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Planning application

Prospect Cottage Kelmarsh Road Harrington NN6 9PA

Granted North Northamptonshire 25/01451/HFUL Householder Planning Permission

Works: Extension Small domestic

Read from the description, not a valuation. How we read the register

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Single storey rear infill extension and extension to existing outbuildings

As published by the council, reference 25/01451/HFUL

Application record

Reference
25/01451/HFUL
Type
Householder Planning Permission
Status
Decided
Decision
Granted As published: Application Permitted/Approved
Received
10 Oct 2025
Validated
4 Nov 2025
Decided
11 Feb 2026
Ward
Rothwell & Mawsley
Parish
Harrington CP
Decision by
Officer Delegated Decision
Postcode
NN6 9PA

Timeline

Dates from the published record

  1. 10 Oct 2025

    Received by North Northamptonshire

  2. 4 Nov 2025

    Validated

    Checked as complete and ready for consideration.

  3. 11 Feb 2026

    Decision issued: Application Permitted/Approved

  4. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Sidey Design Architecture Agent, an architecture practice

81 applications on PlanIndex · across 8 councils · 92% granted

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Documents

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

5 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.

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What this grant of permission means

North Northamptonshire granted permission on 11 February 2026, 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 householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

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