3 Granby Avenue Harpenden Hertfordshire AL5 5QP Data via plota.co.uk
Proposal
Two storey front extension, part single and two storey rear extension with basement, replacement main roof including raising ridge height with rooms within the roof space, alterations to external materials and raised patio. Data via plota.co.uk
Application progress
This application is under consideration - no decision has been issued yet. Plota predicts a decision between 16 Sept 2026 and 6 Oct 2026, from St Albans's recent extensions. The consultation period closed on 24 Aug 2026.
Site constraints 1
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.
Every application in St Albans - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
Decision outlook
Day 62 of the 56-day target. St Albans usually decides extensions by day 75.
Plota live figures for extensions decided by St Albans in the last twelve months, from validation. St Albans decision record →
Consultation & key dates
- Alt. reference
- 322727PLN
- Planning Portal ref
- 15036957
- Comments by
- 24 Aug 2026
- Statutory expiry
- 7 Sept 2026
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%).
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3 Granby Avenue Harpenden Hertfordshire AL5 5QP
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