6 Longcroft Avenue Harpenden Hertfordshire AL5 2QZ Data via plota.co.uk
Proposal
Single storey rear extension Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicted a decision around 20 Oct 2026; it is now day 138.
Site constraints 3
Checked on 6 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.
Sales history 1
Last sold for £1,150,000 in October 2006. Detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Every application in St Albans - and every UK council - as a live feed, an API, or a bulk CSV export.
Other new applications on this street
14 Longcroft Avenue Harpenden Hertfordshire AL5 2QZ
T1 Eucalyptus - Fell
The Croft 4 Longcroft Avenue Harpenden Hertfordshire AL5 2QZ
T1- Pittsporum tree to fell to stump level as it is outgrowing it's position and...
17 Longcroft Avenue Harpenden Hertfordshire AL5 2RD
Leylandii hedge - removal of the existing hedge. It is deteriorating in parts a...
Nearby new applications
15 Kirkwick Avenue Harpenden Hertfordshire AL5 2QU
Replacement garage doors, internal alterations, and a replacement window
7 Leyton Green Harpenden Hertfordshire AL5 2TG
Discharge of Conditon 3 (details of windows and rooflights) of listed building c...
14 Longcroft Avenue Harpenden Hertfordshire AL5 2QZ
T1 Eucalyptus - Fell
6 Hales Meadow Harpenden Hertfordshire AL5 4JB
Reduce and shape the crown of the Sorbus by approximately 30%, maintaining a bal...
36 Park Avenue North Harpenden Hertfordshire AL5 2ED
G1 - 5 lime trees at the front of the house to raise the canopy to approx 5 ment...
12 Hartwell Gardens Harpenden Hertfordshire AL5 2RW
PP-15265946
Important details
Decision outlook
Day 138, past the statutory target. 62% of extensions in St Albans are decided within thirteen weeks; extensions of time are common, and the council need not decide on the day. Last seen undecided on 19 Oct 2026.
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
- 321656PLN
- Planning Portal ref
- 14947336
- Comments by
- 4 Jul 2026
- Site or press notice
- 11 Jun 2026
- Statutory expiry
- 29 Jul 2026
Historical activity at this location
29 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.
Track this application
6 Longcroft Avenue Harpenden Hertfordshire AL5 2QZ
Tracking this application
Not there in a minute? Check junk - especially Hotmail and Outlook.
Go to your dashboard →Sign in to view contact details
Applicant and case-officer names are hidden from public view for privacy. Create a free Plota account - or sign back in - and we'll show them, plus you get a dashboard for alerts and tracked applications.
The consultation period closed on 4 Jul 2026.