Planning application
6/2021/1496/HOUSE
6 Calder Avenue Brookmans Park AL9 7AQ
Proposal
Erection of single storey side extension, garage, front canopy and first floor rear extension.
As published by the council, reference 6/2021/1496/HOUSE
Timeline
Dates from the published record
-
11 May 2021
Received by Welwyn Hatfield
-
28 May 2021
Validated
Checked as complete and ready for consideration.
-
29 Jul 2021
Decision issued: Granted
-
24 Jul 2026
Added to PlanIndex
What a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
About householder applications
How this application type works
Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.
Nearby applications
Within 500 metres
-
6/2026/0525/FULL Awaiting decision
73 Mymms Drive Brookmans Park AL9 7AA
Erection of a new dwelling following demolition of the existing building
-
6/2024/1824/COND Granted
44 Mymms Drive Brookmans Park AL9 7AF
Submission of details pursuant to condition number 3 (Hard and Soft Landscaping) on planning permission 6/2021/1339/FULL
-
6/2023/0096/FULL Granted
104 Brookmans Avenue Hatfield AL9 7QQ
Erection of a dwelling following demolition of existing dwelling with alterations to boundary treatment including driveway, gate and piers.
-
6/2026/0881/COND Granted
29 The Grove Brookmans Park AL9 7RL
Submission of details pursuant to condition number 1 (material samples) and 2 (approved plans) on planning permission 6/2025/2477/HOUSE
-
6/2026/0826/HOUSE Granted
28 The Grove Brookmans Park AL9 7RN
Part conversion of garage to form utility room with two rooflights within the roof
-
6/2024/1673/HOUSE Granted
15 Mymms Drive Brookmans Park AL9 7AE
Conversion of the garage into a habitable room, erection of part single, part double storey front extension, first floor rear extension. Alterations to the roof including, raising the ridge and formation of crown roof with front and rears dormers and replacement roof tiles and the re-positioning of windows and doors and new render to external walls
Other householder applications
In Welwyn Hatfield
-
6/2025/2262/HOUSE Granted
9 Hill Rise Cuffley Potters Bar EN6 4ED
Erection of a part single and part two storey rear extension, garage conversion to habitable use and alterations to fenestration
-
6/2026/0904/HOUSE Granted
7 Greenfield Hatfield AL9 5HW
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
-
6/2026/0975/HOUSE Granted
4 Northwood Welwyn Garden City AL7 2PX
Erection of single storey rear extension and open pergola following demolition of conservatory
-
6/2026/0998/HOUSE Granted
41 Lemsford Lane Welwyn Garden City AL8 6YN
Erection of a single storey side/rear extension following the demolition of existing outbuilding
-
6/2026/1293/HOUSE Awaiting decision
33 Claves Crescent Welwyn Garden City AL7 1WN
Erection of a single storey rear conservatory