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Planning application

9 Brentvale Avenue Southall UB1 3ER

Granted Old Oak and Park Royal Development Corporation 231485CPL Certificate of Lawfulness - Proposed

Works: Extension Loft or dormer

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; and installation of three rooflights to front roofslope (Lawful Development Certificate for Proposed Development)

As published by the council, reference 231485CPL

Application record

Reference
231485CPL
Type
Certificate of Lawfulness - Proposed
Status
Permitted Development
Decision
Granted As published: Permitted Development
Received
17 Apr 2023
Validated
17 Apr 2023
Decided
6 Jun 2023
Ward
Norwood Green
Decision by
Delegated Decision
Postcode
UB1 3ER

Site history

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

This site has had 5 applications since 2023: 3 approved, 2 refused.

  • 261882FUL Refused

    9 Brentvale Avenue Southall UB1 3ER

    Conversion of single dwellinghouse into two self-contained flats; single storey front porch extension; retention of the existing rear outbuilding; provision of associated private amenity space, bin storage, bicycle parking (Part-retrospective)

    Decided 26 Jun 2026 Full applications
  • 254571FUL Refused

    9 Brentvale Avenue Southall UB1 3ER

    Conversion of single dwellinghouse into two self-contained dwellings; single storey front porch extension; retention of existing outbuilding and provision of associated private amenity space, bin storage, bicycle parking (Part-retrospective)

    Decided 3 Feb 2026 Full applications
  • 254195CND Granted

    9 Brentvale Avenue Southall UB1 3ER

    Details of an enhanced sound insulation pursuant to condition 6 of planning permission ref: 252812FUL dated 26/09/2025 for: Conversion of dwelling house into two self-contained flats

    Decided 27 Jan 2026 Conditions
  • 244397HH Granted

    9 Brentvale Avenue Southall UB1 3ER

    Single storey side and rear extension.

    Decided 9 Jan 2025 Householder

Timeline

Dates from the published record

  1. 17 Apr 2023

    Received by Old Oak and Park Royal Development Corporation

  2. 6 Jun 2023

    Decision issued: Permitted Development

  3. 12 Oct 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

S9Designs Consultancy LTD Agent, registered in Slough

Dissolved · incorporated 2022 · Slough

8 applications on PlanIndex · across 6 councils

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

See their track record

Documents

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

4 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.

Watch members (£5 a month) open the document list from here.

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What this grant of permission means

Old Oak and Park Royal Development Corporation granted permission on 6 June 2023, 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 0.3 miles

  • 9 Brentvale Avenue Southall UB1 3ER

    254571FUL Submitted 10 Dec 2025 50 yards away

    Conversion of single dwellinghouse into two self-contained dwellings; single storey front porch extension; retention of existing outbuilding and provision of associated private amenity space, bin storage, bicycle parking (Part-retrospective)

    Refused Full applications Extension 9 docs
    Small domestic

  • 9 Brentvale Avenue Southall UB1 3ER

    254571FUL Submitted 10 Dec 2025 50 yards away

    Conversion of single dwellinghouse into two self-contained dwellings; single storey front porch extension; retention of existing outbuilding and provision of associated private amenity space, bin storage, bicycle parking (Part-retrospective)

    Refused Full applications Extension 9 docs
    Small domestic

  • 9 Brentvale Avenue Southall UB1 3ER

    244397HH Submitted 20 Nov 2024 50 yards away

    Single storey side and rear extension.

    Granted Householder Extension 9 docs
    Small domestic

  • 9 Brentvale Avenue Southall UB1 3ER

    254195CND Submitted 5 Nov 2025 50 yards away

    Details of an enhanced sound insulation pursuant to condition 6 of planning permission ref: 252812FUL dated 26/09/2025 for: Conversion of dwelling house into two self-contained flats

    Granted Conditions New dwelling 10 docs
    Domestic

  • 9 Brentvale Avenue Southall UB1 3ER

    254195CND Submitted 5 Nov 2025 50 yards away

    Details of an enhanced sound insulation pursuant to condition 6 of planning permission ref: 252812FUL dated 26/09/2025 for: Conversion of dwelling house into two self-contained flats

    Granted Conditions New dwelling 10 docs
    Domestic

  • 15 Brentvale Avenue Southall Middlesex UB1 3ER

    194750PTT Submitted 6 Nov 2019 50 yards away

    TPO 749 W26 (species unknown) Tall tree on Network Rail Land - Removing no more than 30% of the tree (see conditions by Tree Officer).

    Granted Trees 3 docs

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