31 King Harry Lane St Albans Hertfordshire AL3 4AS Data via plota.co.uk
Proposal
Part two storey front and rear extension. Part single storey rear extension. Alterations to existing front roof. Addition of porch roof. Alterations to openings including rooflights. Alterations to materials Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision between 18 Dec 2026 and 12 Jan 2027, from St Albans's recent extensions.
Documents 3
Application forms 1
Consultation & comments 1
Other documents 1
Site constraints 4
Checked on 15 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.
Building
From the energy performance certificate lodged in February 2026, the latest held for this property. The building may have changed since. View the certificate
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Important details
Decision outlook
Day 14 of the 56-day target. St Albans usually decides extensions by day 77.
Plota live figures for extensions decided by St Albans in the last twelve months, from validation. St Albans decision record →
Public comments
No public comments yet.
3 neighbours consulted · Last counted 22 Oct 2026
Consultation & key dates
- Alt. reference
- PP-15275190
- Planning Portal ref
- PP-15275190
- Neighbours
- 14 Oct 2026
- Consultation
- 14 Oct 2026
- Comments by
- 15 Nov 2026
- Site or press notice
- 22 Oct 2026
- Statutory expiry
- 9 Dec 2026
- Env. assessment
- No
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
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%).
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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31 King Harry Lane St Albans Hertfordshire AL3 4AS
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Comments are open until 15 Nov 2026