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Planning appeal decision

Allowed4 August 20253368602

35 Copthorne Road, Croxley Green, Rickmansworth, WD3 4AB

Planning appeal 3368602 at 35 Copthorne Road, Croxley Green, Rickmansworth, WD3 4AB (Three Rivers District Council) was allowed on 4 August 2025 by Inspector Down K, by written representations. The main issue, as the Inspector framed it: The effect of the proposed first floor rear extension and roof extension on the character and appearance of the host dwelling and the surrounding area, including the street scene of Copthorne Road.

a two storey and single rear extension including two rear facing dormer windows to facilitate loft conversion, two front and one side elevation Velux windows and raised rear elevation terrace area with front elevation storm porch including solar panel installation on the south elevation roof plane

Authority
Three Rivers District Council
Appeal type
householder · Householder (HAS)
Procedure
Written Representations
Development
residential · Householder developments
Inspector
Down K
Postcode
WD3 4AB

Main issues, as the Inspector framed them

  • The effect of the proposed first floor rear extension and roof extension on the character and appearance of the host dwelling and the surrounding area, including the street scene of Copthorne Road
  • The effect of the development on the living conditions of neighbouring occupiers with respect to overlooking, privacy and light

What decided it

The proposed extensions would have no materially harmful effect on character and appearance or neighbouring living conditions when assessed against the local context and secured by appropriate conditions.

What the Inspector cited

Development plan policies
Policy CP12Policy CP1Policy DM1Policy CA2Policy CA3

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 Three Rivers

The authority’s record since 2016 · every decision in 2025

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  3. Allowed24 September 20266010198
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  4. Dismissed9 September 20266011803
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  5. Allowed1 September 20266012127
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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.