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Planning application

26/02872/CL2PD

3 Montreal Road Cambridge Cambridgeshire CB1 3NP

Awaiting decision Cambridge Lawful Use Certificate (S192)

Proposal

Certificate of lawfulness under S192 for a rear roof extension with box dormer.

As published by the council, reference 26/02872/CL2PD

Timeline

Dates from the published record

  1. 29 Jul 2026

    Received by Cambridge

  2. 1 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Cambridge for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

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Within 500 metres

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In Cambridge

  • 26/02824/CL2PD Awaiting decision

    Bailey House Block 66-89 Rustat Avenue Cambridge Cambridgeshire CB1 3PG

    Certificate of lawfulness under S192 for the retention of the existing masonry outer leaf, with localised removal and reinstatement of brickwork where required to facilitate the installation of new cavity barriers and fire-stopping measures, removal of the existing weatherboard cladding system and replacement with a new non-combustible cladding build-up, including calcium silicate sheathing board, Tyvek breather membrane, non-combustible support framework, cavity barriers, fire-stopping measures, EPDM membranes and associated trims, removal of existing timber balcony decking and privacy screen boards and replacement with non-combustible composite decking and aluminium privacy screen systems. removal of existing timber screen boards to bin and cycle stores and removal of timber soffit boards to entrance canopies, with replacement non-combustible aluminium screen profiles and composite soffit boards installed and associated installation of cavity barriers and fire-stopping measures where required within the external wall construction.

    27 Jul 2026 Lawful development
  • 26/02825/CL2PD Awaiting decision

    Bailey House Block 26-65 Rustat Avenue Cambridge Cambridgeshire CB1 3PG

    Certificate of lawfulness under S192 for the retention of the existing masonry outer leaf, with localised removal and reinstatement of brickwork where required to facilitate the installation of new cavity barriers and fire-stopping measures, removal of the existing weatherboard cladding system and replacement with a new non-combustible cladding build-up, including calcium silicate sheathing board, Tyvek breather membrane, non-combustible support framework, cavity barriers, fire-stopping measures, EPDM membranes and associated trims, removal of existing timber balcony decking and privacy screen boards and replacement with non-combustible composite decking and aluminium privacy screen systems, removal of existing timber screen boards to bin and cycle stores and removal of timber soffit boards to entrance canopies, with replacement non-combustible aluminium screen profiles and composite soffit boards installed and associated installation of cavity barriers and fire-stopping measures where required within the external wall construction.

    27 Jul 2026 Lawful development
  • 26/02835/CL2PD Awaiting decision

    Brandt House Rustat Avenue Cambridge Cambridgeshire CB1 3RQ

    Certificate of lawfulness under S192 for the removal of the existing insulated render system and replacement with a new A1-rated Wetherby insulated render system.

    27 Jul 2026 Lawful development
  • 26/02834/CL2PD Awaiting decision

    Sherman House Rustat Avenue Cambridge Cambridgeshire CB1 3RF

    Certificate of lawfulness under S192 for the removal of the existing insulated render system and replacement with a new A1-rated Wetherby insulated render system.

    27 Jul 2026 Lawful development
  • 26/02827/CL2PD Awaiting decision

    Adams House Rustat Avenue Cambridge Cambridgeshire CB1 3RE

    Certificate of lawfulness under S192 for the removal of the existing insulated render system and replacement with a new A1-rated Wetherby insulated render system.

    27 Jul 2026 Lawful development