45 Pine Grove Brookmans Park AL9 7BL Data via plota.co.uk
Proposal
Erection of a first floor side extension; replacement of existing gates and installation of new railing on the front boundary wall; front landscaping; new rear raised patio and covered bbq area; replacement of roof tiles; alterations to fenestration; chimney removal; internal alterations… Data via plota.co.uk
Application progress
Approved on 29 Jan 2026 · Delegated · Last checked 9 Sept 2026
Documents 24
Decision & officer reports 2
Statements & assessments 1
Plans & drawings 1
Consultation & comments 2
Other documents 18
Site constraints 4
Checked on 11 September 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.
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Important details
- Council
- Welwyn Hatfield
- Application type
- HOUSEHOLDER APPLICATION
- Postcode
- AL9 7BL
- Received
- 3 Dec 2025
- Validated
- 3 Dec 2025
- Parish
- North Mymms
- Case officer
- Show
- Decision
- Granted
- Decision date
- 29 Jan 2026
- Decision level
- Delegated
- Applicant
- Show
- Agent
- Show
How this decision compares
Decided in 57 days from validation, about the council's usual 56 days. Approved, as 87% 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
5 neighbours consulted · Last counted 9 Sept 2026
Consultation & key dates
- Comments by
- 16 Jan 2026
Historical activity at this location
28 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%).
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45 Pine Grove Brookmans Park AL9 7BL
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