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Planning application

26/00679/PLDC

7 Mon Crescent Southampton SO18 5QW

Awaiting decision Southampton Lawful Devt Certificate Proposed Use

Proposal

Application for a lawful development certificate for a proposed single-storey rear extension

As published by the council, reference 26/00679/PLDC

Timeline

Dates from the published record

  1. 3 Jul 2026

    Received by Southampton

  2. 25 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 Southampton 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

  • 21/00820/PLDC Granted

    645 Bitterne Road East Southampton SO18 5QX

    Application for a lawful development certificate for a proposed roof extension comprising hip to gable and rear dormer loft conversion

    26 May 2021 98m away Lawful development
  • 22/00278/TPO Refused

    7 Marvin Way Southampton SO18 5QZ

    Reduce Beech tree on northern aspect only by approx. 3m to alleviate weight on heavily leaning tree.

    22 Nov 2022 140m away Trees
  • 26/00141/TPO Granted

    682 Bitterne Road East Southampton SO18 5QY

    Sycamore Maple - Fully remove diseased/dead tree

    21 May 2026 163m away Trees
  • 23/00002/FUL Granted

    42 Somerset Avenue Southampton SO18 5FL

    Erection of a part 2-storey, part single storey side and rear extension. (Resubmission)

    3 Jan 2023 174m away Full applications
  • 25/01458/FUL Granted

    42 Somerset Avenue Southampton SO18 5FL

    Erection of front porch (part retrospective)

    17 Dec 2025 174m away Full applications
  • 25/01183/FUL Granted

    12 Keats Road Southampton SO19 5FF

    Erection of a single storey front extension and porch (amendment to planning permission ref 24/00304/FUL) (Retrospective).

    6 Oct 2025 199m away Full applications

In Southampton

  • 26/00564/ELDC Granted

    61 Newcombe Road Southampton SO15 2FT

    Application for a lawful development certificate for the existing use as a house in multiple occupation (HMO, Class C4)

    15 May 2026 Lawful development
  • 26/00637/PLDC Granted

    92 Kennedy Road Southampton SO16 5DQ

    Application for a lawful development certificate for a proposed single-storey rear extension.

    1 Jun 2026 Lawful development
  • 26/00454/ELDC Granted

    19 Livingstone Road Southampton SO14 6WL

    Application for a lawful development certificate for the existing use as an 8-person house in multiple occupation (HMO, Sui Generis)

    20 Apr 2026 Lawful development
  • 26/00418/ELDC Granted

    Flat 9 30 High Road Southampton SO16 2JH

    Application for a lawful development certificate for the existing use as a house in multiple occupation (HMO, Class C4).

    13 Apr 2026 Lawful development
  • 26/00605/PLDC Granted

    475 Portsmouth Road Southampton SO19 9LY

    Application for a lawful development certificate for a proposed rear extension of existing single storey side garage.

    26 May 2026 Lawful development