37 Crosslees Drive Thornliebank East Renfrewshire G46 7DY

1. 28 Aug 2026

   Received by East Renfrewshire

2. 29 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 5 Oct 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 24 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   East Renfrewshire took a median of 49 days over the applications it decided in the last year.

This application is with East Renfrewshire for determination, against a statutory target of eight weeks. Over the last year East Renfrewshire decided lawful development applications in a median of 21 days. More in our guide to how long planning decisions take.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 18 Crosslees Drive Thornliebank East Renfrewshire G46 7DS

  2026/0511/CLU Submitted 8 Sep 2026 50 yards away

  91% historically approved · decision due ~3 Nov

  Certificate of lawfulness in respect of proposed installation of rooflight windows along rear roof plane

  Awaiting decision Lawful development Loft or dormer Windows or glazing 8 docs

• 26 Crosslees Drive Thornliebank East Renfrewshire G46 7DS

  2026/0099/TP Submitted 24 Feb 2026 50 yards away

  Erection of single storey rear extension

  Granted Full applications Extension 6 docs
  Small domestic

• 1 Crosslees Park Thornliebank East Renfrewshire G46 7DX

  2026/0518/TP Submitted 10 Sep 2026 100 yards away

  90% historically approved · decision due ~19 Nov

  Erection of two and a half storey side extension with basement, front porch and raised decking.

  Awaiting decision Full applications Extension 9 docs
  Small domestic

• 52 Crosslees Drive Thornliebank East Renfrewshire G46 7DS

  2026/0241/TP Submitted 1 May 2026 100 yards away

  Erection of single storey side and rear extension

  Granted Full applications Extension 2 docs
  Small domestic

• 64 Crosslees Drive Thornliebank East Renfrewshire G46 7DS

  2021/0356/TP Submitted 23 Apr 2021 150 yards away

  Erection of two storey side and rear extension; single storey side extension; formation of raised decking at rear

  Granted Full applications Extension 6 docs
  Small domestic

• 68 Crosslees Drive Thornliebank East Renfrewshire G46 7DT

  2026/0247/TP Submitted 5 May 2026 150 yards away

  Erection of raised platform with steps at rear

  Granted Full applications 6 docs

• 2026/0545/CLU Granted

  2 Roddinghead Road Newton Mearns East Renfrewshire G46 6TW

  Certificate of lawfulness in respect of proposed installation of dormer window at rear; removal of two windows on rear elevation at upper floor level; removal of juliet balcony and french doors on front elevation with installation of windows in their place; internal alterations to convert attic to bedroom, dressing room and store with installation of staircase between first floor and attic floor levels; internal alterations at first floor level to form dressing room

  Received 17 Sep, published by the council 22 Sep 2026 Lawful development
• 2026/0536/CLU Awaiting decision

  15 Merrycroft Avenue Giffnock East Renfrewshire G46 6DA

  Certificate of lawfulness in respect of proposed formation of 2 rooflights and enlargement of 1 rooflight.

  Received 16 Sep, published by the council 29 Sep 2026 Lawful development
• 2026/0511/CLU Awaiting decision

  18 Crosslees Drive Thornliebank East Renfrewshire G46 7DS

  Certificate of lawfulness in respect of proposed installation of rooflight windows along rear roof plane

  Received 8 Sep, published by the council 15 Sep 2026 Lawful development
• 2026/0444/CLU Granted

  Crosshill 9 Libo Avenue Uplawmoor East Renfrewshire G78 4AL

  Certificate of lawfulness in respect of proposed erection of outbuilding at rear

  Received 5 Aug, published by the council 13 Aug 2026 Lawful development
• 2026/0482/CLU Granted

  9 Burnhouse Brae Newton Mearns East Renfrewshire G77 5RB

  Certificate of lawfulness in respect of proposed internal alterations at ground floor level; conversion of part of integral garage to form extended kitchen; removal of garage door; installation of window; installation of windows on side elevations of dwellinghouse.

  Received 24 Aug, published by the council 29 Aug 2026 Lawful development