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Planning application

26/00473/LDP

315 Windmill Avenue Kettering NN15 6PR

Refused North Northamptonshire Lawful Development - Proposed

Proposal

Demolish conservatory, replace with extension within same footprint.

As published by the council, reference 26/00473/LDP

Timeline

Dates from the published record

  1. 18 Feb 2026

    Received by North Northamptonshire

  2. 25 Mar 2026

    Validated

    Checked as complete and ready for consideration.

  3. 20 May 2026

    Decision issued: Refused

  4. 27 Jul 2026

    Added to PlanIndex

What refusal means

The process from here

The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.

Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.

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

  • 26/01398/HFUL Awaiting decision

    315 Windmill Avenue Kettering NN15 6PR

    Demolition of existing extension and construction of a replacement extension within the same footprint, together with alterations and refurbishment of the existing dwelling, including external works.

    21 May 2026 0m away Householder
  • 26/01789/HFUL Awaiting decision

    325 Windmill Avenue Kettering NN15 6PR

    Proposed garden room

    26 Jun 2026 59m away Householder
  • 26/01365/HFUL Awaiting decision

    329 Windmill Avenue Kettering NN15 6PR

    First floor rear extension

    28 Apr 2026 86m away Householder
  • 26/00180/HFUL Granted

    15 Beverley Road Kettering NN15 6NU

    Single storey rear extension

    8 Jan 2026 165m away Householder
  • 26/01912/LDP Awaiting decision

    38 Waverley Road Kettering NN15 6NT

    Loft conversion incorporating a side hip-to-gable extension and rear flat-roofed dormer, installation of external wall insulation with rendered finish, and relocation of existing solar panels

    9 Jul 2026 269m away Lawful development
  • 26/00760/LDP Withdrawn

    Kettering Science Academy Deeble Road Kettering NN15 7AA

    Construction of new single-storey standalone building, relocation of two existing covered cycle stores and erection of new fencing.

    23 Mar 2026 459m away Lawful development

In North Northamptonshire

  • 26/02022/LDE Awaiting decision

    Butterside Down Mawsley Lane Loddington NN14 1LB

    Pre-existing use of dwellinghouse built in breach of condition for 29 years

    20 Jul 2026 Lawful development
  • 26/02010/LDP Awaiting decision

    20 Glastonbury Close Kettering NN15 5ES

    To replace a joined single door and single window, with a patio door & side panel with top opening. Brick work will be removed under the window. no changes to lintel size. Work to be completed by fenser window company

    20 Jul 2026 Lawful development
  • 26/02024/LDP Awaiting decision

    24 Kettering Road Burton Latimer NN15 5LP

    Use of the land for siting a mobile home for use ancillary to the main dwelling

    20 Jul 2026 Lawful development
  • 26/00760/LDP Withdrawn

    Kettering Science Academy Deeble Road Kettering NN15 7AA

    Construction of new single-storey standalone building, relocation of two existing covered cycle stores and erection of new fencing.

    23 Mar 2026 Lawful development
  • 26/02003/LDP Awaiting decision

    76 Britannia Road Kettering NN16 9RY

    Single Family Dwellinghouse

    17 Jul 2026 Lawful development