34 Brookside Crescent Cuffley Potters Bar EN6 4QN

1. 18 May 2026

   Received by Welwyn Hatfield

2. 9 Jun 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. 26 Jul 2026

   Status changed to Under Consideration

   Previously Under Consultation.

5. 4 Aug 2026

   Decision issued: Refused

Welwyn Hatfield refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 36 Brookside Crescent Cuffley Potters Bar EN6 4QN

  6/2023/0195/LAWP Submitted 26 Jan 2023 18m away

  Certificate of lawfulness for the conversion of garage to habitable space

  Granted Lawful development

• 40 Brookside Crescent Cuffley Potters Bar EN6 4QN

  6/2026/0680/HOUSE Submitted 16 Apr 2026 57m away

  Erection of two-storey front, side and rear extensions and alterations to the roof, including a crown roof to the rear, following partial demolition of the existing dwelling. Installation of solar panels to the rear crown roof.

  Granted Householder Extension Demolition
  Domestic

• 48 Brookside Crescent Cuffley Potters Bar EN6 4QN

  6/2021/1692/HOUSE Submitted 27 May 2021 88m 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 161m 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

• 17 Thrush Lane Cuffley Potters Bar EN6 4JT

  6/2024/1573/HOUSE Submitted 19 Aug 2024 170m away

  Erection of a two storey front and rear extension, first floor side and single storey rear extension following demolition of existing conservatory, chimney removal and alterations to openings

  Granted Householder Extension Demolition
  Small domestic

• 18 Thrush Lane Cuffley Potters Bar EN6 4JT

  6/2021/1795/HOUSE Submitted 9 Jun 2021 185m away

  Erection of a two storey side extension to both sides, single storey rear extension, loft conversion with installation of rear dormer and the insertion of skylights to the roof

  Refused Householder Extension Loft or dormer
  Small domestic

• 6/2026/1370/LAWP Granted

  17-17A Mill Lane Welwyn AL6 9EU

  Certificate of lawfulness for the change of use of offices to 3 x 2 bedroom flats

  3 Aug 2026 Lawful development
• 6/2026/1218/LAWP Granted

  43 Great Ley Welwyn Garden City AL7 4TJ

  Certificate of lawfulness for rear dormer roof extension to form a loft conversion

  13 Jul 2026 Lawful development
• 6/2026/1250/LAWP Granted

  40 Dellsome Lane Welham Green Hatfield AL9 7ND

  Certificate of lawfulness for Class A - Larger single storey rear extension (previously subject to prior approval application ref: 6/25/1851/PN8), Class B - Roof extension/hip to gable conversion, Class C - Other alterations to roof

  16 Jul 2026 Lawful development
• 6/2026/1210/LAWE Refused

  9 Flamingo Close Hatfield AL10 9LU

  Certificate of lawfulness for the existing use of the property as a HMO (Use Class C4) in continuous use for over 10 years

  10 Jul 2026 Lawful development
• 6/2026/0735/LAWE Refused

  1 Northaw Place Coopers Lane Northaw Potters Bar EN6 4NQ

  Certificate of lawfulness for the existing use of the land as residential garden land ancillary to the dwellinghouse continuously since 2012

  27 Apr 2026 Lawful development