England · Postcode area AL9
Planning applications in AL9, Welwyn Hatfield
PlanningTrack collects these records from the public planning register of Welwyn Hatfield Borough Council. 215 applications with a postcode in AL9 were received in the last 12 months. Search an address, application reference or proposal, or open the Welwyn Hatfield planning applications page. Official Welwyn Hatfield website
- Under Consultation6/2026/1784/FULL
Replacement bin store
Colonial House 87 Great North Road AL9 5DA
Received 7 Oct 2026 - Under Consultation6/2026/1735/MAJ
Erection of a small animals teaching hospital (Use Class F1), together with associated parking, landscaping, servicing, plant and associated works following demolition of existing buildings
Royal Veterinary College Hawkshead Lane North Mymms AL9 7TA
Received 1 Oct 2026 - Under Consultation6/2026/1731/HOUSE
Erection of a basement extension, fenestration alteration and wall and roof replacement
Lakeside Manor West End Lane Essendon Hatfield AL9 6AZ
Received 30 Sept 2026 - Decided6/2026/1727/TC
Fell Birch Tree (5 day notice)
The Manor House Essendon Hill Essendon Hatfield AL9 6AJ
Received 30 Sept 2026 - Under Consultation6/2026/1678/HOUSE
Installation of front dormer and insertion of bi folding doors to rear
Sunnyside Essendon Hill Essendon Hatfield AL9 6AJ
Received 22 Sept 2026 - Under Consultation6/2026/1646/LB
Roof repairs and ancillary works associated with the Grade I Listed Hatfield House
Hatfield House Hatfield Park Great North Road Hatfield AL9 5NF
Received 21 Sept 2026 - Under Consultation6/2026/1649/FULL
Erection of canopy
17A The Broadway Hatfield AL9 5HZ
Received 21 Sept 2026 - Under Consultation6/2026/1632/FULL
Erection of dwelling following the demolition of existing dwelling
19 Pine Grove Brookmans Park AL9 7BP
Received 18 Sept 2026 - Under Consideration6/2026/1572/COND
Submission of details pursuant to condition number 1 (Demolition and Construction Management Plan) on planning permission 6/2026/0138/FULL
83 Brookmans Avenue Brookmans Park AL9 7QG
Received 9 Sept 2026 - Under Consideration6/2026/1559/LAWP
Certificate of lawfulness for construction of a new detached, single-storey garden room/summerhouse within an existing rear garden
28 Pleasant Rise Hatfield AL9 5DU
Received 8 Sept 2026 - Under Consultation6/2026/1550/FULL
Erection of dwelling following demolition of existing dwelling
73 Mymms Drive Brookmans Park AL9 7AA
Received 7 Sept 2026 - Under Consideration6/2026/1555/COND
Submission of details pursuant to condition number 5 (energy statement) on planning permission 6/2025/2133/FULL
58 Bell Lane Brookmans Park AL9 7AY
Received 7 Sept 2026 - Decided - Granted6/2026/1537/COND
Submission of details pursuant to Condition 15 (Fire Hydrants) on planning permission 6/2024/2418/MAJ
Land south of Welham Manor and west of Station Road, including 26 Station Road Welham Green AL9 7EL
Received 3 Sept 2026 - Under Consultation6/2026/1538/TPO
Ground works and associated root pruning/ severance of T3 (Oak) and other trees not advised to be the subject of a TPO to facilitate installation of a root barrier 66m in length and 4m in depth TPO 580 (2016)
Chine House Wild Hill Hatfield AL9 6EB
Received 3 Sept 2026 - Under Consideration6/2026/1533/ADV
Remove old signage & replace with new
37-39 Bradmore Green Brookmans Park AL9 7QR
Received 2 Sept 2026 - Under Consideration6/2026/1502/HOUSE
Erection of single storey rear extension with raising of roof to existing extension, and alterations to openings to rear and side elevations
143 The Ryde Hatfield AL9 5DP
Received 26 Aug 2026 - Under Consideration6/2026/1503/LAWE
Certificate of lawfulness for the replacement of damaged and aged windows on the front and rear elevations
27 Batterdale Hatfield AL9 5JG
Received 26 Aug 2026 - Decided - Granted6/2026/1478/COND
Submission of details pursuant to Condition 1 (details of external render) and Condition 2 (details of windows and doors) on planning permission 6/2025/1617/HOUSE
27 The Grove Brookmans Park AL9 7RL
Received 21 Aug 2026 - Decided - Granted6/2026/1477/HOUSE
Retention of single storey timber structure as gym and addition of storm porch
4 Brookmans Avenue Brookmans Park AL9 7QJ
Received 21 Aug 2026 - Decided - Granted6/2026/1473/COND
Submission of details pursuant to Condition 2 (boundary treatments) on planning permission 6/2025/0285/HOUSE
38 The Grove Brookmans Park AL9 7RN
Received 20 Aug 2026 - Under Consideration6/2026/1448/PIP
Permission in principle for the erection of a single dwelling
Land North of 58 Bell Lane Brookmans Park AL9 7AY
Received 18 Aug 2026 - Under Consideration6/2026/1449/COND
Submission of details pursuant to Condition 4 (landscaping) on planning permission 6/2023/0622/FULL
4 Brookmans Avenue Brookmans Park AL9 7QJ
Received 18 Aug 2026 - Under Consideration6/2026/1428/HOUSE
Erection of single storey rear garage extension
7 Pleasant Rise Hatfield AL9 5DR
Received 13 Aug 2026 - Call In/Major Objection6/2026/1421/FULL
Erection of an agricultural building.
Thunderbridge Farm Bulls Lane Hatfield AL9 7BB
Received 12 Aug 2026
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