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Conversion of roof space to habitable use to include 2no. side dormers, and conversion of roof from hip to gable end with Juliette balcony, and removal of chimneys (Application for a Certificate of Lawful Development for a Proposed Development)

302 LONG LANE HILLINGDON

ApprovalReference: 21639/APP/2026/473London Borough of Hillingdon

Last published check: 14 Oct 2026, 00:35. Check the council record for more recent changes.

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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    A published target or deadline. It does not confirm an outcome.

    Council source

Application summary

Status
Approval
Application type
Not published
Received
24 Feb 2026
Validated
24 Feb 2026
Determination deadline
21 Apr 2026
Local authority
London Borough of Hillingdon

Application overview

Conversion of roof space to habitable use to include 2no. side dormers, and conversion of roof from hip to gable end with Juliette balcony, and removal of chimneys (Application for a Certificate of Lawful Development for a Proposed Development)

Proposal details

Reference
21639/APP/2026/473
Ward
HILLINGDON EAST 2022
Agent
Mr Sidhu Paddock Views Stoke Poges Slough SL2 4AD

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Application location

302 LONG LANE HILLINGDON

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Documents 16 of 16

DocumentPublishedAction
Application Form - Without Personal DataAPPLICATION FORM25 Feb 2026View
25017-ZZ-00-DR-T-0101-Rev A Site Location Plan and Block PlanLOCATION PLAN25 Feb 2026View
25017-ZZ-00-DR-T-0301-Rev A Existing Floor PlansEXISTING FLOOR PLANS25 Feb 2026View
25017-ZZ-01-DR-T-0302-Rev A Existing Floor PlansEXISTING FLOOR PLANS25 Feb 2026View
25017-ZZ-XX-DR-T-0304-Rev A Existing Front and Rear ElevationsEXISTING ELEVATIONS25 Feb 2026View
25017-ZZ-XX-DR-T-0305-Rev A Existing Side ElevationsEXISITNG SIDE ELEVATIONS25 Feb 2026View
25017-ZZ-RF-DR-T-0303-Rev A Existing Roof PlanEXISTING ROOF PLANS25 Feb 2026View
25017-ZZ-00-DR-T-2000 - Rev A Proposed Ground Floor PlansPROPOSED FLOOR PLANS25 Feb 2026View
25017-ZZ-01-DR-T-2001 - Rev A Proposed First Floor PlansPROPOSED FLOOR PLANS25 Feb 2026View
25017-ZZ-02-DR-T-2002 - Rev A Proposed Second Floor PlanPROPOSED FLOOR PLANS25 Feb 2026View
25017-ZZ-XX-DR-T-2100 - Rev A Proposed Front and Rear ElevationsPROPOSED ELEVATIONS25 Feb 2026View
25017-ZZ-XX-DR-T-2101 - Rev A Proposed Side ElevationsPROPOSED SIDE ELEVATIONS25 Feb 2026View
25017-ZZ-RF-DR-T-2003 - Rev A Proposed Roof PlanPROPOSED ROOF PLANS25 Feb 2026View
Roof Volume CalculationsSUPPORTING INFORMATION25 Feb 2026View
DECISION NOTICEDECISION NOTICE19 Mar 2026View
OFFICERS REPORTSOFFICERS REPORTS19 Mar 2026View

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Decision & conditions

Approval
DECISION NOTICE
Planning conditions

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