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Planning application

P/2026/1891

27 Parkwood Road, Isleworth, TW7 5HE

Awaiting decision Hounslow Lawful Development Certificate (Proposed)

Proposal

Certificate of lawfulness for the proposed erection of a rear roof extension and a detached outbuilding at the rear garden.

As published by the council, reference P/2026/1891

Timeline

Dates from the published record

  1. 25 Jun 2026

    Received by Hounslow

  2. 26 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Hounslow for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • P/2026/1697 Withdrawn

    27 Parkwood Road, Isleworth, TW7 5HE

    Erection of a single storey rear and a single storey side extension

    8 Jun 2026 0m away Householder
  • P/2025/2500 Withdrawn

    23 Downs View, Isleworth, TW7 5HF

    Erection of a single storey ground floor side extension and part rear infill extension to the house. Following the demolition of the garage.

    12 Aug 2025 42m away Householder
  • P/2026/0918 Granted

    68 Parkwood Road, Isleworth, TW7 5HD

    Erection of a two storey side and two storey rear extension to create a lower ground floor incorporating the creation of rear decking at ground floor and lower ground floor and a new front porch

    19 Mar 2026 56m away Householder
  • PA/2024/3560 Granted

    53 Hartham Road, Isleworth, TW7 5EY

    Ground floor rear extension 6.00 metres deep, maximum height of 4.00 metres, 3.00 metres high to the eaves

    28 Oct 2024 122m away Prior approval
  • P/2021/2266 Granted

    96 PARKWOOD ROAD, ISLEWORTH, TW7 5HD

    Erection of a single storey side extension and front porch with conversion of garage into a habitable room of the house

    7 Jun 2021 168m away Householder
  • P/2025/2483 Withdrawn

    32 Campion Road, Isleworth, TW7 5HS

    Erection of two storey side and single storey rear extension and single storey extension and conversion of the garage into a habitable room to the house..

    12 Aug 2025 170m away Householder

In Hounslow

  • P/2026/2219 Awaiting decision

    Great West House,993 Great West Road,Brentford,TW8 9DF

    Certificate of lawfulness for the installation of two electricity substations.

    29 Jul 2026 Lawful development
  • P/2026/1626 Granted

    2 Oak Avenue, Hounslow, TW5 9EB

    Certificate of lawfulness for the proposed erection of a rear roof extension with hip to gable conversion and the addition of one front roof light.

    2 Jun 2026 Lawful development
  • P/2026/2168 Awaiting decision

    49 Durham Road, Feltham, TW14 0AG

    Certificate of lawfulness for the proposed erection of a detached outbuilding in the rear garden.

    24 Jul 2026 Lawful development
  • P/2026/1448 Granted

    13 Orchard Avenue, Hounslow, TW5 0DU

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

    13 May 2026 Lawful development
  • P/2026/1682 Granted

    133 Swan Road, Feltham, TW13 6LT

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

    5 Jun 2026 Lawful development