52 Crookhams Welwyn Garden City AL7 1PF Data via plota.co.uk
Proposal
Prior approval for a rear extension measuring 6m in depth, 2.5m to the eaves and the maximum height of 3m Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision around 26 Nov 2026, from Welwyn Hatfield's recent extensions.
Documents 5
Plans & drawings 4
Other documents 1
Site constraints 3
Checked on 7 October 2026. Historic England, the Environment Agency, Natural England, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) 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 £377,000 in September 2021. Terraced 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 September 2020, 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
- Class A – enlargement, improvement or other alteration of a dwellinghouse - PRIOR APPROVAL
- Postcode
- AL7 1PF
- Received
- 30 Sept 2026
- Validated
- 1 Oct 2026
- Case officer
- Show
- Decision level
- Delegated
- Applicant
- Show
- Agent
- Show
Decision outlook
Day 8 of the 56-day target. Welwyn Hatfield usually decides extensions by day 56.
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
- 27 Oct 2026
Historical activity at this location
12 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%).
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
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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52 Crookhams Welwyn Garden City AL7 1PF
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Comments are open until 27 Oct 2026