45 Grendon Walk Northampton NN3 6EP

1. 10 Jun 2026

   Received by West Northamptonshire

2. 13 Jul 2026

   Decision issued: Approval

3. 27 Jul 2026

   Added to PlanIndex

West Northamptonshire granted permission on 13 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.

• 50 Goodwood Avenue Northampton NN3 6EF

  2024/2491/FULL Submitted 7 May 2024 150 yards away

  Change of use from C3 to C2 (Children Centre)

  Granted Full applications 10 docs

• 1 Woodcote Avenue Northampton NN3 6DU

  2026/0958/FULL Submitted 25 Feb 2026 250 yards away

  Proposed single storey rear extension & garage conversion

  Granted Full applications Extension 9 docs
  Small domestic

• 170 Coppice Drive Northampton NN3 6NG

  2024/3054/FULL Submitted 19 Jun 2024 250 yards away

  Proposed single storey extensions to rear & side and a two storey front extension to the existing dwelling

  Granted Full applications Extension 8 docs
  Small domestic

• 154 Coppice Drive Northampton NN3 6NG

  2026/0974/FULL Submitted 26 Feb 2026 250 yards away

  Extend and convert existing garage and coal shed into a granny annexe and an office.

  Granted Full applications 11 docs
  Small domestic

• 12 Rockingham Close Northampton NN3 6FW

  2025/5040/FULL Submitted 24 Nov 2025 250 yards away

  Erection of single storey rear extension, single storey infill front extension and associated alterations

  Granted Full applications Extension 12 docs
  Small domestic

• 49 Aintree Road Northampton NN3 6EA

  2024/4918/FULL Submitted 21 Oct 2024 350 yards away

  Two storey front extension

  Granted Full applications Extension 10 docs

• 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