28 Rosemary Drive London Colney Hertfordshire AL2 1UD Data via plota.co.uk
Proposal
Certificate of Lawfulness (propopsed) - Replacement of 13 existing white-painted timber flush-casement windows with white heritage-style flush-casement uPVC double-glazed windows. The replacement windows will occupy the existing window openings and replic… Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision between 29 Nov 2026 and 23 Dec 2026, from St Albans's recent extensions.
Site constraints 6
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 3
Last sold for £765,000 in November 2020. 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 April 2012, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate
Every application in St Albans - and every UK council - as a live feed, an API, or a bulk CSV export.
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Two storey rear extension
Important details
Decision outlook
Day 17 of the 56-day target. St Albans usually decides extensions by day 81.
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
- 323911PLN
- Planning Portal ref
- 15234343
- Comments by
- 16 Oct 2026
- Statutory expiry
- 16 Nov 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%).
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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28 Rosemary Drive London Colney Hertfordshire AL2 1UD
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Comments are open until 16 Oct 2026