Planning appeal decision
4 Hillside Rise, Northwood, HA6 1RR
Planning appeal 3293418 at 4 Hillside Rise, Northwood, HA6 1RR (London Borough of Hillingdon) was dismissed on 21 April 2022 by Inspector Cullen F, by written representations. The main issue, as the Inspector framed it: The effect of the proposal on the character and appearance of No 4 Hillside Rise and the Hillside, Northwood Hills Area of Special Local Character.
conversion of garage into habitable room, loft conversion, front porch and single story rear extension
- Authority
- London Borough of Hillingdon
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Cullen F
- Postcode
- HA6 1RR
Main issues, as the Inspector framed them
- The effect of the proposal on the character and appearance of No 4 Hillside Rise and the Hillside, Northwood Hills Area of Special Local Character
What decided it
The proposal would detrimentally alter the distinctive pyramidal roof form and appreciably increase bulk and massing in a way that would harm the significance of the non-designated heritage asset (ASLC), and this harm could not be justified by the benefit of additional accommodation.
What the Inspector cited
- Development plan policies
- Policy BE1Policy DMHD 1Policy DMHB 5Policy DMHB 11
- National Planning Policy Framework
- Paragraph 203
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
Town Planner Pro holds this letter. The Appeals plan opens it and every other letter we hold, all of them searchable, with the main issues and what decided each case picked out. We do not show letters on the free site because they carry people’s names and addresses.
With an account
What an account adds to this decision


More decisions in London Borough of Hillingdon
The authority’s record since 2016 · every decision in 2022
- Dismissed27 October 202660153104 Albany Close, Ickenham, UB10 8QW
- Dismissed27 October 2026600985618-20 Wilmar Close, Hayes, UB4 8ET
- Dismissed21 October 2026601178225 Stirling Road, Hayes, UB3 3AH
- Dismissed19 October 20266011268364 Victoria Road, Ruislip, HA4 0ET
- Allowed6 October 2026601385888 Stormount Drive, Hayes, UB3 1RH
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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