42 Walwyn Avenue, Bromley, BR1 2RD

1. 11 Nov 2024

   Received by Bromley

2. 30 Dec 2024

   Decision issued: PROPOSED USE/DEVELOPMENT IS LAWFUL

3. 9 Sep 2026

   Added to PlanIndex

Bromley granted permission on 30 December 2024, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. 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.

• 15 WALWYN AVENUE, BROMLEY, BR1 2RD

  26/00358/FPA Submitted 2 Feb 2026 50 yards away

  Demolition of existing garages to rear of 15 Walwyn Avenue and construction of single storey 1-Bed / 2-Person dwelling (Use Class C3) with associated car parking, refuse storage, cycle parking and landscaping.

  Refused Full applications Demolition 21 docs
  Small domestic

• 11 WALWYN AVENUE, BROMLEY, BR1 2RD

  25/04307/HPA Submitted 11 Sep 2025 50 yards away

  Single storey rear extension

  Granted Householder Extension 6 docs
  Small domestic

• 20 WALWYN AVENUE, BROMLEY, BR1 2RD

  25/05538/HPA Submitted 1 Dec 2025 50 yards away

  Demolition of conservatory and outbuilding. Two storey side and single storey rear extension.

  Granted Householder Extension Demolition 13 docs
  Small domestic

• 40 Mornington Avenue, Bromley, BR1 2RF

  21/02234/FULL6 Submitted 5 May 2021 50 yards away

  Loft conversion with en suite, incorporating dormer to rear and rooflights to the front and first floor rear extension to provide enlarged bedroom

  Granted Householder Extension Loft or dormer 8 docs
  Domestic

• 9 CARLYLE AVENUE, BROMLEY, BR1 2RB

  26/03529/HPA Submitted 9 Sep 2026 50 yards away

  78% historically approved · decision due ~5 Nov

  Hipped to gable loft conversion including rear roof dormer and three front roof lights.

  Awaiting decision Householder Loft or dormer 13 docs
  Domestic

• 15 Carlyle Avenue, Bromley, BR1 2RB

  23/01219/FULL6 Submitted 28 Mar 2023 100 yards away

  Proposed first floor side and rear extension and floorplan redesign

  Granted Householder Extension 11 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