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Planning application

PLA-2026-000854

18 Thorneycroft Avenue Manchester M21 7HT

Awaiting decision Manchester Lawful development: Proposed

Proposal

Erection of a single-storey detached outbuilding.

As published by the council, reference PLA-2026-000854

Timeline

Dates from the published record

  1. 30 Jun 2026

    Received by Manchester

  2. 20 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 Manchester 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

  • 129477/FO/2021 Granted

    10 Thorneycroft Avenue Manchester M21 7HT

    Erection of a two storey side extension to form additional living accommodation

    3 Mar 2021 37m away Full applications
  • 141121/FH/2024 Granted

    248 Darley Avenue Manchester M21 7HX

    Erection of a single storey side and rear extension following removal of existing garage.

    30 Sep 2024 102m away Householder
  • 129552/FH/2021 Granted

    25 Redwing Avenue Manchester M21 7JS

    Erection of single storey side and rear extension to provide additional living accommodation

    5 Mar 2021 192m away Householder
  • 128389/FH/2020 Granted

    217 Darley Avenue Manchester M21 7HR

    Erection of single story rear extension, front porch, hip to gable roof extension and rear dormer to provide additional living accommodation

    23 Oct 2020 203m away Householder
  • 129209/PDE/2020 Decided

    9 Emery Avenue Manchester M21 7LE

    Prior notification of proposed larger home extension projecting 4m to the rear with a maximum height of 3.65m and a height at eaves of 2.49m

    24 Dec 2020 294m away Prior approval
  • 145208/FH/2026 Granted

    15 Burrows Avenue Manchester M21 7LS

    Erection of part single, part two-storey side extension

    24 Feb 2026 300m away Householder

In Manchester

  • PLA-2026-000157 Refused

    14 DRIFFIELD STREET MANCHESTER M14 7HZ

    Use of property as a small House in Multiple Occupation (Use Class C4).

    1 May 2026 Lawful development
  • PLA-2026-000581 Refused

    The Green Building 19 New Wakefield Street Manchester M1 5NP

    Replacement of non-compliant façade materials and balcony surface works.

    3 Jun 2026 Lawful development
  • 145669/LP/2026 Refused

    16 Glenmere Road Manchester M20 5PH

    Construction of single storey extension to side of existing dwelling.

    1 Jun 2026 Lawful development
  • PLA-2026-000528 Granted

    11 Harley Avenue Manchester M14 5DJ

    Existing use of property as an 8-bedroom HMO (Sui Generis).

    29 May 2026 Lawful development
  • PLA-2026-000874 Awaiting decision

    1 Weldon Drive Manchester M9 0RW

    Use of dwellinghouse (Use Class C3) as a children's home for 1 no. child with carer accommodation (Use Class C2)

    21 Jul 2026 Lawful development