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Conversion of roof space to habitable use to include hip to gable extension, rear dormer, gable end window, and 3 x front roof lights, following the removal of the chimney (Application for a Certificate of Lawful Development for a proposed Development)

39 SPENCER AVENUE HAYES

ApprovalReference: 28262/APP/2026/419London Borough of Hillingdon

Application timeline

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  1. Received

    Published milestoneCouncil source

  2. Validated

    Published milestoneCouncil source

  3. Decided

    Published milestoneCouncil source

  4. Decision By

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Application summary

Status
Approval
Application type
Not published
Received
17 Feb 2026
Validated
19 Feb 2026
Determination deadline
16 Apr 2026
Local authority
London Borough of Hillingdon

Application overview

Conversion of roof space to habitable use to include hip to gable extension, rear dormer, gable end window, and 3 x front roof lights, following the removal of the chimney (Application for a Certificate of Lawful Development for a proposed Development)

Proposal details

Reference
28262/APP/2026/419
Ward
BELMORE 2022
Agent
other Tricon Design Studio 21 497 Sunleigh Road Wembley HA0 4LY

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Application location

39 SPENCER AVENUE HAYES

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Documents 5 of 5

DocumentPublishedAction
Application Form - Without Personal DataAPPLICATION FORM19 Feb 2026View
LP Location planLOCATION PLAN19 Feb 2026View
TRICON/39SA/101 to 106 (Rev A) Proposed and Existing plans and elevationsPLAN19 Feb 2026View
DECISION NOTICEDECISION NOTICE16 Apr 2026View
OFFICERS REPORTSOFFICERS REPORTS16 Apr 2026View

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Decision & conditions

Approval
DECISION NOTICE
Planning conditions

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