3 Montreal Road Cambridge Cambridgeshire CB1 3NP

1. 29 Jul 2026

   Received by Cambridge

2. 1 Aug 2026

   Added to PlanIndex

3. 2 Sep 2026

   Decision issued: Certificate Granted

Cambridge granted permission on 2 September 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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.

• 2 Montreal Road Cambridge Cambridgeshire CB1 3NP

  24/04034/FUL Submitted 28 Oct 2024 50 yards away

  Demolition of existing garden shed and erection of a single storey rear lean-to garden room.

  Granted Full applications Demolition 14 docs
  Small domestic

• 5 Montreal Road Cambridge Cambridgeshire CB1 3NP

  26/03220/CL2PD Submitted 24 Aug 2026 50 yards away

  100% historically approved · decision due ~6 Nov

  Certificate of lawulness under S192 for a proposed dropped kerb to the front and installation of an electric car charger.

  Awaiting decision Lawful development 11 docs

• 17 Natal Road Cambridge Cambridgeshire CB1 3NS

  24/04344/HFUL Submitted 19 Nov 2024 50 yards away

  Single storey rear extension and installation of new window to side elevation.

  Withdrawn Householder Extension Windows or glazing 15 docs
  Small domestic

• 17 Natal Road Cambridge Cambridgeshire CB1 3NS

  24/04236/CL2PD Submitted 12 Nov 2024 50 yards away

  Certificate of lawfulness under S192 for hip to gable roof extension with rear dormer and installation of a roof light to front elevation and a window to rear.

  Granted Lawful development Extension Loft or dormer +1 16 docs

• 1 - 2 Montreal Square Cambridge Cambridgeshire CB1 3NR

  25/02764/CONDB Submitted 29 Sep 2026 50 yards away

  98% historically approved · decision due ~24 Nov

  Submission of details required by condition 4 (Drainage) of planning permission 25/02764/FUL

  Awaiting decision Conditions 13 docs

• 1 - 2 Montreal Square Cambridge Cambridgeshire CB1 3NR

  25/02764/CONDA Submitted 13 Jul 2026 50 yards away

  98% historically approved · decision due ~7 Sep

  Submission of details required by conditions 5 (traffic management plan) and 18 (biodiversity net gain plan) of planning permission 25/02764/FUL

  Awaiting decision Conditions 11 docs

• 26/03041/CL2PD Granted

  109 St Matthews Gardens Cambridge Cambridgeshire CB1 2PH

  Certificate of lawfulness under S192 for roof extension with rear dormer and addition of 1no. rooflight to rear roof.

  Received 11 Aug, published by the council 27 Aug 2026 Lawful development
• 26/02935/CL2PD Granted

  Flats 72-109 Warren Close Cambridge Cambridgeshire CB2 1LE

  Certificate of lawfulness under S192 for replacement subframe system and cladding boards to external facades and replacement of existing timber decking.

  Received 4 Aug, published by the council 14 Aug 2026 Lawful development
• 26/02990/CL2PD Granted

  Cambridge Retail Park, Unit 11 Coldhams Lane Cambridge Cambridgeshire CB1 3HB

  Certificate of lawfulness under S192 that the proposed use of the premises for ancillary pet treatment falling within Class E(e) is lawful.

  Received 7 Aug, published by the council 14 Aug 2026 Lawful development
• 26/03721/CL2PD Awaiting decision

  23 Wulfstan Way Cambridge Cambridgeshire CB1 8QL

  Certificate of lawfulness under S192 for erection of outbuilding to rear.

  Received 1 Oct, published by the council 9 Oct 2026 Lawful development
• 26/03638/CL2PD Awaiting decision

  13 Stanesfield Road Cambridge Cambridgeshire CB5 8NH

  Certificate of lawfulness under S192 for erection of detached single storey outbuilding to rear garden.

  Received 23 Sep, published by the council 1 Oct 2026 Lawful development