15 Ramsey Close Brookmans Park AL9 6NP Data via plota.co.uk
Proposal
Erection of single storey side and first floor rear extensions, front porch extension, door and fenestration alterations to rear elevation, new front boundary fence and landscaping works Data via plota.co.uk
Application progress
Approved on 20 Oct 2026 · Delegated · Last checked 21 Oct 2026
Documents 47
Decision & officer reports 2
Statements & assessments 1
Plans & drawings 32
Consultation & comments 1
Other documents 11
Site constraints 4
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 2
Last sold for £590,000 in November 2019. 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 May 2010, the latest held for this property. The building may have changed since. View the certificate
Every application in Welwyn Hatfield - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Welwyn Hatfield
- Application type
- HOUSEHOLDER APPLICATION
- Postcode
- AL9 6NP
- Received
- 11 Aug 2026
- Validated
- 12 Aug 2026
- Parish
- North Mymms
- Case officer
- Show
- Decision
- Granted
- Decision date
- 20 Oct 2026
- Decision level
- Delegated
- Applicant
- Show
- Agent
- SM Planning
How this decision compares
Decided in 69 days from validation, 13 days slower than Welwyn Hatfield's median of 56 for extensions. 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
3 neighbours consulted · Last counted 21 Oct 2026
Consultation & key dates
- Comments by
- 11 Oct 2026
Historical activity at this location
21 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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15 Ramsey Close Brookmans Park AL9 6NP
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