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Council planning record

Construction of a mansard roof extension and a first floor side extension.

59 Richmond Avenue, London, N1 0LX

All consultations completeReference: P2026/0807/FULLondon Borough of Islington

Last published check: 2 Oct 2026, 15:43. Check the council record for more recent changes.

Application location

59 Richmond Avenue, London, N1 0LX

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Application summary

Status
All consultations complete
Application type
Full Planning (Householder)
Received
25 Mar 2026
Validated
12 May 2026
Determination deadline
21 Jun 2026
Local authority
London Borough of Islington

Application overview

Construction of a mansard roof extension and a first floor side extension.

Proposal details

Reference
P2026/0807/FUL
Alternative references
PP-14810840
Ward
Barnsbury
Agent
Trevor Brown
UPRN
5300077824

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Documents 32 of 32

DocumentPublishedAction
Application Form - Without Personal DataApplication Form - Redacted25 Mar 2026View
Existing Drawings SetDrawings - Existing25 Mar 2026View
Proposed Drawings SetDrawings - Proposed25 Mar 2026View
Location PlanLocation Plan25 Mar 2026View
Proposed Site PlanDrawings - Proposed25 Mar 2026View
Design and access statementApplication Supporting Documents25 Mar 2026View
AVR - Visuals of ProposalApplication Supporting Documents25 Mar 2026View
Street Scene/Context Plan - ProposedDrawings - Proposed25 Mar 2026View
Street Scene/Context Plan - ProposedDrawings - Proposed25 Mar 2026View
Existing Ground and Lower ground floor levelsDrawings - Existing25 Mar 2026View
Existing First and Second Floor levelDrawings - Existing25 Mar 2026View
Existing - Loft and Rood PlanDrawings - Existing25 Mar 2026View
Existing Section AADrawings - Existing25 Mar 2026View
Existing Section BBDrawings - Existing25 Mar 2026View
Existing Section CCDrawings - Existing25 Mar 2026View
Existing Section DD & EEDrawings - Existing25 Mar 2026View
Existing Section Front and Rear ElevationDrawings - Existing25 Mar 2026View
Existing Side ElevationDrawings - Existing25 Mar 2026View
Proposed Floor Plans - Ground and Lower ground floor levelsDrawings - Proposed25 Mar 2026View
Proposed Floor Plans - First and Second Floor levelDrawings - Proposed25 Mar 2026View
Proposed Floor Plan - Loft and Rood PlanDrawings - Proposed25 Mar 2026View
Proposed Section AADrawings - Proposed25 Mar 2026View
Proposed Section BBDrawings - Proposed25 Mar 2026View
Proposed Section CCDrawings - Proposed25 Mar 2026View
Proposed Section DD & EEDrawings - Proposed25 Mar 2026View
Proposed Front and Rear ElevationDrawings - Proposed25 Mar 2026View
Proposed Side ElevationDrawings - Proposed25 Mar 2026View
Updated Design and Access StatementApplication Supporting Documents12 May 2026View
Sustainable Design and Construction StatementApplication Supporting Documents12 May 2026View
DN FINALDecision Notice Final24 Jun 2026View
delegated reportDelegated Report24 Jun 2026View
Appeal StatementAppeal Documents10 Sept 2026View

Documents open on the council website. Browse council documents if a link has changed.

Application timeline

Council milestones and published deadlines. A deadline passing does not confirm a decision.

  1. Application date

    Published milestoneCouncil source

  2. Received date

    Published milestoneCouncil source

  3. Registration date

    Published milestoneCouncil source

  4. Valid date

    Published milestoneCouncil source

  5. Press notice start date

    Published milestoneCouncil source

  6. Site notice date

    Published milestoneCouncil source

  7. Consultation expiry date

    Past published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source

  8. Statutory expiry date

    Past published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source

  9. Publicity end date

    Past published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source

  10. Site notice end date

    Past published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source

  11. Decision due date

    Past published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source

  12. Dispatch date

    Published milestoneCouncil source

  13. Decision date

    Published milestoneCouncil source

  14. Appeal lodged date

    Published milestoneCouncil source

  15. Appeal notification date

    Published milestoneCouncil source

Decision & conditions

Refusal of permission

Appeal status: Appeal lodged

DN FINAL
Planning conditions
  1. REASON: The proposed roof extension by reason of its inappropriate design, scale, massing and overall appearance would form a visually incongruous and dominant addition which disrupts an unaltered roof line and would harm the architectural integrity of the host building and fail to preserve the character and appearance of the Barnsbury Conservation Area. The proposal is therefore contrary to the National Planning Policy Framework (2024), policies D1, D4, and HC1 of the London Plan (2021), policies PLAN1, DH1, and DH2 of Islington’s Strategic and Development Management Policies (2023) and the guidance set out in the Barnsbury Conservation Area Design Guidelines (2002) and Islington’s Urban Design Guide (2017).
  2. Location Plan, Proposed Site Plan, 197_0001 Rev. A, 197_0002 Rev. A, 197_0003 Rev. A, 197_0100 Rev. A, 197_0101 Rev. A, 197_0102 Rev. a, 197_0103 Rev. A; 197_0200 Rev. A, 197_0201 Rev. A, 197_9000, 197_9001, Design and Access Statement (Trevor Brown Architect), Sustainable Design and Construction Statement; Accurate Visual Representations of Roof Extension partially visible from public realm at some times of year and Side Extension.
  3. REASON: The proposed side extension by reason of its inappropriate design, scale, massing, and height would form a discordant and incongruous feature when viewed from the street and would have a detrimental effect on the character and appearance of the host building and the surrounding Barnsbury Conservation Area. The proposed development would also result in the loss of the integral open and spacious character which exists between the end of terrace dwelling and the larger adjoining semi-detached villa in this section of Richmond Avenue. The proposal is therefore contrary to the National Planning Policy Framework (2024), policies D1, D4, and HC1 of the London Plan (2021), policies PLAN1, DH1, and DH2 of Islington’s Strategic and Development Management Policies (2023) and the guidance set out in the Barnsbury Conservation Area Design Guidelines (2002) and Islington’s Urban Design Guide (2017).
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