53 Hillside Avenue Kettering NN15 6EF

1. 17 Apr 2026

   Received by North Northamptonshire

2. 12 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 6 Jul 2026

   Decision issued: Application Permitted/Approved

4. 27 Jul 2026

   Added to PlanIndex

North Northamptonshire granted permission on 6 July 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 39 Hillside Avenue Kettering NN15 6EF

  25/01390/HFUL Submitted 3 Oct 2025 50 yards away

  Demolition of existing outbuilding and construction of a single storey rear extension with flat roof and ramp to front

  Granted Householder Extension Demolition 9 docs
  Small domestic

• 33 St Michaels Road Kettering NN15 6AS

  26/00670/PDE Submitted 12 Mar 2026 150 yards away

  Single storey rear extension to extend beyound the rear wall of the original property by 6m with a maximum heigh of 3.7m and an eaves heigh of 2.6m

  Withdrawn Extension 5 docs
  Small domestic

• 34 The Oval Kettering NN15 6AY

  26/01854/HFUL Submitted 3 Jul 2026 300 yards away

  91% historically approved · decision due ~14 Oct

  Replacement of Concrete Boundary Wall with Concrete Posts and Wood Fence Panelling

  Awaiting decision 5 docs
  Small domestic

• 33 Garfield Street Kettering NN15 6BU

  26/00637/PDE Submitted 9 Mar 2026 350 yards away

  Extension to extend beyond the rear wall of the original property by 4m with a maximum height of 3m and eaves height of 3m, including demolition of 2 timber outbuildings to the rear.

  Refused Extension Demolition 5 docs

• 5 The Close Kettering NN15 6AG

  25/00938/HFUL Submitted 11 Aug 2025 350 yards away

  Two storey side extension, alter existing roof to rear

  Granted Householder Extension 4 docs
  Domestic

• 33 Garfield Street Kettering NN15 6BU

  26/01452/LDP Submitted 26 May 2026 350 yards away

  82% historically approved · decision due ~21 Jul

  Proposed conversion of a dwellinghouse (Class C3) to a 6-bedroom, 6-person HMO (Class C4), including rear dormer, ground floor rear extension, infill extension, and front rooflights

  Decided Lawful development Extension Loft or dormer 7 docs
  Domestic

• 26/03089/LDP Awaiting decision

  90 Wellingborough Road Rushden NN10 9TD

  C4 small HMO

  Received 29 Oct, published by the council 30 Oct 2026 Lawful development
• 26/03065/LDP Awaiting decision

  Flat A 1 Church Street Wellingborough NN8 4PA

  Conversion for a 5 bed HMO with minor internal alterations

  Received 27 Oct, published by the council 29 Oct 2026 Lawful development
• 26/03025/LDP Awaiting decision

  3 Prospect Avenue Irchester NN29 7DZ

  Hip to gable roof alterations, loft conversion including rear dormer and conversion of existing garage

  Received 22 Oct, published by the council 23 Oct 2026 Lawful development
• 26/03024/LDP Awaiting decision

  122 Blenheim Walk Corby NN18 9HB

  Erection of a three-storey rear extension, extending 3 metres beyond the rear elevation

  22 Oct 2026 Lawful development
• 26/02460/LDP Decided

  6 Belvedere Road Kettering NN15 7NE

  Change of use from C3 to C2

  Received 28 Aug, published by the council 1 Sep 2026 Lawful development