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Planning application

26/01665/HPA

12 DERRY DOWNS, ORPINGTON, BR5 4DT

Granted Bromley Householder planning permission

Proposal

Demolition of existing conservatory and construction of single storey rear extension with pitched roof to rear and elevational alterations.

As published by the council, reference 26/01665/HPA

Timeline

Dates from the published record

  1. 27 Apr 2026

    Received by Bromley

  2. 15 May 2026

    Validated

    Checked as complete and ready for consideration.

  3. 15 Jul 2026

    Decision issued: GRANTED

  4. 25 Jul 2026

    Added to PlanIndex

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

  • 20/01273/RECON1 Granted

    10 Chelsfield Road, Orpington, BR5 4DN

    Variation of condition 2 (compliance with approved plans) of permission ref.20/01273/RECON granted for elevational alterations including single storey infill extension and conversion of existing detached outbuilding/former stable block to form a self-contained one bedroom dwelling with associated car parking, refuse & cycle stores and amenity area, in order to rebuild the rear wall and install new internal timber roof trusses

    6 Sep 2024 111m away Amendments
  • 24/03642/FULL6 Refused

    36 Chelsfield Road, Orpington, BR5 4DW

    Single storey side/rear extensions with canopies over front and side doors, loft conversion with rear dormer, side roof window and three roof lights.

    30 Sep 2024 113m away Householder
  • 26/02827/HPA Awaiting decision

    MARYLANDS, 36 CHELSFIELD ROAD, ORPINGTON, BR5 4DW

    Retention of side dormer

    13 Jul 2026 113m away Householder
  • 22/04983/FULL3 Granted

    Anglesea Healthy Living Centre, 1 Kent Road, Orpington, BR5 4AD

    Extension, alteration, and change of use from health centre Use Class E Commercial Business and Service to 9x dwellinghouses Use Class C3. (Amendments to Prior Approval reference 22/03666/CUETC3)

    21 Dec 2022 223m away Full applications
  • 26/01779/NOT Granted

    59 ANGLESEA ROAD, ORPINGTON, BR5 4AN

    Single storey rear extension, extending beyond the rear wall of the original house by 3.6m, for which the maximum height would be 2.95m, and for which the height of the eaves would be 2.85m (42 Day Notification for Householder Permitted Development Prior Approval)

    5 May 2026 234m away Prior approval
  • 25/03284/S73A Granted

    2 NORTHFIELD AVENUE, ORPINGTON, BR5 4JH

    Minor material amendment under Section 73 of the Town and Country Planning Act 1990 to allow for variation of Condition 2 of 25/03284/HPA (Granted for Single storey side extension, loft conversion with rear dormer and front rooflights to provide habitable accommodation at first floor level and elevational alterations.) to allow for the enlargement of the side extension with associated internal layout and fenestration alterations.

    17 Apr 2026 273m away Amendments

In Bromley

  • 26/03086/HPA Awaiting decision

    33 STOWE ROAD, ORPINGTON, BR6 9HG

    Demolition of the existing rear conservatory and erection of a single-storey rear extension, together with associated internal alterations.

    31 Jul 2026 Householder
  • 26/00750/LDC Refused

    162 KINGS ROAD, BIGGIN HILL, WESTERHAM, TN16 3NH

    Removal of 1x existing garden shed and relocation of the existing outbuilding to shed position for dog grooming business

    25 Feb 2026 Householder
  • 26/03067/HPA Awaiting decision

    11 THE SPINNEYS, BICKLEY, BROMLEY, BR1 2NT

    Demolition of existing porch and construction of single storey front extension

    30 Jul 2026 Householder
  • 26/03072/HPA Awaiting decision

    34 BARK HART ROAD, ORPINGTON, BR6 0QD

    Demolition of existing garage and construction of a single storey side and rear extension, rooflights and elevational alterations

    30 Jul 2026 Householder
  • 26/03064/HPA Awaiting decision

    7 ST AUBYN'S CLOSE, ORPINGTON, BR6 0SN

    Removal of existing conservatory and construction of part one/two storey rear extension, elevational alterations.

    30 Jul 2026 Householder