21 BIRCHWOOD AVENUE, BECKENHAM, BR3 3PY

This site has had 2 applications since 2026: 1 approved, 1 refused.

• 26/01667/HPA Granted

  21 BIRCHWOOD AVENUE, BECKENHAM, BR3 3PY

  Removal of existing side structure and construction of single storey rear extension.

  Decided 19 Jun 2026 Householder

1. 20 Feb 2026

   Received by Bromley

2. 17 Apr 2026

   Decision issued: PROPOSED USE/DEVELOPMENT IS NOT LAWFUL

3. 11 Aug 2026

   Added to PlanIndex

Bromley 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 21 BIRCHWOOD AVENUE, BECKENHAM, BR3 3PY

  26/01667/HPA Submitted 27 Apr 2026 50 yards away

  Removal of existing side structure and construction of single storey rear extension.

  Granted Householder Extension 8 docs
  Small domestic

• 81 Birchwood Avenue, Beckenham, BR3 3PY

  24/03365/HHPA Submitted 9 Sep 2024 50 yards away

  Single storey rear extension, extending beyond the rear wall of the original house by 3.00m, for which the maximum height would be 4.00m, and for which the height of the eaves would be 4.00m (42 Day Notification for Householder Permitted Development Prior Approval)

  Granted Prior approval Extension 5 docs
  Small domestic

• 67 BIRCHWOOD AVENUE, BECKENHAM, BR3 3PY

  26/00786/LDC Submitted 27 Feb 2026 50 yards away

  Use of dwellinghouse for accommodation for one looked-after child falls within Use Class C3(b) LAWFUL DEVELOPMENT CERTIFICATE (PROPOSED)

  Granted Lawful development 5 docs
  Domestic

• 33 Birchwood Avenue, Beckenham, BR3 3PY

  23/01179/FULL6 Submitted 24 Mar 2023 50 yards away

  Removal of existing garage roof, extension of garage with new roof.

  Granted Householder Extension Roofing 14 docs
  Domestic

• 35 Cherry Tree Walk, Beckenham, BR3 3PF

  23/01086/FULL6 Submitted 20 Mar 2023 50 yards away

  Installation of solar panels at front elevation and roof of dormer (Retrospective)

  Refused Householder Loft or dormer 11 docs
  Domestic

• 43 Derrick Road, Beckenham, BR3 3QG

  21/02662/FULL6 Submitted 26 May 2021 100 yards away

  Hip to gable loft conversion with rear dormer and front rooflights.

  Granted Householder Loft or dormer 14 docs
  Domestic

• 26/02681/LDC Granted

  THORN COTTAGE, DOWNE ROAD, KESTON, BR2 6AD

  Single storey front, rear and side extensions with elevational alterations. LAWFUL DEVELOPMENT CERTIFICATE (PROPOSED)

  Received 3 Jul, published by the council 25 Jul 2026 Lawful development
• 26/03104/LDC Granted

  9 TYLNEY ROAD, BROMLEY, BR1 2RJ

  Single storey rear extension and loft conversion comprising rear dormer with Juliet balcony and rooflights to front. LAWFUL DEVELOPMENT CERTIFICATE (PROPOSED)

  Received 3 Aug, published by the council 11 Aug 2026 Lawful development
• 26/03110/LDC Granted

  39 BRAMERTON ROAD, BECKENHAM, BR3 3NZ

  Loft conversion with front rooflights and rear dormer LAWFUL DEVELOPMENT CERTIFICATE (PROPOSED)

  Received 3 Aug, published by the council 11 Aug 2026 Lawful development
• 26/03036/LDC Granted

  23 AVENUE ROAD, BECKENHAM, LONDON, SE20 7RT

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

  Received 28 Jul, published by the council 2 Aug 2026 Lawful development
• 26/03827/LDC Awaiting decision

  24 STANHOPE GROVE, BECKENHAM, BR3 3JA

  Loft conversion, rear dormer with Juliet balcony. LAWFUL DEVELOPMENT CERTIFICATE (PROPOSED)

  Received 30 Sep, published by the council 6 Oct 2026 Lawful development