5 Portchester Gardens Northampton NN3 9UP

1. 8 Sep 2025

   Received by West Northamptonshire

2. 17 Dec 2025

   Validated

   Checked as complete and ready for consideration.

3. 20 Feb 2026

   Decision issued: Approval

4. 10 Aug 2026

   Added to PlanIndex

West Northamptonshire granted permission on 20 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.

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.

• 1 Chilwell Court Northampton NN3 9UR

  2026/3664/HH Submitted 20 Aug 2026 150 yards away

  96% historically approved · decision due ~10 Nov

  Single Storey Side Extensions

  Awaiting decision Householder Extension 7 docs
  Small domestic

• 7 Donovan Court Northampton NN3 3DD

  2024/3802/FULL Submitted 31 Jul 2024 150 yards away

  Convert existing garage into an annexe by extending the ground floor and extending first floor.

  Refused Full applications 17 docs

• 7 Donovan Court, Northampton, NN3 3DD

  2025/5309/FULL Submitted 15 Dec 2025 150 yards away

  Proposed garage with glazed link to dwelling

  Refused Full applications Windows or glazing 11 docs
  Domestic

• 62 Wilford Avenue, Northampton, NN3 9UQ

  2024/5305/FULL Submitted 14 Nov 2024 200 yards away

  Demolition of garage & conservatory. New single storey rear and double storey side extensions.

  Granted Full applications Extension Demolition 15 docs
  Small domestic

• Mercedes Benz Sytner Riverside Prime Carousel Way Northampton NN3 9HG

  2026/2055/FULL Submitted 6 May 2026 300 yards away

  Side extension to form new drive in service lobby and minor site alterations

  Granted Full applications Extension 14 docs

• Riverside Prime, Unit 8, Carousel Way, Northampton, NN3 9HG

  2025/4502/FULL Submitted 10 Oct 2025 300 yards away

  Change of use from a warehouse (Use Class B1,B2,B8) to an indoor padel tennis, wellness and therapy area and associated facilities, (Use Class E) parking and turning

  Granted Full applications 42 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