23 Ox Lane Harpenden Hertfordshire AL5 4HF Data via plota.co.uk
Proposal
Demolition of a rear single storey previous extension and the removal of a rear chimney stack. Construction of a rear single storey extension and loft conversion, including side and rear dormers and rooflights Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision between 1 Dec 2026 and 23 Dec 2026, from St Albans's recent demolitions.
Documents 5
Statements & assessments 2
Application forms 1
Consultation & comments 1
Other documents 1
Site constraints 3
Checked on 2 November 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.
Building
From the energy performance certificate lodged in May 2021, the latest held for this property. The building may have changed since. View the certificate
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Important details
Decision outlook
Day 65 of the 56-day target. St Albans usually decides demolitions by day 91.
Plota live figures for demolitions decided by St Albans in the last twelve months, from validation. St Albans decision record →
Public comments
No public comments yet.
5 neighbours consulted · Last counted 10 Nov 2026
Consultation & key dates
- Alt. reference
- 323660PLN
- Planning Portal ref
- 15207445
- Neighbours
- 7 Oct 2026
- Consultation
- 7 Oct 2026
- Comments by
- 26 Nov 2026
- Site or press notice
- 15 Oct 2026
- Statutory expiry
- 2 Nov 2026
- Env. assessment
- No
Historical activity at this location
26 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
St Albans is one of the slowest councils in England for householder decisions, ranking #285 out of 296. The council extends the time limit on 64% of applications - one of the highest rates in England. Expect your application to take longer than the standard deadline. Householder applications are slightly less likely to be approved here (88%) than the national average (90%).
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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23 Ox Lane Harpenden Hertfordshire AL5 4HF
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Comments are open until 26 Nov 2026