22 Cherry Tree Avenue London Colney Hertfordshire AL2 1RU Data via plota.co.uk
Proposal
Single storey rear extension, single storey side extension, and conversion of the garage to a home office with single storey rear extension Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision between 14 Nov 2026 and 8 Dec 2026, from St Albans's recent extensions.
Site constraints 4
Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. 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.
Building
From the energy performance certificate lodged in February 2026, 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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Important details
Decision outlook
Day 32 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
- 323137PLN
- Planning Portal ref
- 15124965
- Comments by
- 30 Oct 2026
- Statutory expiry
- 1 Nov 2026
Historical activity at this location
10 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%).
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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22 Cherry Tree Avenue London Colney Hertfordshire AL2 1RU
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Comments are open until 30 Oct 2026