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Planning application

45 Underhill Road London Southwark SE22 0QZ

Awaiting decision Southwark 25/AP/3281 Householder Application

Works: Extension Demolition Small domestic

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

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Demolition of existing conservatory and replacement with rear single storey extension on existing footprint, and conversion of existing garage space into habitable room

As published by the council, reference 25/AP/3281

Application record

Reference
25/AP/3281
Type
Householder Application
Status
Under consideration/assessment
Received
11 Nov 2025
Validated
13 Nov 2025
Ward
Dulwich Wood
Parish
Dulwich
Postcode
SE22 0QZ

Timeline

Dates from the published record

  1. 11 Nov 2025

    Received by Southwark

  2. 13 Nov 2025

    Validated

    Checked as complete and ready for consideration.

  3. 10 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 8 January 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Southwark took a median of 52 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

DISTRICT Architects Ltd Agent, an architecture practice registered in London

Active · incorporated 2016 · London

61 applications on PlanIndex · across 7 councils · 90% 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

13 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What happens while it is decided

This application is with Southwark for determination, against a statutory target of eight weeks. Over the last year Southwark decided householder applications in a median of 56 days. More in our guide to how long planning decisions take.

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

  • 49 Underhill Road London Southwark SE22 0QZ

    21/AP/3657 Submitted 20 Oct 2021 50 yards away

    Certificate of lawfulness (proposed) for construction of a rear dormer extension with juliet balcony, insertion of 3 rooflights to front roof slope, and insertion of new side facing window.

    Granted Lawful development Extension Loft or dormer +1 11 docs
  • 49 Underhill Road London Southwark SE22 0QZ

    21/AP/3656 Submitted 20 Oct 2021 50 yards away

    Construction of a single storey side and rear extension to replace existing conservatory; alterations to single storey rear addition for new roof and wall cladding; addition of windows in roof space to rear elevation; alterations and conversion of existing garage to habitable space; and the installation of new side facing windows and associated works.

    Granted Householder Extension Roofing +1 14 docs
    Small domestic
  • 49 Underhill Road London Southwark SE22 0QZ

    26/AP/0469 Submitted 17 Feb 2026 50 yards away

    Demolition of the existing ground floor WC, conservatory and side garage, and construction of a single-storey rear extension to the rear return with two rooflights and a single storey side extension with two rooflights; and the installation of a new timber fence visible from the front elevation.

    Granted Householder Extension Loft or dormer +1 25 docs
    Small domestic
  • 78 Underhill Road London Southwark SE22 0QT

    26/AP/1603 Submitted 5 Jun 2026 50 yards away

    Works to a tree with a TPO: T1 Oak tree - Tip back existing 8m lateral branches over neighbours and rear garden by 1.5m to the previous points. Remove epicormic trunk growth as shown up to main crown break. No further removal of epicormic growth within the crown beyond that shown and agreed. Remove deadwood over 25mm in diameter. Height and form to be retained. Reasons: To increase available light to the garden and control development

    Granted Trees
  • 30 Underhill Road London Southwark SE22 0QT

    26/AP/2951 Submitted 7 Oct 2026 50 yards away

    95% historically approved · decision due ~3 Dec

    TPO Application: Amendment to 24/AP/2824, which granted removal of the Horse Chestnut subject to replacement with 1 no. Liriodendron tulipifera (16-18cm girth). Amendment sought to replace this with 3 no. Malus, 1 no. Mespilus and 1 no. Magnolia.

    Awaiting decision Trees
  • 33 Melford Road London Southwark SE22 0AG

    22/AP/3368 Submitted 26 Sep 2022 50 yards away

    Lawful development certificate (proposed) to re roof the pitched roof by maintaining the existing pitched roof at the front elevation of the property and creating a side dormer to the rear half of the existing pitched roof and part outrigger to mirror the neighbouring attached property at no 35 Melford Rd.

    Granted Lawful development Extension Loft or dormer +1 23 docs

In Southwark

  • 26/AP/2158 Granted

    7 Alma Grove London Southwark SE1 5PY

    Erection of a rear ground floor side extension with a framed glass roof and bi-folding rear doors. Replacement of windows and door. Alterations to external facade.

    Received 21 Jul, published by the council 25 Jul 2026 Householder
  • 26/AP/2601 Awaiting decision

    49 Henshaw Street London Southwark SE17 1PE

    Demolition of existing rear extension and construction of part single, part two storey rear extension and erection of roof terrace on main roof with balustrades and glazed access hatch.

    2 Sep 2026 Householder
  • 26/AP/2545 Awaiting decision

    76 Shenley Road London Southwark SE5 8NQ

    Construction of a single storey side and rear extension to the rear; construction of a rear dormer roof extension over the main roofslope and the installation of 3x rooflights to the front roofslope.

    Received 26 Aug, published by the council 3 Sep 2026 Householder
  • 26/AP/2533 Awaiting decision

    28 Tyrrell Road London Southwark SE22 9NE

    Construction of rear extension.

    Received 25 Aug, published by the council 28 Aug 2026 Householder
  • 26/AP/2517 Awaiting decision

    65 Calton Avenue London Southwark SE21 7DF

    Construction of a ground-floor side-rear extension with terrace reinstated above; alterations to the rear outrigger, including raising the eaves and ridge, removal of the chimney stack, replacement windows, and installation of two rooflights; enlargement of the existing rear dormer; erection of bin and bike stores in the front garden, together with new landscaping and a front boundary wall; installation of an EV charger to front elevation and removal of existing front porch door; removal of existing garden buildings and erection of a shed, sauna and pergola in the rear garden, together with new landscaping and decking.

    Received 24 Aug, published by the council 28 Aug 2026 Householder