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Planning application

1 Calder Avenue Perivale UB6 8JQ

Granted Old Oak and Park Royal Development Corporation 254372CPL Certificate of Lawfulness - Proposed

Works: Extension Loft or dormer Windows or glazing

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

Proposal

Alteration of roof from hip to gable end; rear roof extension; conversion of garage into a study room involving the insertion of a window in lieu of the garage door (Lawful Development Certificate for a Proposed Development)

As published by the council, reference 254372CPL

Application record

Reference
254372CPL
Type
Certificate of Lawfulness - Proposed
Status
Permitted Development
Decision
Permitted Development
Received
18 Nov 2025
Validated
18 Nov 2025
Decided
6 Feb 2026
Ward
Perivale
Decision by
Delegated Decision
Postcode
UB6 8JQ

Site history

Applications at this address on the Old Oak and Park Royal Development Corporation register

This site has had 3 applications since 2025: 2 approved, 0 refused.

  • 261198FUL Withdrawn

    1 Calder Avenue Perivale UB6 8JQ

    Change of use from a single-family dwellinghouse (Use Class C3) to a 6 person, 6 bedroom House in Multiple Occupation (Use Class C4); alteration of roof from hip to gable end; rear roof extension; conversion of garage into habitable space involving insertion of a window in lieu of garage door; and alterations to rear elevation fenestration at ground floor level

    Decided 27 May 2026 Full applications
  • 254152CND Granted

    1 Calder Avenue Perivale UB6 8JQ

    Submission of the Noise Mitigation Report pursuant to condition 7 of planning permission 251745FUL dated 10.10.2025 for 'Change of use from a single family dwellinghouse (Use Class C3) to a small House in Multiple Occupation (Use Class C4) for up to 6 occupants'

    Decided 6 Feb 2026 Conditions

Timeline

Dates from the published record

  1. 18 Nov 2025

    Received by Old Oak and Park Royal Development Corporation

  2. 6 Feb 2026

    Decision issued: Permitted Development

  3. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file, a planning consultancy

152 applications on PlanIndex · across 23 councils · 75% granted

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Documents

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

15 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

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What this grant of permission means

Old Oak and Park Royal Development Corporation granted permission on 6 February 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

  • 1 Calder Avenue Perivale UB6 8JQ

    254152CND Submitted 31 Oct 2025 0m away

    Submission of the Noise Mitigation Report pursuant to condition 7 of planning permission 251745FUL dated 10.10.2025 for 'Change of use from a single family dwellinghouse (Use Class C3) to a small House in Multiple Occupation (Use Class C4) for up to 6 occupants'

    Granted Conditions 6 docs
    Domestic
  • 1 Calder Avenue Perivale UB6 8JQ

    261198FUL Submitted 18 Mar 2026 0m away

    Change of use from a single-family dwellinghouse (Use Class C3) to a 6 person, 6 bedroom House in Multiple Occupation (Use Class C4); alteration of roof from hip to gable end; rear roof extension; conversion of garage into habitable space involving insertion of a window in lieu of garage door; and alterations to rear elevation fenestration at ground floor level

    Withdrawn Full applications Extension Loft or dormer +1 7 docs
    Domestic
  • 1 Calder Avenue Perivale UB6 8JQ

    254372CPL Submitted 18 Nov 2025 0m away

    Alteration of roof from hip to gable end; rear roof extension; conversion of garage into a study room involving the insertion of a window in lieu of the garage door (Lawful Development Certificate for a Proposed Development)

    Granted Lawful development Extension Loft or dormer +1 15 docs
  • 1 Calder Avenue Perivale UB6 8JQ

    261198FUL Submitted 18 Mar 2026 0m away

    Change of use from a single-family dwellinghouse (Use Class C3) to a 6 person, 6 bedroom House in Multiple Occupation (Use Class C4); alteration of roof from hip to gable end; rear roof extension; conversion of garage into habitable space involving insertion of a window in lieu of garage door; and alterations to rear elevation fenestration at ground floor level

    Withdrawn Full applications Extension Loft or dormer +1 7 docs
    Domestic
  • 1 Calder Avenue Perivale UB6 8JQ

    254152CND Submitted 31 Oct 2025 0m away

    Submission of the Noise Mitigation Report pursuant to condition 7 of planning permission 251745FUL dated 10.10.2025 for 'Change of use from a single family dwellinghouse (Use Class C3) to a small House in Multiple Occupation (Use Class C4) for up to 6 occupants'

    Granted Conditions 6 docs
    Domestic
  • 50 Conway Crescent Perivale UB6 8JA

    230018HH Submitted 4 Jan 2023 33m away

    Two storey side and part first floor rear extension; and front porch extension

    Refused Householder Extension 10 docs
    Small domestic

In Old Oak and Park Royal Development Corporation

  • 262843CPL Refused

    29 Nutfield Gardens Northolt UB5 6LU

    Alteration of roof from hip to gable end, rear roof extension; installation of three front rooflights (Lawful Development Certificate for a Proposed Development)

    21 Jul 2026 Lawful development
  • 262774CPL Granted

    133 Cleveland Road West Ealing W13 0EN

    Alteration of roof from hip to gable end and rear roof extension; rear dormer enlargement; installation of three rooflights to front roofslope (Lawful Development Certificate for a Proposed Development)

    14 Jul 2026 Lawful development
  • 262610CPL Refused

    6 Morden Gardens Greenford UB6 0LT

    Single storey rear extension (following demolition of rear addition) (Lawful Development Certificate for a Proposed Development)

    30 Jun 2026 Lawful development
  • 262475CPL Granted

    80 Windmill Lane Greenford UB6 9DS

    Rear roof extension, and installation of three roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)

    19 Jun 2026 Lawful development
  • 262678CPL Granted

    19 Southwell Avenue Northolt UB5 4DX

    Rear roof extension; installation of three front rooflights (Lawful Development Certificate for a Proposed Development)

    6 Jul 2026 Lawful development