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Planning appeal decision

Allowed6 August 20266011069

54 Garden Avenue, Hatfield, AL10 8LQ

Planning appeal 6011069 at 54 Garden Avenue, Hatfield, AL10 8LQ (Welwyn Hatfield) was allowed on 6 August 2026 by Inspector John D Allan, by written representations. The main issue, as the Inspector framed it: The effect of the proposal upon the character and appearance of the area.

the erection of a first-floor side extension above the existing single- storey side extension

Authority
Welwyn Hatfield
Appeal type
householder · Householder
Procedure
Written
Development
residential
Inspector
John D Allan
Postcode
AL10 8LQ

Main issues, as the Inspector framed them

  • The effect of the proposal upon the character and appearance of the area

What decided it

The staggered form of the proposed extension would be characteristic of the wider estate development pattern and would not appear jarring or out of keeping with the local context.

What the Inspector cited

Development plan policies
Policy SP1Policy SP9Supplementary Design Guidance February 2005

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 Welwyn Hatfield

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

  1. Allowed6 October 20266012577
    6 Chelveston, Welwyn Garden City, AL7 2PW
  2. Dismissed5 October 20266009892
    2A Whitehill, Welwyn, AL6 9AF
  3. Dismissed9 September 20266010292
    Rose Cottage, Kentish Lane, Hatfield, AL9 6JP
  4. Allowed4 September 20266012516
    6 Meadow Green, Welwyn Garden City, AL8 6SS
  5. Dismissed20 August 20266006744
    30 Honeysuckle Gardens, Hatfield, AL10 8PJ

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.