3 Brookmans Avenue Brookmans Park AL9 7QH Data via plota.co.uk
Proposal
Erection of single storey rear extension Data via plota.co.uk
Application progress
Approved on 17 Jul 2026 · Delegated · Last checked 8 Sept 2026
Documents 10
Decision & officer reports 2
Plans & drawings 2
Other documents 6
Site constraints 3
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Every application in Welwyn Hatfield - and every UK council - as a live feed, an API, or a bulk CSV export.
Other new applications on this street
83 Brookmans Avenue Brookmans Park AL9 7QG
Submission of details pursuant to condition number 1 (Demolition and Constructio...
4 Brookmans Avenue Brookmans Park AL9 7QJ
Retention of single storey timber structure as gym and addition of storm porch
53 Brookmans Avenue Brookmans Park AL9 7QG
Erection of dwelling with boundary wall and gates following demolition of existi...
60 Brookmans Avenue Brookmans Park AL9 7QQ
Submission of details pursuant to condition number 2 (materials) on planning per...
Nearby new applications
20 Moffats Lane Brookmans Park AL9 7RU
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Erection of two-storey front and side extension, single-storey rear extension an...
Land and highway access at the north end of Bradmore Way
Certificate of lawfulness for the replacement of an existing gate and fence
37-39 Bradmore Green Brookmans Park AL9 7QR
Remove old signage & replace with new
4 Brookmans Avenue Brookmans Park AL9 7QJ
Retention of single storey timber structure as gym and addition of storm porch
4 Brookmans Avenue Brookmans Park AL9 7QJ
Submission of details pursuant to Condition 4 (landscaping) on planning permissi...
Important details
- Council
- Welwyn Hatfield
- Application type
- HOUSEHOLDER APPLICATION
- Postcode
- AL9 7QH
- Received
- 15 May 2026
- Validated
- 22 May 2026
- Parish
- North Mymms
- Case officer
- Show
- Decision
- Granted
- Decision date
- 17 Jul 2026
- Decision level
- Delegated
- Applicant
- Show
- Agent
- Tekniker
How this decision compares
Decided in 56 days from validation, about the council's usual 56 days. Approved, as 88% of extensions here are.
Plota live figures for extensions decided by Welwyn Hatfield in the last twelve months, from validation. Welwyn Hatfield decision record →
Consultation & key dates
- Comments by
- 29 Jun 2026
Historical activity at this location
22 nearby applications on record - archival context, not part of the live application.
Nearby activity
Welwyn Hatfield is slower than most councils at deciding householder applications, ranking #224 out of 296. 50% of applications have the time limit extended, above the 41% national average. Householder applications are slightly less likely to be approved here (86%) than the national average (90%).
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
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3 Brookmans Avenue Brookmans Park AL9 7QH
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