Planning appeal decision
27 Althorpe Road, Harrow, HA1 4RA
Planning appeal 3353470 at 27 Althorpe Road, Harrow, HA1 4RA (London Borough of Harrow) was allowed on 9 May 2025 by Inspector Clifford E, by written representations. The main issue, as the Inspector framed it: The effect that the proposed alteration would have on the character and appearance of the host building and the wider area.
alterations to roof to form end gable and two rear dormers, installation of two roof lights in front roof slope
- Authority
- London Borough of Harrow
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Clifford E
- Postcode
- HA1 4RA
Main issues, as the Inspector framed them
- The effect that the proposed alteration would have on the character and appearance of the host building and the wider area
What decided it
The proposed roof alterations and dormers would not have a harmful effect on the character and appearance of the host building or surrounding area, being consistent with the varied architectural character and existing examples of similar alterations in the locality.
What the Inspector cited
- Development plan policies
- Policy D3 of The London Plan (2021)Core Policy CS1 of the Harrow Core Strategy (2012)Policy DM1 of the Harrow Development Management Policies Local Plan (2013)Supplementary Planning Document: Residential Design Guide (2010)
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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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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