161 Colney Heath Lane St Albans Hertfordshire AL4 0TN Data via plota.co.uk
Proposal
Single storey rear extension, with extended loft space/ first floor, new dormer to front, removal of dormer from side, front canopy roof extension & rooflight windows added, alterations to openings and chimney removal Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision between 30 Nov 2026 and 24 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.
Sales history 1
Last sold for £618,000 in July 2025. 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 May 2023, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate
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Important details
Decision outlook
Day 16 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
- 323395PLN
- Planning Portal ref
- 15162742
- Comments by
- 12 Nov 2026
- Site or press notice
- 1 Oct 2026
- Statutory expiry
- 17 Nov 2026
Historical activity at this location
27 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%).
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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161 Colney Heath Lane St Albans Hertfordshire AL4 0TN
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Comments are open until 12 Nov 2026