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Planning application

41 ST MARGARETS ROAD RUISLIP HA4 7NZ

Awaiting decision Hillingdon 70388/APP/2026/711

Works: Extension Loft or dormer Roofing Windows or glazing

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 raising roof ridge height, erection of side and rear gable loft extension (incorporating a front door canopy), 3 x side rooflights, juliette balcony to rear, and erection of new side window on first floor

As published by the council, reference 70388/APP/2026/711

Application record

Reference
70388/APP/2026/711
Status
Approval
Received
19 Mar 2026
Postcode
HA4 7NZ

Site history

Applications at this address on the Hillingdon register

This site has had 3 applications since 2021: 1 approved, 1 refused.

  • 70388/APP/2025/2792 Granted

    41 ST MARGARETS ROAD RUISLIP HA4 7NZ

    Conversion of roof space to habitable use to include hip to gable extension, rear dormer, and 2x sky lights (Application for a Certificate of Lawful Development for a Proposed Development)

    Decided 17 Dec 2025 Full applications
  • 70388/APP/2021/2496 Refused

    41 ST MARGARETS ROAD RUISLIP HA4 7NZ

    Part single storey, part two storey front/side extension

    Decided 18 Aug 2021 Full applications

Timeline

Dates from the published record

  1. 19 Mar 2026

    Received by Hillingdon

  2. 7 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 14 May 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 58 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 58 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.

Nearby applications

Within 500 metres

  • 41 ST MARGARETS ROAD RUISLIP HA4 7NZ

    70388/APP/2025/2792 Submitted 4 Nov 2025 0m away

    Conversion of roof space to habitable use to include hip to gable extension, rear dormer, and 2x sky lights (Application for a Certificate of Lawful Development for a Proposed Development)

    Granted Full applications Extension Loft or dormer 8 docs

  • 41 ST MARGARETS ROAD RUISLIP HA4 7NZ

    70388/APP/2021/2496 Submitted 22 Jun 2021 0m away

    Part single storey, part two storey front/side extension

    Refused Full applications Extension 9 docs
    Small domestic

  • 11 ELLESMERE CLOSE RUISLIP HA4 7PQ

    79635/APP/2026/837 Submitted 31 Mar 2026 215m away

    Details pursuant to the discharge of Conditions 9 (Surface Water Drainage) of planning permission ref. 79635/APP/2025/2209, dated 26-02-26 (Erection of a single storey side and rear extension, following demolition of existing garage.)

    Granted Full applications Extension Demolition 6 docs
    Small domestic

  • 11 ELLESMERE CLOSE RUISLIP HA4 7PQ

    79635/APP/2025/2209 Submitted 18 Aug 2025 215m away

    Erection of a single storey side and rear extension, following demolition of existing garage.

    Granted Full applications Extension Demolition 8 docs
    Small domestic

  • 18 MILL DRIVE RUISLIP HA4 7GL

    80144/APP/2026/1542 Submitted 22 Jun 2026 238m away

    87% historically approved · decision due ~15 Sep

    Erection of a single storey rear extension, installation of a rear dormer, installation of new front facing window, and demolition of rear garden decking.

    Decided Full applications Extension Loft or dormer +2 9 docs
    Small domestic

  • 19 MILL DRIVE RUISLIP HA4 7GL

    78216/APP/2026/1109 Submitted 3 May 2026 238m away

    Proposed installation of solar panels to the side and rear roof slopes, installation of an AC compressor unit to the side elevation.

    Granted Full applications 13 docs