423 Whirlowdale Road Sheffield S11 9NG

1. 23 Sep 2026

   Received by Sheffield

2. 5 Oct 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 18 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Sheffield took a median of 55 days over the applications it decided in the last year.

This application is with Sheffield for determination, against a statutory target of eight weeks. Over the last year Sheffield decided full applications in a median of 75 days. More in our guide to how long planning decisions take.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 408 Whirlowdale Road Sheffield S11 9NL

  26/03053/FUL Submitted 12 Oct 2026 100 yards away

  89% historically approved · decision due ~7 Dec

  Erection of two-storey front bay extension, single-storey front and rear extensions to dwellinghouse, formation of sunken rear patio, and widening of the driveway

  Awaiting decision Full applications Extension
  Small domestic

• 394 Whirlowdale Road Sheffield S11 9NL

  26/01308/LD2 Submitted 5 May 2026 100 yards away

  Application for Lawful Development Certificate for the removal of detached garage and erection of detached outbuilding (Application under Section 192)

  Refused Lawful development 5 docs

• 451 Whirlowdale Road Sheffield S11 9NG

  23/01705/LD2 Submitted 26 May 2023 150 yards away

  Lawful Development Certificate for the alterations to roof including erection of a rear dormer window with Juliet balcony and rooflights to dwellinghouse (Application under Section 192)

  Granted Lawful development Loft or dormer Windows or glazing 12 docs
  Domestic

• 16 Whirlow Park Road Sheffield S11 9NP

  15/00076/HPN Submitted 12 Jan 2015 150 yards away

  Single storey rear extension to dwellinghouse - the extension is 6.5m from the rear of the original dwellinghouse, with a maximum height of 4m

  Granted Prior approval Extension 3 docs
  Small domestic

• 56 Whirlow Park Road Sheffield S11 9NP

  14/03156/FUL Submitted 25 Aug 2014 150 yards away

  Raised patio and siting of BBQ cabin at end of rear garden

  Granted Full applications 7 docs

• 428 Whirlowdale Road Sheffield S11 9NL

  19/03602/FUL Submitted 1 Oct 2019 150 yards away

  Alterations to roof to form additional habitable space to dwellinghouse including erection of dormer and rooflight to rear, and obscure-glazed window to side elevation of gable end (amended description 25.11.19).

  Granted Full applications Loft or dormer Windows or glazing 6 docs
  Domestic

• 26/02552/FUL Decided

  26 Toppham Road Sheffield S8 7NW

  Erection of single-storey side extension to dwellinghouse

  Received 26 Aug, published by the council 7 Sep 2026 Full applications
• 26/03062/FUL Awaiting decision

  142 Hallowmoor Road Sheffield S6 4XD

  Erection of hip to gable extension with rear dormer window and front roof lights to form 2nd floor habitable space, single/two-storey side extension with ground-floor external covered area, provision of dropped kerb and new driveway to dwellinghouse

  Received 13 Oct, published by the council 19 Oct 2026 Full applications
• 26/03047/FUL Awaiting decision

  96 Gervase Drive Sheffield S8 7PN

  Erection of two/single-storey rear extension to dwellinghouse

  Received 12 Oct, published by the council 19 Oct 2026 Full applications
• 26/03050/FUL Awaiting decision

  49 Parkhead Road Sheffield S11 9RA

  Erection of single-storey rear extension, two-storey font/side extension and conversion of garage, infill of carport and alterations to rear raised patio of dwellinghouse

  Received 12 Oct, published by the council 19 Oct 2026 Full applications
• 26/03055/FUL Awaiting decision

  12 Morland Drive Sheffield S14 1SY

  Erection of external fire escape staircase and alterations to door and window openings

  Received 12 Oct, published by the council 19 Oct 2026 Full applications