15 Penn Gardens Northampton NN4 0QX

1. 12 Aug 2025

   Received by West Northamptonshire

2. 16 Oct 2025

   Decision issued: Approval

3. 10 Aug 2026

   Added to PlanIndex

West Northamptonshire granted permission on 16 October 2025, 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.

• 26 Penn Gardens Northampton NN4 0QX

  2025/3810/NMA Submitted 23 Sep 2025 50 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 50 yards away

  Two storey side extension

  Granted Full applications Extension 13 docs

• 26 Penn Gardens Northampton NN4 0QX

  2026/2585/NMA Submitted 24 Jun 2026 50 yards away

  Non material amendment to widen the front first floor Juliette balcony to 2025/3810/NMA and planning permission 2024/4554/FULL (Proposed single storey front extension and first floor extension over existing garage)

  Granted Amendments Extension 5 docs
  Small domestic

• 35 Grangewood Northampton NN4 0QN

  2026/1819/FULL Submitted 14 Apr 2026 250 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 250 yards away

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

  Granted Lawful development 24 docs

• 18 Hobby Close Northampton NN4 0RN

  2026/3289/HH Submitted 30 Jul 2026 300 yards away

  96% historically approved · decision due ~13 Oct

  First floor side extension.

  Awaiting decision Householder Extension 8 docs
  Domestic

• 2026/3534/LDE Granted

  Plumpton Barn Plumpton End Paulerspury NN12 7NJ

  Lawful development certificate (existing) for the retention of pond within the residential curtilage of the dwelling.

  Received 13 Aug, published by the council 9 Sep 2026 Lawful development
• 2026/3278/LDP Granted

  26 Perry Street Northampton NN1 4HW

  Erection of a single storey rear extension.

  Received 27 Jul, published by the council 15 Aug 2026 Lawful development
• 2026/3389/LDP Refused

  23 Greenell Close Deanshanger MK19 6UX

  Lawful development certificate (proposed) for single storey rear extension and wood burning stove to include external flue.

  Received 4 Aug, published by the council 1 Sep 2026 Lawful development
• 2026/3274/LDP Granted

  Orchard Lodge 8A Glassthorpe Lane Harpole NN7 4DU

  Lawful development certificate (proposed) for the proposed provision of a twin unit mobile home within the garden of the lawful dwelling house for use as additional accommodation by one household

  Received 27 Jul, published by the council 22 Aug 2026 Lawful development
• 2026/3038/LDE Granted

  3 Huntsham Close Northampton NN3 3AX

  Certificate of Lawfulness for Existing Use - C4 House in Multiple Occupation (HMO).

  Received 14 Jul, published by the council 10 Aug 2026 Lawful development