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Planning application

21/02898/PLUD

15 Thornton Road, Bromley, BR1 5AP

Decided Bromley Lawful development: Proposed use

Proposal

To convert the roof from a hip to gable roof, build a rear-facing dormer on the rear roof slope, insert 3 No. roof windows in the front slope of the roof LAWFUL DEVELOPMENT CERTIFICATE (PROPOSED)

As published by the council, reference 21/02898/PLUD

Timeline

Dates from the published record

  1. 11 Jun 2021

    Received by Bromley

  2. 6 Aug 2021

    Decision issued: PROPOSED USE/DEVELOPMENT IS LAWFUL

  3. 3 Aug 2026

    Added to PlanIndex

After the decision

The process from here

The council has decided this application; the published outcome sits in the record above and the decision notice on the council portal carries the detail, including any conditions.

If permission was granted, work must normally begin within three years of the decision. If it was refused, the applicant can appeal within the statutory time limit or submit a revised scheme.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • 26/01806/FPA Awaiting decision

    28 THORNTON ROAD, BROMLEY, BR1 5AP

    Construction of single storey rear extension to No. 28 and part one/two storey side extension to form self-contained two bedroom dwelling house on land to side of No. 28 Thornton Road.

    30 Apr 2026 8m away Full applications
  • 26/01981/HPA Refused

    36 KYNASTON ROAD, BROMLEY, BR1 5AW

    Demolition of garage, construction of two storey side and rear extension and single storey rear extension, hip to gable loft conversion including rear roof dormer, and elevational alterations.

    15 May 2026 133m away Householder
  • 26/02503/HPA Awaiting decision

    13 KYNASTON ROAD, BROMLEY, BR1 5AN

    Single storey side extension with demolition of detached shed/garage and rear elevational alterations

    22 Jun 2026 139m away Householder
  • 26/02571/HPA Awaiting decision

    106 HILLCREST ROAD, BROMLEY, BR1 4SD

    Single storey rear extension

    25 Jun 2026 162m away Householder
  • 21/02995/PLUD Decided

    1 Sandringham Road, Bromley, BR1 5AR

    Hip to gable loft conversion with front rooflights, rear dormer and Juilet balcony LAWFUL DEVELOPMENT CERTIFICATE (PROPOSED)

    15 Jun 2021 191m away Lawful development
  • 21/02825/FULL6 Granted

    40 Sandringham Road, Bromley, BR1 5AS

    Double storey side extension incorporating a canopy and steps.

    7 Jun 2021 192m away Householder

In Bromley

  • 26/03081/LDC Awaiting decision

    69 BEECHFIELD ROAD, BROMLEY, BR1 3BT

    Demolition of garage and erection of replacement outbuilding. LAWFUL DEVELOPMENT CERTIFICATE (PROPOSED)

    31 Jul 2026 Lawful development
  • 26/02741/LDC Granted

    158 BLANDFORD ROAD, BECKENHAM, BR3 4NQ

    Loft conversion with rear dormer including Juliet balcony and three front rooflights LAWFUL DEVELOPMENT CERTIFICATE (PROPOSED)

    7 Jul 2026 Lawful development
  • 26/03069/LDC Awaiting decision

    140 WOODLAND WAY, WEST WICKHAM, BR4 9LU

    Garage conversion (Part) and elevational alterations LAWFUL DEVELOPMENT CERTIFICATE (PROPOSED)

    30 Jul 2026 Lawful development
  • 26/03074/LDC Awaiting decision

    85 BECK LANE, BECKENHAM, BR3 4RG

    Hip to gable loft conversion comprising rear dormer with window to side and rooflights to front. LAWFUL DEVELOPMENT CERTIFICATE (PROPOSED)

    30 Jul 2026 Lawful development
  • 26/03070/LDC Awaiting decision

    44 ELMSTEAD AVENUE, CHISLEHURST, BR7 6EQ

    Hip to gable loft conversion with rear dormer, rear Juliet balcony and front rooflight. LAWFUL DEVELOPMENT CERTIFICATE (PROPOSED)

    30 Jul 2026 Lawful development