Planning appeal decision
26 Lower Mardley Hill, Welwyn, AL6 0UQ
Planning appeal 3279335 at 26 Lower Mardley Hill, Welwyn, AL6 0UQ (Welwyn Hatfield Council) was allowed on 3 December 2021 by Inspector Bartlett R, by written representations. The main issue, as the Inspector framed it: The effect of the development on the character and appearance of the original dwelling and the surrounding area.
erection of two storey side and rear extensions and a first floor rear extension, insertion of 6 x side facing dormer windows and 3 x side facing roof lights to facilitate extension of existing first floor plan, alterations to fenestration on existing front, side and rear elevations and demolition of outbuilding attached to existing garage, to facilitate erection of new detached outbuilding
- Authority
- Welwyn Hatfield Council
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Bartlett R
- Postcode
- AL6 0UQ
Main issues, as the Inspector framed them
- The effect of the development on the character and appearance of the original dwelling and the surrounding area
What decided it
The replacement of the existing incongruous flat roof extensions and varied dormers with a single coherent and well-balanced design would enhance the appearance of the dwelling and its immediate surroundings.
What the Inspector cited
- Development plan policies
- Policy D1Policy D2
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
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With an account
What an account adds to this decision


More decisions in Welwyn Hatfield
The authority’s record since 2016 · every decision in 2021
- 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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