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Dismissed4 August 20253361411

125A Allfarthing Lane, Wandsworth, London, SW18 2AU

Planning appeal 3361411 at 125A Allfarthing Lane, Wandsworth, London, SW18 2AU (London Borough of Wandsworth) was dismissed on 4 August 2025 by Inspector Tresise O, by written representations. The main issue, as the Inspector framed it: the effect of the proposed development on the character and appearance of the area.

Erection of L-shape mansard loft conversion with 250mm ridge height increase, new parapet walls, 2x velux on front elevation and 2x skylights on roof, creation of roof terrace, and modification of 3x windows on first floor

Authority
London Borough of Wandsworth
Appeal type
householder · Planning Appeal
Procedure
Written Representations
Development
residential · Householder developments
Inspector
Tresise O
Postcode
SW18 2AU

Main issues, as the Inspector framed them

  • the effect of the proposed development on the character and appearance of the area
  • the living conditions of the occupiers of the neighbouring properties at 123 and 127 Allfarthing Lane, and 6 and 8 Delia Street, with particular regard to outlook

What decided it

The proposed mansard roof extension would create a bulky, top-heavy feature that significantly alters the existing roof form and results in an overbearing impact on neighbouring properties, causing harm to both the character and appearance of the area and the living conditions of neighbours that outweighs the personal benefits to the appellant.

What the Inspector cited

Development plan policies
Policy LP1Policy LP5Policy LP2Policy LP31Policy LP15

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 London Borough of Wandsworth

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

  1. Dismissed27 October 20266011378
    First and Second Floor Maisonette, 184 Putney Bridge Road, London, SW15 2NG
  2. Dismissed27 October 20266011258
    8 Mysore Road, London, SW11 5SB
  3. Dismissed27 October 20266010452
    72 Frensham Drive, London, SW15 3EF
  4. Allowed26 October 20266013180
    23, Sutherland Grove, London, SW18 5PS
  5. Dismissed15 October 20266014390
    5 Banbury Street,, London, SW11 3EJ

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.