3 Collingcroft Close Northampton NN4 0BN

1. 26 May 2026

   Received by West Northamptonshire

2. 27 Jul 2026

   Added to PlanIndex

3. 14 Aug 2026

   Decision issued: Approval

West Northamptonshire granted permission on 14 August 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.

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.

• 35 Grangewood Northampton NN4 0QN

  2026/1819/FULL Submitted 14 Apr 2026 150 yards away

  Two storey side extension, single storey rear extension, and garage conversion with front porch extension

  Granted Full applications Extension 9 docs
  Small domestic

• 2 Grangewood Northampton NN4 0QN

  2026/0487/LDP Submitted 29 Jan 2026 150 yards away

  Lawful development certificate (proposed) for conversion to residential children's home for up to three young people.

  Granted Lawful development 24 docs

• 4 Swallow Close Northampton NN4 0QL

  2026/2485/HH Submitted 17 Jun 2026 250 yards away

  Single-storey rear garage extension.

  Granted Householder Extension 6 docs
  Small domestic

• 4 Swallow Close Northampton NN4 0QL

  2026/1548/LDP Submitted 25 Mar 2026 250 yards away

  Lawful development certificate (proposed) for conversion of existing garage into office/gym

  Granted Lawful development 6 docs

• 26 Penn Gardens Northampton NN4 0QX

  2025/3810/NMA Submitted 23 Sep 2025 350 yards away

  Non Material Amendment to change fenestration and roof design to 2024/4554//FULL (Proposed single storey front extension and first floor extension over existing garage)

  Granted Amendments Extension Windows or glazing 7 docs
  Small domestic

• 32 Penn Gardens, Northampton, NN4 0QX

  2025/4406/FULL Submitted 8 Oct 2025 350 yards away

  Two storey side extension

  Granted Full applications Extension 13 docs

• 2026/2282/HH Granted

  The Thatched House Manor Road Sulgrave OX17 2SE

  Replace existing front box hedge (affected by box blight) with a proposed locally sourced stone wall.

  Received 20 May, published by the council 10 Aug 2026 Householder
• 2026/3539/HH Granted

  1 Milverton Crescent Northampton NN3 3AT

  Proposed first floor dormer extension to side elevation

  Received 13 Aug, published by the council 9 Sep 2026 Householder
• 2026/3160/HH Granted

  15 High Street Astcote NN12 8NW

  Proposed external material changes, changes to glazing and internal alterations

  Received 22 Jul, published by the council 10 Aug 2026 Householder
• 2026/3455/HH Granted

  Mulberry Barn Track To Littleworth Duncote NN12 8AL

  Proposed single storey side extension. Single storey garage to replace existing.

  Received 10 Aug, published by the council 1 Sep 2026 Householder
• 2026/3087/HH Granted

  Grange Barn 17 Heritage Farm Close Northampton NN4 6FG

  Replacement of 3no. first floor and 1no. ground floor wooden double glazed windows (retrospective)

  Received 24 Jul, published by the council 22 Aug 2026 Householder