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Planning appeal decision

Dismissed15 June 20266007017

252 Baldwins Lane, Croxley Green, WD3 3LQ

Planning appeal 6007017 at 252 Baldwins Lane, Croxley Green, WD3 3LQ (Three Rivers) was dismissed on 15 June 2026 by Inspector Philip Willmer, by written representations. The main issue, as the Inspector framed it: The effect of the proposed development on the architectural integrity of the host property and thereby the character and appearance of the wider area.

a loft conversion with roof extension

Authority
Three Rivers
Appeal type
householder · Householder
Procedure
Written
Development
residential
Inspector
Philip Willmer
Postcode
WD3 3LQ

Main issues, as the Inspector framed them

  • The effect of the proposed development on the architectural integrity of the host property and thereby the character and appearance of the wider area

What decided it

The proposed enlarged rear dormer would not be subordinate to the main roof and would cause significant harm to the architectural integrity of the host property and the character and appearance of the wider area, contrary to development plan policies.

What the Inspector cited

Development plan policies
Policy CP1Policy CP12Policy DM1Appendix 2Policy CA2

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 2026

  1. Dismissed12 October 20266014106
    28 On The Hill, Carpenders Park, WD19 5DR
  2. Allowed12 October 20266002930
    Land to the Rear of, 76 and 78 Church Lane, Sarratt, WD3 6HL
  3. Allowed24 September 20266010198
    Rusper, Nottingham Road, Heronsgate, WD3 5DN
  4. Dismissed9 September 20266011803
    126 Toms Lane, Kings Langley, WD4 8NR
  5. Allowed1 September 20266012127
    21 Dickinson Square, Croxley Green, Rickmansworth, WD3 3HA

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.