12 Sycamore Avenue AL10 8LZ

1. 26 Nov 2024

   Received by Welwyn Hatfield

2. 28 Nov 2024

   Validated

   Checked as complete and ready for consideration.

3. 2 Jan 2025

   Decision issued: Prior Approval Not Required

4. 14 Sep 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 2 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.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• 12 Sycamore Avenue Hatfield AL10 8LZ

  6/2024/2005/PN8 Submitted 18 Oct 2024 0m away

  Prior approval for the erection of a single storey rear extension measuring 5.9m in depth, 3m in height and 2.6m to the eaves

  Refused Prior approval Extension
  Small domestic

• 12 Sycamore Avenue Hatfield AL10 8LZ

  6/2024/1548/HOUSE Submitted 14 Aug 2024 0m away

  Erection of part single, part two storey rear extension

  Refused Householder Extension
  Domestic

• 18 Sycamore Avenue Hatfield Hertfordshire AL10 8LZ

  6/2022/2646/LAWP Submitted 21 Nov 2022 55m away

  Certificate of lawfulness for single storey side extension, replacement of porch roof, alterations to existing openings and insertion of one front roof light

  Granted Lawful development Extension Loft or dormer +1
  Small domestic

• 2 Sycamore Avenue Hatfield AL10 8LZ

  6/2026/1160/HOUSE Submitted 3 Jul 2026 81m away

  Raising the roof height and converting the garage into habitable use, installation of a pergola to the rear elevation of the dwelling and alteration to fenestration.

  Granted Householder Windows or glazing
  Domestic

• 17 Sycamore Avenue Hatfield AL10 8LZ

  6/2026/1031/HOUSE Submitted 12 Jun 2026 83m away

  Erection of a part single storey, part two-storey rear extension, garage conversion, front porch extension, alterations to fenestration and external materials

  Withdrawn Householder Extension Windows or glazing
  Small domestic

• 96 Briars Lane Hatfield AL10 8EY

  6/2021/1146/HOUSE Submitted 8 Apr 2021 86m away

  Single storey front extension and alterations to fenestration on existing first floor front elevation

  Granted Householder Extension Windows or glazing
  Small domestic

• 6/2026/1385/PN14 Granted

  Car Park at Bishops Square Hatfield Business Park Hatfield AL10 9NE

  Prior approval for demolition of existing carpark building

  Received 5 Aug, published by the council 31 Aug 2026 Prior approval
• 6/2026/1125/PN8 Granted

  39 The Ridgeway Northaw EN6 4BD

  Prior approval for the erection of a single storey rear extensions measuring 8m in depth, 4m in height and 3m to the eaves

  Received 29 Jun, published by the council 24 Jul 2026 Prior approval
• 6/2026/1494/PN8 Awaiting decision

  6 West View Hatfield AL10 0PJ

  Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3m in height and 3m to the eaves

  Received 25 Aug, published by the council 13 Sep 2026 Prior approval
• 6/2026/1217/PN8 Refused

  48 Great Ganett Welwyn Garden City AL7 3DE

  Prior approval for a single storey rear extension measuring 4m in depth, 3m to the eaves and the maximum height of 3m

  Received 13 Jul, published by the council 24 Jul 2026 Prior approval
• 6/2026/1411/PN15 Awaiting decision

  Grass verge along Bessemer Road Bessemer Road Welwyn Garden City AL7 1ET

  Prior approval for the installation of 20m high Taurus Street pole with 9no antennas, 6no RRH and equipment housing, together with associated ancillary development

  Received 10 Aug, published by the council 31 Aug 2026 Prior approval