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Planning application

26/02860/HPA

126 SUTHERLAND AVENUE, BIGGIN HILL, WESTERHAM, TN16 3HJ

Awaiting decision Bromley Householder planning permission

Proposal

Demolition of conservatory, construction of single storey rear extension, first floor side extension creating side roof dormer, new front porch and elevational alterations.

As published by the council, reference 26/02860/HPA

Timeline

Dates from the published record

  1. 15 Jul 2026

    Received by Bromley

  2. 16 Jul 2026

    Validated

    Checked as complete and ready for consideration.

  3. 25 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Bromley for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

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

  • 21/02498/PLUD Decided

    1 Belvedere Road, Biggin Hill, Bromley, TN16 3HX

    Roof/Loft conversion to include alterations and extension to existing dormer and addition of window to front elevationLAWFUL DEVELOPMENT CERTIFICATE (PROPOSED)

    20 May 2021 69m away Lawful development
  • 26/01672/HPA Granted

    98 SUTHERLAND AVENUE, BIGGIN HILL, WESTERHAM, TN16 3HH

    Alterations to main roof, to include galvanised steel pitched roof to side, additional rooflights and change to slate roof tiles. Single storey front extension and elevational alterations to include re-cladding, render and replacement of sliding doors to the rear.

    27 Apr 2026 131m away Householder
  • 21/00480/CONDIT Decided

    19 Edward Road, Biggin Hill, TN16 3HN

    Details submitted to approve conditions relating to planning permission 21/00480/FULL1:Condition 11 - WindowsCondition 12 - LandscapingCondition 13 - Environmental Management Plan

    28 Nov 2022 220m away Conditions
  • 23/00381/FULL6 Refused

    57A Sutherland Avenue, Biggin Hill, TN16 3HG

    Single storey rear extension, loft conversion to habitable space with side dormer and rooflights,porch extension with new front door and elevational alterations.

    1 Feb 2023 425m away Householder

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