Planning appeal decision
16 Guessens Road, Welwyn Garden City, AL8 6QR
Planning appeal 3348206 at 16 Guessens Road, Welwyn Garden City, AL8 6QR (Welwyn Hatfield Council) was dismissed on 27 January 2025 by Inspector Biggers P, by written representations. The main issue, as the Inspector framed it: The effect of the proposed development on the character and appearance of the host dwelling, the surroundings of Guessens Road and Guessens Walk and the wider Welwyn Garden City Conservation Area.
single storey side extension, part single, part double storey rear extension and replacement garage
- Authority
- Welwyn Hatfield Council
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Biggers P
- Postcode
- AL8 6QR
Main issues, as the Inspector framed them
- The effect of the proposed development on the character and appearance of the host dwelling, the surroundings of Guessens Road and Guessens Walk and the wider Welwyn Garden City Conservation Area
What decided it
The flat-roofed side extension would be harmful to the character and appearance of this locally important dwelling and the Conservation Area, and the private benefits to the occupants would not outweigh this harm.
What the Inspector cited
- Development plan policies
- Policy SP15Policy SADM15Policy SP9
- National Planning Policy Framework
- Paragraph 212Paragraph 215Paragraph 129
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 Welwyn Hatfield
The authority’s record since 2016 · every decision in 2025
- Allowed6 October 202660125776 Chelveston, Welwyn Garden City, AL7 2PW
- Dismissed5 October 202660098922A Whitehill, Welwyn, AL6 9AF
- Dismissed9 September 20266010292Rose Cottage, Kentish Lane, Hatfield, AL9 6JP
- Allowed4 September 202660125166 Meadow Green, Welwyn Garden City, AL8 6SS
- Dismissed20 August 2026600674430 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.
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