Planning appeal decision
45 Ambrose Lane, Harpenden, Hertfordshire, AL5 4BU
Planning appeal 3364465 at 45 Ambrose Lane, Harpenden, Hertfordshire, AL5 4BU (St Albans City Council) was dismissed on 14 July 2025 by Inspector Street E, by written representations. The main issue, as the Inspector framed it: The effect of the proposal on the living conditions of the occupiers of Number 47 Ambrose Lane with particular regard to outlook.
two storey rear extension to an existing dwelling with additional windows to the side elevation
- Authority
- St Albans City Council
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Street E
- Postcode
- AL5 4BU
Main issues, as the Inspector framed them
- The effect of the proposal on the living conditions of the occupiers of Number 47 Ambrose Lane with particular regard to outlook
What decided it
The proposal would cause unacceptable harm to the living conditions of the occupiers of No 47 through an oppressive outlook effect from the blank elevation of the extension, particularly affecting the primary garden seating area.
What the Inspector cited
- Development plan policies
- Policy 72 of the St Albans Local Plan Review 1994Design Advice Leaflet 2
How the Inspector dealt with each one is set out in the app, in order: the development plan, national policy, housing land supply, other considerations and the planning balance, beside the letter.
See how each was appliedThe decision letter
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With an account
What an account adds to this decision


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- Invalid17 September 2026600824718 Manland Way, Harpenden, AL5 4QS
- Planning permission granted15 September 20263311314Land at Former Butterfly World, Miriam Lane, St. Albans, Hertfordshire, AL2 3NY
- Notice upheld15 September 20263311308Land at Former Butterfly World, Miriam Lane, St. Albans, Hertfordshire, AL2 3NY
The main issues, what decided it, the planning balance and the policies and judgments listed as cited are read from the published letter by Town Planner Pro and are our summary, not the Inspector’s words; the letter itself is the record. Contains public sector information licensed under the Open Government Licence v3.0. Research, not advice.
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