79 Sylvandale Welwyn Garden City AL7 2HT

1. 5 Dec 2022

   Received by Welwyn Hatfield

2. 30 Jan 2023

   Decision issued: Granted

3. 9 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 30 January 2023, 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.

• 60 Sylvandale Welwyn Garden City Hertfordshire AL7 2HT

  6/2023/0440/HOUSE Submitted 27 Feb 2023 50 yards away

  Erection of a single storey rear extension with garage conversion

  Granted Householder Extension
  Small domestic

• 56 Sylvandale Welwyn Garden City AL7 2HT

  6/2021/1818/HOUSE Submitted 11 Jun 2021 50 yards away

  Erection of single storey, part two storey rear extension, insertion of roof light to existing garage's roof to facilitate garage conversion and alterations to fenestration on existing front and rear elevations.

  Granted Householder Extension Loft or dormer +1
  Small domestic

• 17 Sylvandale Welwyn Garden City AL7 2HS

  6/2026/1508/HOUSE Submitted 27 Aug 2026 250 yards away

  87% historically approved · decision due ~22 Oct

  Erection of single storey front and rear extension, garage conversion and erection of rear outbuilding

  Awaiting decision Householder Extension
  Small domestic

• 1 Forresters Drive Welwyn Garden City AL7 2HN

  6/2021/2036/LAWP Submitted 5 Jul 2021 350 yards away

  Certificate of lawfulness to raise the height of existing roof to allow raised ceiling height to match main house

  Refused Lawful development

• 60 Lords Wood Welwyn Garden City AL7 2HG

  6/2023/0611/HOUSE Submitted 20 Mar 2023 400 yards away

  Erection of single storey front extension

  Granted Householder Extension
  Small domestic

• 59 Lords Wood Welwyn Garden City AL7 2HG

  6/2023/0572/HOUSE Submitted 14 Mar 2023 400 yards away

  Erection of first floor rear extension and proposed bricking up of existing opening on front elevation

  Granted Householder Extension
  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