11 Hilmay Drive Hemel Hempstead Hertfordshire HP1 1TZ

1. 16 Jan 2023

   Received by Dacorum

2. 6 Mar 2023

   Decision issued: Grant Permission/Consent

3. 9 Aug 2026

   Added to PlanIndex

Dacorum granted permission on 6 March 2023, 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.

• 6 Hilmay Drive Hemel Hempstead Hertfordshire HP1 1TZ

  23/01095/FHA Submitted 5 May 2023 50 yards away

  Single storey rear extension and first floor front extension

  Granted Householder Extension 6 docs
  Small domestic

• 40 Anchor Lane Hemel Hempstead Hertfordshire HP1 1TY

  26/01535/FHA Submitted 9 Jul 2026 50 yards away

  Amendments to existing ground floor extension

  Granted Householder Extension
  Domestic

• 40 Anchor Lane Hemel Hempstead Hertfordshire HP1 1TY

  26/01534/LDP Submitted 9 Jul 2026 50 yards away

  Loft conversion, outbuilding and porch extension

  Granted Lawful development Extension Loft or dormer 8 docs
  Small domestic

• 6 Anchor Lane Hemel Hempstead Hertfordshire HP1 1TY

  26/01744/FHA Submitted 11 Aug 2026 100 yards away

  Demolition of the existing rear conservatory with replacement single storey rear extension with rooflights.

  Granted Householder Extension Loft or dormer +1 7 docs
  Small domestic

• Hemel Hempstead School Heath Lane Hemel Hempstead Hertfordshire HP1 1TX

  26/01651/FUL Submitted 29 Jul 2026 100 yards away

  76% historically approved · decision due ~23 Sep

  Two-storey extension to the existing Sixth Form and Teaching Block, along with associated plant infrastructure and external works.

  Awaiting decision Full applications Extension 23 docs

• 13 Heath Close Hemel Hempstead Hertfordshire HP1 1TU

  24/02460/FHA Submitted 30 Oct 2024 100 yards away

  Demolition of existing rear extension, new rear ground and first floor extension, loft conversion with hip to gable roof extensions and replacement front porch.

  Withdrawn Householder Extension Loft or dormer +1 13 docs
  Small domestic

• 26/02182/LDP Awaiting decision

  8 Thumpers Hemel Hempstead Hertfordshire HP2 5SJ

  Erection of a front entrance porch extension and replacement of the existing flat porch roof with a pitched tiled roof.

  Received 7 Oct, published by the council 9 Oct 2026 Lawful development
• 26/01823/LDP Granted

  50 Argyll Road Hemel Hempstead Hertfordshire HP2 6ND

  Loft conversion, rear dormer and front velux windows

  Received 21 Aug, published by the council 27 Aug 2026 Lawful development
• 26/02160/LDP Awaiting decision

  72 Victoria Road Berkhamsted Hertfordshire HP4 2JS

  Single storey rear extension with patio

  Received 6 Oct, published by the council 9 Oct 2026 Lawful development
• 26/02159/LDE Awaiting decision

  Venus Hill Farm Venus Hill Flaunden Hertfordshire HP3 0PG

  Confirming lawfulness of existing building used as a private art studio ancillary to the dwelling house. The outbuilding is situated to the east of east and north-east of the main farmhouse and is identified on the submitted as-built site plan, existing elevation drawings and annotated aerial imagery. The applicant advises that the footings and foundations were in place in April 2013 and believes that construction was fully completed in 2015. Since completion, the building has been used as a private art studio by the occupants of the dwelling house. No separate residential or independent commercial use is included in this application.

  Received 6 Oct, published by the council 9 Oct 2026 Lawful development
• 26/02143/LDP Awaiting decision

  10 Langley Avenue Hemel Hempstead Hertfordshire HP3 9NP

  Lawful Development Certificate for change of use from a 6 Person HMO (Class C4) to a 7 Person HMO (Sui-Generis)

  Received 2 Oct, published by the council 6 Oct 2026 Lawful development