121 Northumberland Avenue Welling Kent DA16 2QE

1. 24 Feb 2026

   Received by Bexley

2. 21 Apr 2026

   Decision issued: Permission Granted with Conditions

3. 25 Jul 2026

   Added to PlanIndex

Bexley granted permission on 21 April 2026, 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 full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• Cabinet Side Of 105 Northumberland Avenue Welling Kent

  18/01210/GPDOT Submitted 16 May 2018 53m away

  Notice of permitted development for telecommunications apparatus comprising the installation of a cabinet.

  Granted Telecoms 1 doc

• 103 Northumberland Avenue Welling Kent DA16 2PZ

  18/00900/FUL Submitted 3 Apr 2018 67m away

  Single storey rear extension

  Granted Full applications Extension 3 docs
  Small domestic

• 120 Northumberland Avenue Welling Kent DA16 2PZ

  24/02744/FUL01 Submitted 19 Sep 2025 76m away

  95% historically approved · decision due ~14 Nov

  Application to approve details of condition 3 (Refuse, Recycling and Cycle Storage) pursuant to application 24/02744/FUL for Change of Use from Dwellinghouse (Class C3) to a House of Multiple Occupation (Class C4) for a maximum of six people involving the erection of part 1/part 2 storey front, side and rear extension and conversion of roof space involving alterations to existing roofline, including a rear dormer extension and two rooflights to front roofslope.

  Awaiting decision Conditions Extension Loft or dormer 4 docs
  Domestic

• 120 Northumberland Avenue Welling Kent DA16 2PZ

  24/02744/FULMIN Submitted 7 Jan 2026 76m away

  Non material amendment to alter the internal layout of approved application 24/02744/FUL which allowed the Change of Use from Dwellinghouse (Class C3) to a House of Multiple Occupation (Class C4) for a maximum of six people involving the erection of part 1/part 2 storey front, side and rear extension and conversion of roof space involving alterations to existing roofline, including a rear dormer extension and two rooflights to front roofslope.

  Granted Amendments Extension Loft or dormer 5 docs
  Domestic

• 120 Northumberland Avenue Welling Kent DA16 2PZ

  26/00120/FUL Submitted 21 Jan 2026 76m away

  Change of use from a 6-Person HMO (Class C4) to Larger House of Multiple Occupation (Sui Generis).

  Refused Full applications 21 docs

• 120 Northumberland Avenue Welling Kent DA16 2PZ

  25/02579/LDCP Submitted 18 Dec 2025 76m away

  Lawful Development Certificate (Proposed) for the Change of Use from House of Multiple Occupation (Class C4) to Larger House of Multiple Occupation (Sui Generis) for up to 8 occupants.

  Refused Lawful development 9 docs

• 26/01433/FUL Granted

  7 Birkbeck Road Sidcup Kent DA14 4DB

  Erection of a single storey rear extension.

  22 Jul 2026 Full applications
• 26/01439/FUL Granted

  97B Woolwich Road London SE2 0DY

  Conversion of garage to habitable room.

  22 Jul 2026 Full applications
• 26/01440/FUL Granted

  72 Barnehurst Avenue Bexleyheath Kent DA7 6QB

  Erection of a single storey rear extension including alterations to side fenestration, conversion of garage to habitable room following demolition of attached store.

  22 Jul 2026 Full applications
• 26/01430/FUL Granted

  65 Longmead Drive Sidcup Kent DA14 4NY

  Erection of a single storey side/rear extension following demolition of existing rear addition.

  21 Jul 2026 Full applications
• 26/01407/FUL Granted

  16 Priestlands Park Road Sidcup Kent DA15 7HR

  Erection of a single storey rear extension and conversion of roof space involving alterations to existing roofline, including dormer extensions and rooflights to front and rear roofslopes and raised platform to rear.

  17 Jul 2026 Full applications