Planning application
57 Briars Lane Hatfield AL10 8EX
Works: Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Certificate of lawfulness for a proposed loft conversion with the installation of a rear dormer and four rooflights in the front elevation
As published by the council, reference 6/2026/1219/LAWP
Application record
- Reference
- 6/2026/1219/LAWP
- Type
- LAWFUL DEVELOPMENT - PROPOSED
- Status
- Decided - Granted
- Decision
- Granted
- Received
- 13 Jul 2026
- Validated
- 13 Jul 2026
- Decided
- 3 Sep 2026
- Ward
- Hatfield South West
- Parish
- Hatfield
- Decision by
- Delegated
- Postcode
- AL10 8EX
Site history
Applications at this address on the Welwyn Hatfield register
This site has had 5 applications since 2026: 3 approved, 1 refused.
-
6/2026/0987/LAWP Granted
57 Briars Lane Hatfield AL10 8EX
Certificate of lawfulness for proposed alterations to the existing carport and garden room
-
6/2026/0843/HOUSE Refused
57 Briars Lane Hatfield AL10 8EX
Formation of four dormers to front and a rear dormer to facilitate loft conversion
-
6/2026/0842/HOUSE Granted
57 Briars Lane Hatfield AL10 8EX
Erection of a single storey side extension
-
6/2026/0819/LAWE Withdrawn
57 Briars Lane Hatfield AL10 8EX
Certificate of lawfulness for the retention of outbuilding/ carport in front garden and outbuilding in rear garden
Timeline
Dates from the published record
-
13 Jul 2026
Received by Welwyn Hatfield
-
24 Jul 2026
Added to PlanIndex
-
3 Sep 2026
Decision issued: Granted
What this grant of permission means
Welwyn Hatfield granted permission on 3 September 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.
About lawful development applications
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.
Nearby applications
Within 500 metres
-
57 Briars Lane Hatfield AL10 8EX
Certificate of lawfulness for proposed alterations to the existing carport and garden room
Granted Lawful development -
57 Briars Lane Hatfield AL10 8EX
Certificate of lawfulness for the retention of outbuilding/ carport in front garden and outbuilding in rear garden
Withdrawn Lawful development -
57 Briars Lane Hatfield AL10 8EX
Formation of four dormers to front and a rear dormer to facilitate loft conversion
Refused Householder Loft or dormerDomestic -
57 Briars Lane Hatfield AL10 8EX
Erection of a single storey side extension
Granted Householder ExtensionSmall domestic -
71 Briars Lane Hatfield AL10 8EX
84% historically approved · decision due ~28 Sep
Erection of a single storey side extension
Awaiting decision Householder ExtensionSmall domestic -
Domestic
Other lawful development applications
In Welwyn Hatfield
-
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
-
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
-
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
-
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
-
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