4 Brookmans Avenue Brookmans Park AL9 7QJ Data via plota.co.uk
Proposal
Retention of single storey timber structure as gym and addition of storm porch Data via plota.co.uk
Application progress
Approved on 16 Oct 2026 · Delegated · Last checked 18 Oct 2026
Documents 14
Decision & officer reports 2
Consultation & comments 7
Site constraints 2
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.
Sales history 1
Last sold for £1,475,000 in March 2022. Detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in July 2021, the latest held for this property. The building may have changed since. View the certificate
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Other new applications on this street
83 Brookmans Avenue Brookmans Park AL9 7QG
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60 Brookmans Avenue Brookmans Park AL9 7QQ
Submission of details pursuant to condition number 2 (materials) on planning per...
3 Brookmans Avenue Brookmans Park AL9 7QH
Erection of single storey rear extension
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Certificate of lawfulness for the replacement of an existing gate and fence
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Remove old signage & replace with new
4 Brookmans Avenue Brookmans Park AL9 7QJ
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Important details
- Council
- Welwyn Hatfield
- Application type
- HOUSEHOLDER APPLICATION
- Postcode
- AL9 7QJ
- Received
- 21 Aug 2026
- Validated
- 21 Aug 2026
- Parish
- North Mymms
- Case officer
- Show
- Decision
- Granted
- Decision date
- 16 Oct 2026
- Decision level
- Delegated
- Applicant
- Show
- Agent
- Prabh Singh
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 →
Public comments
29% object · below the UK average of 74%
6 neighbours consulted · Last counted 18 Oct 2026
Consultation & key dates
- Comments by
- 29 Sept 2026
Historical activity at this location
30 previous applications on record - archival context, not part of the live application.
Previous applications at this address
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%).
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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4 Brookmans Avenue Brookmans Park AL9 7QJ
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