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Planning appeal decision

Dismissed9 July 20266003707

21 Gills Hill Lane, Radlett, WD7 8DE

Planning appeal 6003707 at 21 Gills Hill Lane, Radlett, WD7 8DE (Hertsmere) was dismissed on 9 July 2026 by Inspector S F Barnes, by written representations. The main issue, as the Inspector framed it: whether the application is a valid householder application.

demolition of existing car port and single-storey rear extensions. Construction of two-storey rear extension and two-storey side extensions and alterations to fenestration and to the front porch. Conversion of loft to habitable space with increased ridge height, hip to gable alterations and rear dormer

Authority
Hertsmere
Appeal type
Planning
Procedure
Written
Development
residential
Inspector
S F Barnes
Postcode
WD7 8DE

Main issues, as the Inspector framed them

  • whether the application is a valid householder application
  • the effect of the proposal on the character and appearance of the appeal building and the surrounding area
  • the effect of the proposal on the living conditions of neighbouring occupiers at 23 Gills Hill Lane with particular regard to access to outlook, daylight and sunlight

What decided it

The significant harm caused to the character and appearance of the appeal building and surrounding area through the bulky, incongruous crown roof form outweighed any other considerations.

What the Inspector cited

Development plan policies
Policy CS22Policy SADM30
National Planning Policy Framework
Paragraph 11

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 applied

The decision letter

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More decisions in Hertsmere

The authority’s record since 2016 · every decision in 2026

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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.

In the app this decision sits on the map beside every appeal around it, with its letter to read and the main issues, policies and judgments cited picked out.