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Conversion of roof space to habitable use to include hip to gable extension, rear dormer, juliette balcony to rear, 3x front rooflights, and the erection of a single-storey rear extension, following the demolition of the existing canopy (application for certificate of lawful development)

28 GROSVENOR CRESCENT HILLINGDON

ApprovalReference: 7909/APP/2026/26London Borough of Hillingdon

Last published check: 14 Oct 2026, 04:13. 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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    Council source

Application summary

Status
Approval
Application type
Not published
Received
6 Jan 2026
Validated
8 Jan 2026
Determination deadline
10 Mar 2026
Local authority
London Borough of Hillingdon

Application overview

Conversion of roof space to habitable use to include hip to gable extension, rear dormer, juliette balcony to rear, 3x front rooflights, and the erection of a single-storey rear extension, following the demolition of the existing canopy (application for certificate of lawful development)

Proposal details

Reference
7909/APP/2026/26
Ward
HILLINGDON EAST 2022
Agent
Mr Nik Vyas INTEGER HOUSE, Bucknall Lane BRE INNOVATION CAMPUS Hertfordshire WD25 9XX

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Application location

28 GROSVENOR CRESCENT HILLINGDON

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Documents 16 of 16

DocumentPublishedAction
Application Form - Without Personal DataAPPLICATION FORM8 Jan 2026View
01 Location and Block plan of the siteBLOCK PLAN8 Jan 2026View
03 Existing FFP and RPEXISTING FLOOR PLANS8 Jan 2026View
02 Existing GFPEXISTING FLOOR PLANS8 Jan 2026View
05 Rev 01 (REVISED) Existing rear and side elevationsEXISTING ELEVATIONS AMENDED10 Mar 2026View
04 Existing Elevations (front, right)EXISTING FRONT ELEVATIONS8 Jan 2026View
05 Existing Elevation (rear and left)EXISTING REAR ELEVATIONS8 Jan 2026View
06 Proposed GFP and FFPPROPOSED FLOOR PLANS8 Jan 2026View
07 Rev 01 (REVISED) Proposed LP and RPPROPOSED FLOOR PLANS AMENDED5 Mar 2026View
08 Rev 01 (REVISED) Proposed elevationsPROPOSED ELEVATIONS AMENDED5 Mar 2026View
09 Rev 01 (REVISED) Proposed ElevationsPROPOSED ELEVATIONS AMENDED5 Mar 2026View
08 (SUPERSEDED) Proposed Elevation (front, right)PROPOSED FRONT ELEVATIONS8 Jan 2026View
09 (SUPERSEDED) Proposed Elevation (rear, left)PROPOSED REAR ELEVATIONS8 Jan 2026View
07 (SUPERSEDED) Proposed RPPROPOSED ROOF PLANS8 Jan 2026View
DECISION NOTICEDECISION NOTICE10 Mar 2026View
OFFICERS REPORTSOFFICERS REPORTS10 Mar 2026View

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Decision & conditions

Approval
DECISION NOTICE
Planning conditions

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