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Planning application

3 Montreal Road Cambridge Cambridgeshire CB1 3NP

Granted Cambridge 26/02872/CL2PD Lawful Use Certificate (S192)

Works: Extension Loft or dormer

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

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

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

Application record

Reference
26/02872/CL2PD
Type
Lawful Use Certificate (S192)
Status
Decided
Decision
Certificate Granted
Received
29 Jul 2026
Validated
29 Jul 2026
Decided
2 Sep 2026
Ward
Romsey
Decision by
Delegated Decision
Postcode
CB1 3NP

Timeline

Dates from the published record

  1. 29 Jul 2026

    Received by Cambridge

  2. 1 Aug 2026

    Added to PlanIndex

  3. 2 Sep 2026

    Decision issued: Certificate Granted

Who's behind it

Company information only, from the register and Companies House

AHP Design Ltd Agent, a design practice registered in Newmarket

Active · incorporated 2017 · Newmarket

77 applications on PlanIndex · across 9 councils · 93% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

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Documents

Plans, drawings, consultee responses and the officer's report

9 documents on file for this application

  • DELEGATED REPORT Application Committee / Delegated Report · 03 Sep 2026
  • DECISION NOTICE Application Decision Notice · 02 Sep 2026
  • LPA RED LINE PLAN Drawings · 06 Aug 2026
  • ACKNOWLEDGEMENT LETTER Application Officer Correspondence · 30 Jul 2026
  • APPLICATION FORM - NO PERSONAL INFO Application Information · 29 Jul 2026
  • FEE CALCULATION Application Information · 29 Jul 2026
  • ATTACHMENT SUMMARY FROM PORTAL Attachment Summary · 29 Jul 2026
  • PROPOSED PLANS ELEVATIONS AND SITE Drawings · 29 Jul 2026
  • EXISTING PLANS ELEVATIONS AND SITE Drawings · 29 Jul 2026

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What this grant of permission means

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.

About lawful development applications

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.

Nearby applications

Within 500 metres

  • 2 Montreal Road Cambridge Cambridgeshire CB1 3NP

    24/04034/FUL Submitted 28 Oct 2024 9m 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

  • 17 Natal Road Cambridge Cambridgeshire CB1 3NS

    24/04236/CL2PD Submitted 12 Nov 2024 36m 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/CONDA Submitted 13 Jul 2026 40m 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 9 docs

  • 15 Brookfields Cambridge Cambridgeshire CB1 3NW

    22/05199/HFUL Submitted 30 Nov 2022 41m away

    Loft conversion with rear facing dormer windows and single storey extension to rear.

    Granted Householder Extension Loft or dormer +1 23 docs
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  • 11 Brookfields Cambridge Cambridgeshire CB1 3NW

    24/03795/HFUL Submitted 9 Oct 2024 43m away

    Erection of multi-function garden room in the rear garden (following approved application 24/01926/HFUL)

    Granted Householder 11 docs
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  • 1-3 Flat Brookfields Cambridge Cambridgeshire CB1 3NW

    26/02124/FUL Submitted 8 Jun 2026 54m away

    Retrospective installation of Security roller Shutters to front and side elevations.

    Granted Full applications 21 docs

In Cambridge

  • 26/02703/CL2PD Granted

    Unit 8 Restwell House Coldhams Road Cambridge Cambridgeshire CB1 3EW

    Certificate of lawfulness under S192 for a proposed change of use from a second-hand bookshop (Class E(a)) to an indoor gym (Class E(d))

    16 Jul 2026 Lawful development
  • 26/02835/CL2PD Granted

    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
  • 26/02532/CL2PD Withdrawn

    Brooklands Court Brooklands Avenue Cambridge Cambridgeshire CB2 8BP

    Certificate of lawfulness under S192 for the replacement of timber windows and patio doors (1-20) to UPVC in Chartwell Green.

    3 Jul 2026 Lawful development
  • 26/02307/CLUED Withdrawn

    83 Derwent Close Cambridge Cambridgeshire CB1 8DY

    S191 for the existing use of dwellinghouse to be used as a HMO for 4 persons.

    18 Jun 2026 Lawful development
  • 26/02415/CL2PD Granted

    14 Rock Road Cambridge Cambridgeshire CB1 7UF

    Certificate of lawfulness under S192 for a proposed wooden bike shed to front drive dwelling.

    25 Jun 2026 Lawful development