28 Pleasant Rise Hatfield AL9 5DU

1. 8 Sep 2026

   Received by Welwyn Hatfield

2. 22 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 3 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Welwyn Hatfield took a median of 58 days over the applications it decided in the last year.

This application is with Welwyn Hatfield for determination, against a statutory target of eight weeks. Over the last year Welwyn Hatfield decided lawful development applications in a median of 58 days. More in our guide to how long planning decisions take.

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.

• 10 Sunnyfield Hatfield AL9 5DX

  6/2024/1282/FULL Submitted 8 Jul 2024 50 yards away

  Erection of a replacement dwelling following the demolition of the existing dwelling, alterations to existing garage and hardstanding

  Granted Full applications Demolition
  Domestic

• 22 Pleasant Rise Hatfield AL9 5DU

  6/2024/1837/LAWP Submitted 24 Sep 2024 50 yards away

  Certificate of lawfulness for the installation of a rear dormer window

  Granted Lawful development Loft or dormer Windows or glazing

• 15 Greenfield Hatfield AL9 5HW

  6/2021/0765/HOUSE Submitted 9 Mar 2021 100 yards away

  Erection of a two storey front and side extension

  Granted Householder Extension
  Domestic

• 13 Greenfield Hatfield AL9 5HW

  6/2026/0368/HOUSE Submitted 27 Feb 2026 100 yards away

  Erection of single storey rear extension, first floor front and side extension, single storey front infill extension and alteration to fenestration

  Granted Householder Extension Windows or glazing
  Small domestic

• 13 Greenfield Hatfield AL9 5HW

  6/2026/1014/HOUSE Submitted 9 Jun 2026 100 yards away

  Erection of two-storey front extension

  Refused Householder Extension
  Domestic

• 7 Greenfield Hatfield AL9 5HW

  6/2026/0904/HOUSE Submitted 21 May 2026 150 yards away

  Erection of a single storey rear extension, conversion of double integral garage, covered porch, replacement front dormer and erection of new boundary wall following the removal of the existing hedge

  Granted Householder Extension Loft or dormer
  Small domestic

• 6/2026/1288/LAWE Granted

  1 The Limberlost Welwyn AL6 9TS

  Certificate of existing lawfulness for a single storey extension

  Received 22 Jul, published by the council 22 Aug 2026 Lawful development
• 6/2026/1297/LAWE Granted

  White Lodge Farm The Bellbrook Bulls Lane Hatfield AL9 7AZ

  Certificate of lawfulness in relation to existing gate and fencing

  Received 23 Jul, published by the council 9 Aug 2026 Lawful development
• 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

  Received 3 Aug, published by the council 15 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

  Received 13 Jul, published by the council 9 Aug 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

  Received 16 Jul, published by the council 9 Aug 2026 Lawful development