17 Devonshire House Marlborough Drive Bushey Hertfordshire WD23 2RL

This site has had 2 applications since 2021: 2 approved, 0 refused.

• 21/1498/FUL Granted

  17 Devonshire House Marlborough Drive Bushey Hertfordshire WD23 2RL

  Installation of 3 x external air conditioning units to include associated pipe work (Retrospective application).

  Decided 13 Sep 2021 Full applications

1. 20 Jul 2021

   Received by Hertsmere

2. 27 Jul 2021

   Validated

   Checked as complete and ready for consideration.

3. 13 Sep 2021

   Decision issued: Grants Consent

4. 15 Sep 2026

   Added to PlanIndex

• Application: 21/1498/FUL (Decided)

Hertsmere granted permission on 13 September 2021, 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.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• 17 Devonshire House Marlborough Drive Bushey Hertfordshire WD23 2RL

  21/1498/FUL Submitted 20 Jul 2021 50 yards away

  Installation of 3 x external air conditioning units to include associated pipe work (Retrospective application).

  Granted Full applications 14 docs

• Flat 5 Wessex House Marlborough Drive Bushey Hertfordshire WD23 2RP

  26/0940/LBC Submitted 9 Jul 2026 50 yards away

  Replacement of existing double glazed units in ensuite bathroom (Application for Listed Building Consent).

  Decided Heritage and listed buildings Windows or glazing 9 docs

• Flat 5 Wessex House Marlborough Drive Bushey Hertfordshire WD23 2RP

  26/0512/LBC Submitted 14 Apr 2026 50 yards away

  Replacement of window glazing units. (Application for listed building consent)

  Granted Heritage and listed buildings Windows or glazing 7 docs

• The Chapel The International University Site The Avenue Bushey Hertfordshire

  23/1783/DOC Submitted 22 Dec 2023 100 yards away

  Application for approval of details reserved by conditions 3a (repairs) and 4a (timetable of dates) of planning permission reference 22/1129/LBC.

  Granted Conditions 7 docs

• International University Site The Avenue Bushey WD23 2LW

  TP/06/1643 Submitted 27 Dec 2006 150 yards away

  Alteration to existing Planning Permission for residential development TP/98/0620 & TP/98/0991 û (Block A2/Part Clock Tower, comprising 23 units to create 20 X 1, 2 & 3 bedroom units (excluding clock tower)); and (Block A7, comprising 22 units to create 21 X 1 & 2 bedroom units) together with new internal layout, mezzanine floors & external alterations. (Applications for Listed Building Consent).

  Granted Heritage and listed buildings New dwelling 6 docs
  Major scheme

• Royal Connaught Park The Avenue Bushey WD23 2LW

  26/0451/TPO Submitted 2 Apr 2026 150 yards away

  Within A1. T1508 OAK. Fell.

  Granted Trees 5 docs

• 26/0898/LBC Decided

  The White Hart St Albans Road South Mimms Potters Bar Hertfordshire EN6 3PJ

  Replacement of existing windows with bespoke timber windows and replacement of the northern perimeter wall (Application for Listed Building Consent)

  Received 29 Jun, published by the council 24 Jul 2026 Heritage and listed buildings
• 26/1448/LBC Awaiting decision

  The Cat And Fiddle 14 Cobden Hill Radlett Hertfordshire WD7 7JR

  New underpinning foundations and roof to existing listed building. (Application for Listed Building Consent.)

  Received 8 Oct, published by the council 15 Oct 2026 Heritage and listed buildings
• 26/1400/LBC Awaiting decision

  Fold Farm Galley Lane Barnet Hertfordshire EN5 4RA

  Repair of 5x existing windows and replacement of 11x existing windows.

  Received 29 Sep, published by the council 14 Oct 2026 Heritage and listed buildings
• 26/0793/LBC Decided

  Tyttenhanger House Coursers Road Colney Heath St Albans Hertfordshire AL4 0PG

  Repair and conservation of the timber roof structure and pitched roof coverings, re-covering of lead surfaces to the flat valley roof; repair and restoration of the clock tower (cupola), chimneys and entrance canopy; repair, repointing and conservation of the brick envelope; repairs to lead flashing, gutters, pipes and rainwater goods; repair of external windows; installation of roof insulation and photo-voltaic panels; repair of windows and doors; refurbishment and conservation of third floor including long gallery, addition of secondary window glazing; provision of kitchen and WCs; installation of lighting, fixtures and fittings; installation of glazed partitions; repainting, repair and conservation of timber panelling and associated works. (Associated application for full planning permission 26/0801/FUL.)

  Received 9 Jun, published by the council 24 Jul 2026 Heritage and listed buildings
• 26/1399/LBC Awaiting decision

  Tyttenhanger House Coursers Road Colney Heath St Albans Hertfordshire AL4 0PG

  Repairs and associated alterations to an outbuilding attached to Tyttenhanger House.

  Received 28 Sep, published by the council 2 Oct 2026 Heritage and listed buildings