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Planning application

15 COLLINS DRIVE RUISLIP

Awaiting decision Hillingdon 5588/APP/2026/1911

Works: Extension Loft or dormer Demolition Small domestic

Read from the description, not a valuation. How we read the register

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Conversion of roof space to habitable use to include hip to gable extension, rear dormer with Juliette balcony, 3x front facing rooflights, erection of a part single part double storey rear extension, front porch, addition of render insulation to external walls, and a patio to the rear, all following the demolition of the existing rear garage, front porch and chimney.

As published by the council, reference 5588/APP/2026/1911

Application record

Reference
5588/APP/2026/1911
Status
Undecided
Received
31 Jul 2026
Validated
31 Jul 2026

Site history

Applications at this address on the Hillingdon register

This site has had 3 applications since 2025: 2 approved, 0 refused.

  • 5588/APP/2026/29 Granted

    15 COLLINS DRIVE RUISLIP

    Conversion of roof space to habitable use including a rear dormer with Juliette balcony, 3no. front facing rooflights, and conversion of roof form from hipped to gable ended following the removal of chimney. Addition of render insulation to external walls.

    Decided 6 Mar 2026 Full applications
  • 5588/APP/2025/3225 Granted

    15 COLLINS DRIVE RUISLIP

    Erection of single storey rear extension, a front porch following the demolition of the existing porch, demolition of garage and removal of the chimney breast and stack (Description Amended).

    Decided 17 Mar 2026 Full applications

Timeline

Dates from the published record

  1. 31 Jul 2026

    Received by Hillingdon

  2. 10 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 25 September 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Hillingdon took a median of 57 days over the applications it decided in the last year.

What happens while it is decided

This application is with Hillingdon for determination, against a statutory target of eight weeks. Over the last year Hillingdon's median decision took 57 days. More in our guide to how long planning decisions take.

About this record

The published feed does not state which type of application this is; the register entry on Hillingdon's portal will say. Our guide explains the common types.