40 Brookside Crescent Cuffley Potters Bar EN6 4QN

1. 16 Apr 2026

   Received by Welwyn Hatfield

2. 17 Apr 2026

   Validated

   Checked as complete and ready for consideration.

3. 7 Jul 2026

   Decision issued: Granted

4. 24 Jul 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 7 July 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.

• 36 Brookside Crescent Cuffley Potters Bar EN6 4QN

  6/2023/0195/LAWP Submitted 26 Jan 2023 39m away

  Certificate of lawfulness for the conversion of garage to habitable space

  Granted Lawful development

• 34 Brookside Crescent Cuffley Potters Bar EN6 4QN

  6/2026/0872/LAWE Submitted 18 May 2026 57m away

  Certificate of lawfulness for an existing garage conversion being used as a home office with alterations to the front elevation and erection of storage shed (side/rear extension)

  Refused Lawful development Extension
  Small domestic

• 48 Brookside Crescent Cuffley Potters Bar EN6 4QN

  6/2021/1692/HOUSE Submitted 27 May 2021 67m away

  Erection of a two storey side extension and alterations to fenestration

  Refused Householder Extension Windows or glazing
  Domestic

• 74 Brookside Crescent Cuffley Potters Bar EN6 4QJ

  6/2022/2148/HOUSE Submitted 15 Sep 2022 105m away

  Erection of single storey side and rear extension, installation of two side dormers, rear dormer to facilitate the conversion of the loft to habitable space.

  Granted Householder Extension Loft or dormer
  Small domestic

• 5 Brookside Crescent Cuffley Potters Bar EN6 4QW

  6/2026/1010/LAWP Submitted 9 Jun 2026 156m away

  Certificate of lawfulness for loft extension with side dormers and the addition of two rooflights to the front roof space and one to the rear

  Granted Lawful development Extension Loft or dormer

• 5 Brookside Crescent Cuffley Potters Bar EN6 4QW

  6/2026/1011/HOUSE Submitted 9 Jun 2026 156m away

  Erection of rear extension, single storey side extension, new porch, additions/alterations to windows on side elevation and demolition of garage

  Granted Householder Extension Demolition +1
  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

  10 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

  17 Jul 2026 Householder
• 6/2026/1293/HOUSE Granted

  33 Claves Crescent Welwyn Garden City AL7 1WN

  Erection of a single storey rear conservatory

  22 Jul 2026 Householder
• 6/2026/1202/HOUSE Granted

  40 Cecil Crescent Hatfield AL10 0HG

  Erection of single storey rear extension

  10 Jul 2026 Householder
• 6/2026/1228/HOUSE Granted

  109 Mount Way Welwyn Garden City AL7 4LA

  Erection of single storey front extension

  13 Jul 2026 Householder