Units 4 To 5 Riverside Industrial Estate London Colney Bypass London Colney Hertfordshire AL2 1AY

This site has had 2 applications since 2022: 2 approved, 0 refused.

• 22/2146/ADJ Granted

  Units 4 To 5 Riverside Industrial Estate London Colney Bypass London Colney Hertfordshire Al2 1AY

  Outline application (access sought) for the demolition of existing buildings and the development of 7.57ha to provide flexible commercial/employment space falling within either Class B8 (Storage and Distribution) or a sui generis data centre and strategic (Consultation from Adjacent Borough).

  Decided 11 Jan 2023 Outline

1. 2 Jan 2025

   Received by Hertsmere

2. 21 Jan 2025

   Decision issued: Raise No Objections

3. 10 Oct 2026

   Added to PlanIndex

Hertsmere granted permission on 21 January 2025, 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.

An outline application tests the principle of developing a site, holding back details such as appearance and landscaping as reserved matters for later approval. More in our guide to planning application types.

• Units 4 To 5 Riverside Industrial Estate London Colney Bypass London Colney Hertfordshire Al2 1AY

  22/2146/ADJ Submitted 23 Dec 2022 50 yards away

  Outline application (access sought) for the demolition of existing buildings and the development of 7.57ha to provide flexible commercial/employment space falling within either Class B8 (Storage and Distribution) or a sui generis data centre and strategic (Consultation from Adjacent Borough).

  Granted Outline Demolition

• Unit 1 Riverside Industrial Estate London Colney Bypass London Colney Hertfordshire Al2 1Hj

  5/2026/1178 Submitted 18 Jun 2026 200 yards away

  Prior Approval – Demolition of Unit 1 comprises a singular rectangular industrial building with a service yard and hardstanding area for vehicle parking. The building extends to approximately 6,409.87 sqm and is of steel portal frame construction. The bui

  Refused Prior approval Demolition 9 docs

• Unit 1 Riverside Industrial Estate London Colney Bypass London Colney Hertfordshire Al2 1Hj

  5/2026/1478 Submitted 4 Aug 2026 200 yards away

  Prior Approval - Demolition of building, site clearance and restoration

  Refused Prior approval Demolition 8 docs

• Unit 1 Riverside Industrial Estate London Colney Bypass London Colney Hertfordshire Al2 1Hj

  5/2026/1701 Submitted 17 Sep 2026 200 yards away

  60% historically approved · decision due ~12 Nov

  Prior Approval - Demolition of Unit 1 comprises a singular rectangular industrial building with a service yard and hardstanding area for vehicle parking. The building extends to approximately 6,409.87 sqm and is of steel portal frame construction. The bui

  Awaiting decision Prior approval Demolition 6 docs

• 4 Robins Close London Colney Hertfordshire Al2 1Qt

  5/2026/1096 Submitted 8 Jun 2026 200 yards away

  89% historically approved · decision due ~20 Aug

  Demolition of existing conservatory and construction of a single storey rear extension with rooflights and internal alterations

  Awaiting decision Householder Extension Loft or dormer +1 6 docs
  Small domestic

• 1 Robins Close London Colney Hertfordshire Al2 1Qt

  5/2026/0328 Submitted 20 Feb 2026 200 yards away

  First floor rear extension, new window to side elevation and internal alterations

  Granted Householder Extension Windows or glazing 9 docs
  Domestic

• 26/1236/OUTEI Awaiting decision

  Home Farm Common Lane Radlett Hertfordshire WD7 8PL

  Outline planning application (with all matters reserved except access) comprising a residential development of up to 650 dwellings (Use Class C3); a one-form entry primary school and nursery; supporting mixed uses (Use Classes E and F) with associated landscaping; amenity space; drainage infrastructure and all other associated works. The application is accompanied by an Environmental Statement (EIA Development).

  Received 26 Aug, published by the council 29 Sep 2026 Outline
• 26/1225/ADJ Awaiting decision

  Heathfield Lodge Great North Road Little Heath Potters Bar EN6 1JD

  Erection of two-storey block of 4 x 2 bedroom apartments with parking and landscaped gardens following the demolition of existing bungalow.(Consultation from Adjacent Borough)

  Received 25 Aug, published by the council 1 Sep 2026 Outline
• 26/0962/EI2 Decided

  Land Known As Home Farm Common Lane Radlett Hertfordshire

  Request for a scoping opinion (Environmental Impact Assessment).

  Received 10 Jul, published by the council 24 Jul 2026 Outline
• 26/1112/OUT Awaiting decision

  Land South Of Allum Lane Elstree Borehamwood Hertfordshire

  Outline planning application (with all matters reserved except access) for the erection of residential dwellings (Class C3), new access, landscaping, parking and ancillary works.

  Received 5 Aug, published by the council 9 Aug 2026 Outline
• 26/1048/OUT Awaiting decision

  Land Rear Of 31 - 61 Blanche Lane South Mimms Hertfordshire

  Construction of up to 49 dwellings on Land off Blanche Lane. (Outline application to include access, all other matters reserved)

  Received 28 Jul, published by the council 11 Aug 2026 Outline