11 Glenhaven Avenue Borehamwood Hertfordshire WD6 1AY

This site has had 3 applications since 2026.

• 26/1150/HSE Awaiting decision

  11 Glenhaven Avenue Borehamwood Hertfordshire WD6 1AY

  Single-storey side and rear extension.

  Submitted 11 Aug 2026 Householder
• 26/1151/CLP Awaiting decision

  11 Glenhaven Avenue Borehamwood Hertfordshire WD6 1AY

  Single storey rear extension, conversion of loft to habitable space including rear dormer and 2x front roof lights. Certificate of lawful development (Proposed).

  Submitted 11 Aug 2026 Lawful development

1. 11 Aug 2026

   Received by Hertsmere

2. 17 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 6 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Hertsmere took a median of 65 days over the applications it decided in the last year.

This application is with Hertsmere for determination, against a statutory target of eight weeks. Over the last year Hertsmere's median decision took 65 days. More in our guide to how long planning decisions take.

The published feed does not state which type of application this is; the register entry on Hertsmere's portal will say. Our guide explains the common types.

• 11 Glenhaven Avenue Borehamwood Hertfordshire WD6 1AY

  26/1150/HSE Submitted 11 Aug 2026 0m away

  90% historically approved · decision due ~6 Oct

  Single-storey side and rear extension.

  Awaiting decision Householder Extension 7 docs
  Small domestic

• 11 Glenhaven Avenue Borehamwood Hertfordshire WD6 1AY

  26/1151/CLP Submitted 11 Aug 2026 0m away

  78% historically approved · decision due ~6 Oct

  Single storey rear extension, conversion of loft to habitable space including rear dormer and 2x front roof lights. Certificate of lawful development (Proposed).

  Awaiting decision Lawful development Extension Loft or dormer 4 docs
  Small domestic

• Land To The Rear Of The Wellington Public House Theobald Street Borehamwood Hertfordshire WD6 4SE

  19/1754/DOC Submitted 30 Oct 2019 3m away

  Application for approval of details reserved by condition 10 (remedial works) of planning permission reference 17/1570/OUT.

  Decided Conditions 5 docs

• 13 Glenhaven Avenue Borehamwood Hertfordshire WD6 1AY

  24/0880/CLP Submitted 5 Jul 2024 17m away

  Construction of single storey side infill and rear extensions, and alterations to fenestration. Certificate of Lawful Development (Proposed).

  Granted Lawful development Extension Windows or glazing 6 docs
  Small domestic

• 9 Glenhaven Avenue Borehamwood Hertfordshire WD6 1AY

  19/1736/CLP Submitted 28 Oct 2019 28m away

  Construction of single storey rear extension. Certificate of Lawful Development (Proposed).

  Granted Lawful development Extension 13 docs
  Small domestic

• Land Adjacent To The Wellington PH (now Known As 1-9 Robinson Court) Theobald Street Borehamwood Hertfordshire

  22/2030/DOC Submitted 5 Dec 2022 28m away

  Application for approval of details reserved by conditions 5 & 9 (Car park management plan) and 8 (Waste management plan) of planning permission reference 18/1006/FUL

  Decided Conditions 6 docs