55 Mawson Road Cambridge Cambridgeshire CB1 2DZ

1. 20 Dec 2024

   Received by Cambridge

2. 24 Jan 2025

   Decision issued: Certificate Granted

3. 4 Oct 2026

   Added to PlanIndex

Cambridge granted permission on 24 January 2025, 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.

• 52 Tenison Road Cambridge Cambridgeshire CB1 2DW

  26/03234/FUL Submitted 25 Aug 2026 50 yards away

  91% historically approved · decision due ~5 Nov

  Retrospective planning to revert a mid-terrace Victorian house from 4 self-contained flats into one dwelling.

  Awaiting decision Full applications New dwelling 15 docs
  Domestic

• 52 Tenison Road Cambridge Cambridgeshire CB1 2DW

  26/01560/CL2PD Submitted 24 Apr 2026 50 yards away

  Certificate of lawfulness under S192 for a change of use from a house in multiple occupation (HMO) (Class C4) to a single dwellinghouse (Class C3)

  Withdrawn Lawful development 8 docs
  Domestic

• 54 Tenison Road Cambridge Cambridgeshire CB1 2DW

  24/04423/HFUL Submitted 26 Nov 2024 50 yards away

  Retrospective single storey side and rear extension, single storey rear extension, increase ridge height of rear first floor, second floor rear extension, roof extension including rear dormer and installation of rooflights to front and side elevations.

  Withdrawn Householder Extension Loft or dormer +1 27 docs
  Small domestic

• 70 Tenison Road Cambridge Cambridgeshire CB1 2DW

  26/02640/HFUL Submitted 13 Jul 2026 50 yards away

  Proposed single storey rear and side extensions and replacement windows

  Granted Householder Extension Windows or glazing 17 docs
  Small domestic

• 62 Glisson Road Cambridge Cambridgeshire CB1 2HF

  24/04162/HFUL Submitted 5 Nov 2024 50 yards away

  Rear roof extension including extending the existing rear dormer and rooflights to front and side elevations.

  Granted Householder Extension Loft or dormer 14 docs
  Domestic

• 13 Caius Terrace Glisson Road Cambridge CB1 2HJ

  20/2292/TTPO Submitted 9 Nov 2020 50 yards away

  Silver Birch - Lateral reduction to allow clearance of 1.5m to adjacent structures. Crown lift all round by 1m Reasons - to clear adjacent buildings

  Granted Trees 8 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