9 Lanercost Close Welwyn AL6 0RW

1. 24 Apr 2026

   Received by Welwyn Hatfield

2. 6 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 30 Jun 2026

   Decision issued: Granted

4. 24 Jul 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 30 June 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.

• 6 Peace Grove Welwyn AL6 0RS

  6/2024/1747/OUTLINE Submitted 10 Sep 2024 50 yards away

  Outline permission for the erection of two detached dwellings following the demolition of existing plot and garages with all matters reserved except for layout

  Refused Outline Demolition

• 2 Lanercost Close Welwyn AL6 0RW

  6/2025/1722/HOUSE Submitted 13 Aug 2025 100 yards away

  Erection of a single storey side extensions x 2, first floor rear extension, roof alterations including addition of dormers to side and rear elevations, insertion of roof lights, Juliet balcony onto terrace and alterations to openings and boundary wall

  Granted Householder Extension Loft or dormer +1
  Small domestic

• 17 Oaklands Rise Welwyn AL6 0RN

  6/2019/2597/TPO Submitted 14 Oct 2019 150 yards away

  Reduce 1 x Oak (T1) crown by 20%

  Granted Trees

• 17 Oaklands Rise Welwyn AL6 0RN

  6/2026/0611/TPO Submitted 7 Apr 2026 150 yards away

  Oak tree TPO 661 - T1 Remove deadwood

  Granted Trees

• Rivendell 13C Oaklands Rise Welwyn AL6 0RN

  6/2024/1477/TPO Submitted 5 Aug 2024 200 yards away

  T1 Oak to fell - TPO 671 (2017) T1

  Granted Trees

• 32 Turpins Chase Welwyn AL6 0RR

  6/2026/1526/HOUSE Submitted 1 Sep 2026 200 yards away

  85% historically approved · decision due ~27 Oct

  Erection of a single storey side extension and a new garage on ground floor level, conversion of the existing garage and installation of an air source heat pump

  Awaiting decision Householder Extension
  Small domestic

• 6/2026/1198/HOUSE Granted

  9 Mardley Hill Welwyn AL6 0UE

  Erection of single storey front, side and rear extension, raising the existing roof and formation of rear dormer. Alterations to the fenestration, including, installation of new windows and doors and external rendering and cladding, following the demolition of garage and porch

  Received 10 Jul, published by the council 24 Jul 2026 Householder
• 6/2026/1257/HOUSE Granted

  21 The Swallows Welwyn Garden City AL7 1BX

  Garage conversion with alterations to openings to front and rear elevations

  Received 17 Jul, published by the council 1 Aug 2026 Householder
• 6/2026/1293/HOUSE Granted

  33 Claves Crescent Welwyn Garden City AL7 1WN

  Erection of a single storey rear conservatory

  Received 22 Jul, published by the council 1 Aug 2026 Householder
• 6/2026/1202/HOUSE Granted

  40 Cecil Crescent Hatfield AL10 0HG

  Erection of single storey rear extension

  Received 10 Jul, published by the council 9 Aug 2026 Householder
• 6/2026/1228/HOUSE Granted

  109 Mount Way Welwyn Garden City AL7 4LA

  Erection of single storey front extension

  Received 13 Jul, published by the council 9 Aug 2026 Householder