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Planning application

125 MORNINGTON CRESCENT, HOUNSLOW, TW5 9SU

Granted Hounslow P/2021/2942 Lawful Use Certificate

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

Certificate of lawfulness for the erection of rear roof extension incorporating hip to gable conversion, Juliette balcony, three front rooflights and a second floor side window to the house

As published by the council, reference P/2021/2942

Application record

Reference
P/2021/2942
Type
Lawful Use Certificate
Status
Decided: GRANTED (FULL PLANNING PERMISSION NOT REQUIRED)
Decision
GRANTED (FULL PLANNING PERMISSION NOT REQUIRED)
Received
20 Jul 2021
Validated
23 Jul 2021
Decided
16 Aug 2021
Ward
Cranford (Pre May 2022)
Decision by
Delegated
Postcode
TW5 9SU

Site history

Applications at this address on the Hounslow register

This site has had 2 applications since 2021: 2 approved, 0 refused.

  • PA/2021/2950 Granted

    125 MORNINGTON CRESCENT, HOUNSLOW, TW5 9SU

    Ground floor rear extension 6.00 metres deep, maximum height of 3.39 metres, 2.80 metres high to the eaves

    Decided 16 Aug 2021 Prior approval

Timeline

Dates from the published record

  1. 20 Jul 2021

    Received by Hounslow

  2. 23 Jul 2021

    Validated

    Checked as complete and ready for consideration.

  3. 16 Aug 2021

    Decision issued: GRANTED (FULL PLANNING PERMISSION NOT REQUIRED)

  4. 16 Aug 2026

    Added to PlanIndex

Documents

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

6 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.

Trade members open them from here.

Open the documents

What this grant of permission means

Hounslow granted permission on 16 August 2021, 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

  • 125 MORNINGTON CRESCENT, HOUNSLOW, TW5 9SU

    PA/2021/2950 Submitted 20 Jul 2021 0m away

    Ground floor rear extension 6.00 metres deep, maximum height of 3.39 metres, 2.80 metres high to the eaves

    Granted Prior approval Extension 5 docs

  • 94 Mornington Crescent, Hounslow, TW5 9SS

    PA/2026/1681 Submitted 5 Jun 2026 43m away

    Ground floor rear extension 6.00 metres deep, maximum height 2.90 metres, 2.75 metres high to the eaves

    Granted Prior approval Extension 6 docs

  • 96 Mornington Crescent, Hounslow, TW5 9SS

    P/2026/1926 Submitted 29 Jun 2026 45m away

    100% historically approved · decision due ~7 Sep

    Certificate of lawfulness for the existing use as four self contained flats

    Awaiting decision Lawful development New dwelling 3 docs

  • 723 Bath Road, Hounslow, TW5 9SZ

    P/2025/3659 Submitted 9 Dec 2025 100m away

    65% historically approved · decision due ~3 Feb

    Change of use from the existing residential house (C3) to a care home (C2).

    Awaiting decision Full applications 3 docs

  • 717 Bath Road, Hounslow, TW5 9SZ

    P/2026/1398 Submitted 6 May 2026 100m away

    Certificate of lawfulness for the proposed change of use of a single family house (C3) to Supported living accommodation (C3(b).

    Granted Lawful development 9 docs

  • 723 Bath Road, Hounslow, TW5 9SZ

    P/2026/1289 Submitted 28 Apr 2026 100m away

    Change of use from the existing residential house (C3) to a care home (C2).

    Refused Full applications 6 docs

In Hounslow

  • P/2026/2033 Granted

    3 Benedict Drive, Feltham, TW14 8JH

    Certificate of lawfulness for the proposed erection of a rear roof extension with hip to gable conversion with windows to the front and side of the house.

    8 Jul 2026 Lawful development
  • P/2026/2027 Granted

    115 Northumberland Crescent, Feltham, TW14 9SP

    Certificate of lawfulness for the proposed erection of a rear roof extension and windows to the front of the house.

    8 Jul 2026 Lawful development
  • P/2026/2009 Granted

    3 Brainton Avenue, Feltham, TW14 0AZ

    Certificate of lawfulness for the proposed erection of a rear roof extension and Juliette balcony with front roof windows to the house.

    7 Jul 2026 Lawful development
  • P/2026/2014 Granted

    82 Sussex Avenue, Isleworth, TW7 6LB

    Certificate of lawfulness for the proposed erection of a rear roof extension, a porch to the front of the house, and a front roof window.

    7 Jul 2026 Lawful development
  • P/2026/2473 Awaiting decision

    16 Somerset Waye, Hounslow, TW5 9HG

    Certificate of lawfulness for the proposed erection of a rear roof extension with two roof windows to the front and alterations to the existing side roof from flat roof to pitched roof.

    1 Sep 2026 Lawful development