Aerial Mast Upper Knocksop Field Old House Lane Coolham West Sussex

1. 16 Feb 2026

   Received by Horsham

2. 16 Mar 2026

   Decision issued: NO OBJECTION to Notification

3. 12 Aug 2026

   Added to PlanIndex

• Application: DC/23/1768 (Decided)

Horsham granted permission on 16 March 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.

Telecoms applications cover masts, antennas and cabinets, usually as prior approval cases where the council considers siting and appearance only. More in our guide to planning application types.

• Comfrey Coolham Road Coneyhurst Billingshurst West Sussex RH14 9DH

  DC/21/1734 Submitted 23 Jul 2021 300 yards away

  Demolition of existing utility room and erection of a single storey rear extension. Addition of pitched roofs to existing rear dormers (Householder Application).

  Granted Householder Extension Loft or dormer +1 16 docs
  Small domestic

• Comfrey Coolham Road Coneyhurst Billingshurst West Sussex RH14 9DH

  DC/21/1735 Submitted 23 Jul 2021 300 yards away

  Demolition of existing utility room and erection of a single storey rear extension. Addition of pitched roofs to existing rear dormers (Listed Building Consent).

  Granted Heritage and listed buildings Extension Loft or dormer +1 16 docs
  Small domestic

• Comfrey Coolham Road Coneyhurst West Sussex RH14 9DH

  DC/23/0217 Submitted 7 Feb 2023 300 yards away

  Demolition of utility room addition to rear and erection of a single storey rear extension (Householder Application).

  Granted Householder Extension Demolition 15 docs
  Small domestic

• Comfrey Coolham Road Coneyhurst West Sussex RH14 9DH

  DC/23/0218 Submitted 7 Feb 2023 300 yards away

  Demolition of utility room addition to rear and erection of a single storey rear extension (Listed Building Consent).

  Granted Heritage and listed buildings Extension Demolition 15 docs
  Small domestic

• Coolham House Cottage Billingshurst Road Coolham Horsham West Sussex RH13 8QN

  DC/21/1882 Submitted 13 Aug 2021 0.3 miles away

  Non-Material Amendment to previously approved application DC/21/1027 (Demolition of existing dwelling and erection of a replacement four-bed barn style dwelling with ancillary 3-bay cart shed garage) to insert 2no. windows on the northern elevation and 2no. windows on the north-eastern elevation, with use of this room as a garden room

  Granted Amendments Demolition Windows or glazing 6 docs
  Small domestic

• Coolham House Cottage Billingshurst Road Coolham West Sussex RH13 8QN

  DC/25/2031 Submitted 8 Dec 2025 0.3 miles away

  Removal of condition 4 of previously approved application DC/23/1728 (Variation of condition 3 of previously approved application DC/21/1027 (Demolition of existing dwelling and erection of a replacement four-bed barn style dwelling with ancillary 3-bay cart shed garage) variation sought to allow for consideration of water neutrality requirements) relating to water neutrality.

  Granted Amendments Demolition 9 docs
  Small domestic

• DC/26/1446 Granted

  55 - 69 East Street Horsham West Sussex RH12 1HR

  Removal of the existing 20m monopole to be replaced by new 20m monopole, removal of 6no. antenna to be replaced by 9no. antenna, installation of 1no. cabinet, replacement of 1no. cabinet and ancillary development thereto.

  Received 2 Sep, published by the council 11 Sep 2026 Telecoms
• DC/26/1557 Awaiting decision

  Telecommunications Mast East Street Horsham West Sussex RH12 1HR

  Removal of the existing 20m monopole to be replaced by new 20m monopole, removal of 6no. antenna to be replaced by 9no. antenna, installation of 1no. cabinet, replacement of 1no. cabinet and ancillary development thereto.

  Received 29 Sep, published by the council 4 Oct 2026 Telecoms
• DC/26/1430 Granted

  Wellfield House Southwater Street Southwater Horsham West Sussex RH13 9BN

  Install fixed line broadband apparatus (1 x 9m telegraph pole).

  Received 1 Sep, published by the council 9 Sep 2026 Telecoms
• DC/26/1431 Granted

  Telecommunications Mast Parthings Farm Tower Hill Horsham West Sussex

  Removal and replacement of 3no. antennas, removal of 2no. cabinets and installation of 1no. cabinet, installation of a GPS, along with associated equipment works.

  Received 1 Sep, published by the council 9 Sep 2026 Telecoms
• DC/26/1523 Awaiting decision

  Outside 13 East Street Billingshurst West Sussex

  Installation of 1 x 9m wooden pole (fixed line broadband apparatus).

  Received 17 Sep, published by the council 28 Sep 2026 Telecoms