27 Ambrose Lane Harpenden Hertfordshire AL5 4DG Data via plota.co.uk
Proposal
Construction of garden outbuilding Data via plota.co.uk
Application progress
Approved on 28 Sept 2026 · Delegated · Last checked 29 Sept 2026
Site constraints 4
Checked on 11 September 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 £1,037,000 in March 2017. 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
Nearby new applications
47 Aplins Close Harpenden Hertfordshire AL5 2PZ
G1 2 Silver Birch - Crown reduction by 2-2.5m approx and crown lift to the legal...
61 Ambrose Lane Harpenden AL5 4BU
Proposed two and single storey rear extensions, single storey front extension an...
Area To The Side Of 1A & 1B Harpenden Rise Harpenden Hertfordshire AL5 3BG
Proposed side extension of existing dwellings to create new two-storey dwelling ...
25 Moreton Avenue Harpenden Hertfordshire AL5 2EU
Cherry tree - left hand corner of our front garden. Reduce the crown by 30% and ...
87 Luton Road Harpenden Hertfordshire AL5 3BA
single storey side and rear extension with internal amendments
7 Hales Meadow Harpenden Hertfordshire AL5 4JB
Important details
How this decision compares
Decided in 109 days from validation, 28 days slower than St Albans's median of 81 for extensions. Approved, as 85% of extensions here are.
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
- 322193PLN
- Planning Portal ref
- 14996903
- Comments by
- 1 Aug 2026
- Site or press notice
- 9 Jul 2026
- Statutory expiry
- 5 Aug 2026
Historical activity at this location
26 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
27 Ambrose Lane Harpenden Hertfordshire AL5 4DG
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.