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Planning appeal decision

Split Decision20 December 20243353128

21 Oaklands Avenue, ISLEWORTH, TW7 5PX

single storey rear and side extension and loft conversion

Authority
London Borough of Hounslow
Appeal type
householder · Householder (HAS)
Procedure
Written Representations
Development
residential · Householder developments
Inspector
Benson E

Main issues, as the Inspector framed them

  • The effect of the appeal proposal on the living conditions of the adjoining occupiers at No 22 Oaklands Avenue in terms of loss of light, outlook and sense of enclosure
  • Its effect on the character and appearance of the host property and the surrounding area, including whether it would preserve or enhance the character or appearance of the Osterley Park Conservation Area and its effect on the significance of the designated heritage asset

What decided it

The single storey extension's excessive depth of 4.5 metres along the party boundary would unacceptably harm neighbouring amenity through loss of outlook and overbearing effect, conflicting with local policy and SPD guidance, whereas the roof alterations would preserve the Conservation Area character and were therefore severable and approvable.

Plan policies cited: Policy CC2 (Urban Design and Architecture), Policy SC7 (Residential Extensions and Alterations), Policy CC1 (Context and Character), Policy CC4 (Heritage)

The main issues and the deciding factor are read from the published letter by Town Planner Pro; 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 other appeal around it, with the full reasoning summary, the letter held on file, and the case law it applies.