 2 Jul 2019 150 yards away

    Construction of a single storey side extension and construction of a replacement front porch.

    Refused Householder Extension 11 docs
    Small domestic

In Greenwich

  • 26/2559/HD Awaiting decision

    69 WELTON ROAD, PLUMSTEAD, LONDON, SE18 2JE

    Construction of first floor side extension and associated works.

    Received 1 Sep, published by the council 8 Sep 2026 Householder
  • 26/2485/HD Awaiting decision

    13 KEMSING ROAD, GREENWICH, LONDON, SE10 0LL

    Construction of a single storey side and rear extension in brick and replacement of existing dwarf wall with a bike and bin storage to the front..

    Received 20 Aug, published by the council 9 Sep 2026 Householder
  • 26/2437/HD Awaiting decision

    53 COLEPITS WOOD ROAD, ELTHAM, LONDON, SE9 2QJ

    Construction of a single storey rear extension, first floor side extension, garage conversion to a habitable room and a rear domer loft conversion with two rooflights to front roofslope.

    Received 17 Aug, published by the council 27 Aug 2026 Householder
  • 26/2411/HD Awaiting decision

    65 VANBRUGH PARK, BLACKHEATH, LONDON, SE3 7JQ

    Replacement of door and window on the lower ground rear elevation with a double- glazed timber window and door, replacement of all windows and doors with like for like double glazed timber units, enlargement of patio area at the lower ground floor level along with glass balustrade around it at garden level, alteration to the stairs and railing at the rear leading to the upper ground floor level, and the installation of a new resin-bound front driveway with brick edging.

    Received 13 Aug, published by the council 27 Aug 2026 Householder
  • 26/2397/HD Awaiting decision

    25 GLOUCESTER CIRCUS, GREENWICH, LONDON, SE10 8RY

    Construction of mansard roof extension and loft conversion with associated demolition; external repair works and refurbishment and all associated works.

    Received 11 Aug, published by the council 3 Sep 2026 Householder