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Conversion of roof space to habitable use to include hip to gable extension, rear dormer with a Juliette balcony, 2 x front roof lights and gable end window (Application for a Certificate of Lawful Development for a Proposed Development)

55 HIGHLAND ROAD NORTHWOOD

ApprovalReference: 8315/APP/2026/519London Borough of Hillingdon

Last published check: 13 Oct 2026, 08:48. 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. Decision By

    Past published deadline

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

    Council source

  4. Decided

    Published milestoneCouncil source

Application summary

Status
Approval
Application type
Not published
Received
28 Feb 2026
Validated
2 Mar 2026
Determination deadline
27 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 with a Juliette balcony, 2 x front roof lights and gable end window (Application for a Certificate of Lawful Development for a Proposed Development)

Proposal details

Reference
8315/APP/2026/519
Ward
NORTHWOOD HILLS 2022
Agent
- Prof. Plans Professional Plans Suite 312 5 Spur Road, Busch Corner Isleworth TW7 5BD

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Application location

55 HIGHLAND ROAD NORTHWOOD

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Documents 8 of 8

DocumentPublishedAction
Application Form - Without Personal DataAPPLICATION FORM3 Mar 2026View
00/09 Location & Block PlansLOCATION PLAN3 Mar 2026View
06/09 Existing Ground & First Floor Plans & Roof PlanEXISTING FLOOR PLANS3 Mar 2026View
05/09 Existing ElevationsEXISTING ELEVATIONS3 Mar 2026View
08/09 Proposed Ground, First & Loft Floor PlansPROPOSED FLOOR PLANS3 Mar 2026View
07/09 Proposed ElevationsPROPOSED ELEVATIONS3 Mar 2026View
DECISION NOTICEDECISION NOTICE19 Jun 2026View
OFFICERS REPORTSOFFICERS REPORTS19 Jun 2026View

Documents open on the council website. Browse council documents if a link has changed.

Decision & conditions

Approval
DECISION NOTICE
Planning conditions

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