21 The Swallows Welwyn Garden City AL7 1BX

1. 17 Jul 2026

   Received by Welwyn Hatfield

2. 1 Aug 2026

   Added to PlanIndex

3. 22 Aug 2026

   Status changed to Under Consideration

   Previously Under Consultation.

4. 10 Sep 2026

   Decision issued: Granted

Welwyn Hatfield granted permission on 10 September 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 75 Rosedale, Welwyn Garden City, AL7 1DP

  6/2026/1179/EMT Submitted 7 Jul 2026 50 yards away

  Reduce 1 x Oak by 1.5m in height and width

  Granted Trees

• 75 Rosedale Welwyn Garden City AL7 1DP

  6/2023/0310/EMT Submitted 8 Feb 2023 50 yards away

  1 x Oak to reduce by approximately 1.5m in height and 1.5m radially. To maintain size and health of tree that spans 4/5 gardens.

  Granted Trees

• 79 Rosedale Welwyn Garden City AL7 1DP

  6/2024/1799/EM Submitted 18 Sep 2024 50 yards away

  Erection of a single storey rear extension, new ground floor window (front) and extension of front footpath

  Granted Extension Windows or glazing
  Small domestic

• 33 The Swallows Welwyn Garden City AL7 1BX

  6/2024/1830/HOUSE Submitted 24 Sep 2024 50 yards away

  Loft conversion with dormer to rear and insertion of rooflights to existing front roof elevation

  Granted Householder Loft or dormer
  Domestic

• 35 The Swallows Welwyn Garden City AL7 1BX

  6/2021/1582/HOUSE Submitted 18 May 2021 50 yards away

  Garage conversion, including window to front. Loft conversion with insertion of roof lights and window to side elevation.

  Granted Householder Loft or dormer Windows or glazing
  Small domestic

• 145 Blythway Welwyn Garden City AL7 1DS

  6/2023/0617/EM Submitted 20 Mar 2023 100 yards away

  Erection of single storey front extension, following demolition of existing porch and insertion of 2 No windows to side elevation, all including one-way privacy glass

  Refused Extension Demolition +1
  Small domestic

• 6/2026/1408/HOUSE Granted

  Wytmead Essendon Hill Essendon Hatfield AL9 6AW

  Reinstatement of the previously truncated chimney

  Received 10 Aug, published by the council 31 Aug 2026 Householder
• 6/2026/1170/HOUSE Granted

  6 Highfields Cuffley Potters Bar EN6 4EL

  Conversion of garage into study room with alterations to the front elevation, repositioning of lower ground floor entrance hall, erection of two storey infill side extension with internal alterations, replacement of existing front and side building brickwork with K-Render finish, removal of chimney and installation of 2 rooflights

  Received 6 Jul, published by the council 30 Jul 2026 Householder
• 6/2026/1177/HOUSE Granted

  Red Lodge High Road Essendon Hatfield AL9 6HU

  Erection of two single-storey side extensions, detached garage with barn-hipped roof and photovoltaic panels, relocated garden room and associated works to hardstanding and site layout.

  Received 7 Jul, published by the council 9 Aug 2026 Householder
• 6/2026/1376/HOUSE Granted

  18 Briary Wood Lane Welwyn AL6 0TF

  Erection of a single storey ground floor extension & part two storey rear, raising the roof and alterations to facilitate loft conversion to include new crown roof with front & rear dormers

  Received 4 Aug, published by the council 22 Aug 2026 Householder
• 6/2026/1392/HOUSE Granted

  1 Little Wade Welwyn Garden City AL7 4LE

  Erection of a single storey rear extension

  Received 6 Aug, published by the council 15 Aug 2026 Householder