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Planning application

21 Manor Avenue Northolt UB5 5BZ

Refused Old Oak and Park Royal Development Corporation 231017CPL Certificate of Lawfulness - Proposed

Works: Extension Loft or dormer Windows or glazing

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Alteration of roof from hip to gable end; rear roof extension; installation of two rooflights to front roofslope and window within side gable wall (Lawful Development Certificate for a Proposed Development)

As published by the council, reference 231017CPL

Application record

Reference
231017CPL
Type
Certificate of Lawfulness - Proposed
Status
Refused
Decision
Refused
Received
10 Mar 2023
Validated
10 Mar 2023
Decided
3 May 2023
Ward
Northolt Mandeville
Decision by
Delegated Decision
Postcode
UB5 5BZ

Timeline

Dates from the published record

  1. 10 Mar 2023

    Received by Old Oak and Park Royal Development Corporation

  2. 3 May 2023

    Decision issued: Refused

  3. 10 Sep 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Structural Engineering Consultants Agent, an engineering consultancy registered in Middlesex

Active · incorporated 1987 · Middlesex

13 applications on PlanIndex · across 2 councils · 77% granted

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Documents

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

8 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 refusal means

Old Oak and Park Royal Development Corporation refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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 0.3 miles

  • 27 Manor Avenue Northolt UB5 5BZ

    254627FUL Submitted 9 Dec 2025 50 yards away

    Change of use of dwellinghouse (C3) to HMO (Sui Generis) with provision of bin storage and car/cycle parking

    Granted Full applications 20 docs
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  • 27 Manor Avenue Northolt UB5 5BZ

    254627FUL Submitted 9 Dec 2025 50 yards away

    Change of use of dwellinghouse (C3) to HMO (Sui Generis) with provision of bin storage and car/cycle parking

    Granted Full applications 20 docs
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  • 22 Manor Avenue Northolt UB5 5BZ

    254345HH Submitted 17 Nov 2025 50 yards away

    Single storey side/rear extension (following demolition of existing conservatory)

    Granted Householder Extension Demolition 11 docs
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  • 22 Manor Avenue Northolt UB5 5BZ

    254345HH Submitted 17 Nov 2025 50 yards away

    Single storey side/rear extension (following demolition of existing conservatory)

    Granted Householder Extension Demolition 11 docs
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  • 8 Harewood Close Northolt UB5 5DF

    230004HH Submitted 3 Jan 2023 50 yards away

    Single storey detached garden outbuilding for use as home office/gym/storage (following demolition of existing rear garage and storage)

    Granted Householder Demolition 14 docs
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  • 8 Harewood Close Northolt UB5 5DF

    230004HH Submitted 3 Jan 2023 50 yards away

    Single storey detached garden outbuilding for use as home office/gym/storage (following demolition of existing rear garage and storage)

    Granted Householder Demolition 14 docs
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In Old Oak and Park Royal Development Corporation

  • 263142CPL Granted

    42 Gloucester Road Acton W3 8PD

    Roof extension to rear (main) roof slope; part rear roof extension to rear outrigger roof slope and installation of two roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)

    Received 18 Aug, published by the council 12 Oct 2026 Lawful development
  • 263690CPL Awaiting decision

    133 Trinity Road Southall UB1 1ES

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

    Received 6 Oct, published by the council 12 Oct 2026 Lawful development
  • 262683CPE Granted

    1 Speldhurst Road Chiswick W4 1BX

    Continuous use of conversion of the roof space to provide additional habitable accommodation, installation of rooflights to the front roof slope and a rear dormer and construction of a single-storey rear extension. External materials to match the existing dwelling (Lawful Development Certificate for an Existing Development)

    Received 7 Jul, published by the council 3 Aug 2026 Lawful development
  • 254066CPE Refused

    37 Robin Hood Way Greenford UB6 7QN

    Use of ground floor flat and first/second floor flat (Use Class C3) as 2 x House in Multiple Occupation (Use Class C4) (Certificate of Lawfulness for an Existing Use)

    Received 24 Oct, published by the council 3 Aug 2026 Lawful development
  • 262883CPL Granted

    90 Church Road Hanwell W7 3BE

    Rear roof extension (following removal of chimney); installation of two rooflight to front roofslope (Lawful Development Certificate for a Proposed Development)

    Received 24 Jul, published by the council 10 Sep 2026 Lawful development