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Planning application

66 Horn Lane Acton W3 6NT

Refused Old Oak and Park Royal Development Corporation 260384CPE Certificate of Lawfulness - Existing

Works: New dwelling

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

Proposal

Continue use of property as two self-contained flats (Lawful Development Certificate for Existing Use)

As published by the council, reference 260384CPE

Application record

Reference
260384CPE
Type
Certificate of Lawfulness - Existing
Status
Refused
Decision
Refused
Received
2 Feb 2026
Validated
2 Feb 2026
Decided
14 Apr 2026
Ward
North Acton
Decision by
Delegated Decision
Postcode
W3 6NT

Site history

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

This site has had 3 applications since 2025: 1 approved, 1 refused.

  • 261863CPE Granted

    66 Horn Lane Acton W3 6NT

    Continue to use the property as two self-contained flats (Lawful Development Certificate for Existing Use)

    Decided 20 Aug 2026 Lawful development
  • 254485FUL Awaiting decision

    66 Horn Lane Acton W3 6NT

    Single storey rear extension; rear roof extension with Juliet balcony; insertion of three front rooflights; alteration to rear fenestration of existing ground and first/second floor flats (Following demolition of existing ground floor rear)

    Submitted 27 Nov 2025 Full applications

Timeline

Dates from the published record

  1. 2 Feb 2026

    Received by Old Oak and Park Royal Development Corporation

  2. 14 Apr 2026

    Decision issued: Refused

  3. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file

462 applications on PlanIndex · across 63 councils · 91% granted

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Documents

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

8 documents on file for this application

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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 500 metres

  • 66 Horn Lane Acton W3 6NT

    254485FUL Submitted 27 Nov 2025 0m away

    76% historically approved · decision due ~22 Jan

    Single storey rear extension; rear roof extension with Juliet balcony; insertion of three front rooflights; alteration to rear fenestration of existing ground and first/second floor flats (Following demolition of existing ground floor rear)

    Awaiting decision Full applications New dwelling Extension +3 7 docs
    Small domestic

  • 66 Horn Lane Acton W3 6NT

    260384CPE Submitted 2 Feb 2026 0m away

    Continue use of property as two self-contained flats (Lawful Development Certificate for Existing Use)

    Refused Lawful development New dwelling 8 docs

  • 66 Horn Lane Acton W3 6NT

    254485FUL Submitted 27 Nov 2025 0m away

    75% historically approved · decision due ~22 Jan

    Single storey rear extension; rear roof extension with Juliet balcony; insertion of three front rooflights; alteration to rear fenestration of existing ground and first/second floor flats (Following demolition of existing ground floor rear)

    Awaiting decision Full applications New dwelling Extension +3 7 docs
    Small domestic

  • 66 Horn Lane Acton W3 6NT

    261863CPE Submitted 6 May 2026 24m away

    Continue to use the property as two self-contained flats (Lawful Development Certificate for Existing Use)

    Granted Lawful development New dwelling 5 docs

  • 66 Horn Lane Acton W3 6NT

    261863CPE Submitted 6 May 2026 24m away

    Continue to use the property as two self-contained flats (Lawful Development Certificate for Existing Use)

    Granted Lawful development New dwelling 5 docs

  • 8 Summerlands Avenue Acton W3 6EN

    243444CPE Submitted 31 Aug 2024 39m away

    Rear roof extension; installation of two rooflights to front roofslope (Lawful Development Certificate for an Existing Development)

    Refused Lawful development Extension Loft or dormer 17 docs

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