119 Upper Thrift Street Northampton NN1 5HR

1. 11 Aug 2025

   Received by West Northamptonshire

2. 1 Oct 2025

   Decision issued: Approval

3. 10 Aug 2026

   Added to PlanIndex

West Northamptonshire granted permission on 1 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.

• 64 Billing Road Northampton NN1 5DE

  2024/3949/FULL Submitted 8 Aug 2024 100 yards away

  Proposed double garage to replace existing

  Granted Full applications 21 docs

• 76 Lower Thrift Street Northampton NN1 5HP

  2026/0996/PNHPD Submitted 5 Mar 2026 150 yards away

  Determination as to whether prior approval is required (under Schedule 2, Part 1, Class A of the above Order) for proposed ground floor extension (replacing conservatory),extension extending 1m beyond the rear wall of the original dwelling house, maximum height of 2.80m and height at the eaves 2.8m

  Granted Prior approval Extension 8 docs
  Small domestic

• 69 & 71 Lower Thrift Street Northampton NN1 5HP

  2026/1318/FULL Submitted 13 Mar 2026 150 yards away

  89% historically approved · decision due ~26 May

  Two storey / single storey rear extensions together with dormer roof additions to rear and internal alterations. New detached garage building to rear

  Awaiting decision Full applications Extension Loft or dormer 8 docs
  Small domestic

• 76 Lower Thrift Street Northampton NN1 5HP

  2025/5305/LDE Submitted 15 Dec 2025 150 yards away

  Lawful Development Certificate for existing development comprising of an extension and a conservatory.

  Granted Lawful development Extension 15 docs

• 70 Lower Thrift Street Northampton NN1 5HP

  2026/0164/FULL Submitted 24 Dec 2025 150 yards away

  Change of use of the vacant social club (sui generis) to a newsagent (Class E) at ground floor level, together with the change of use of the existing first floor to form two self-contained one-bedroom residential flats

  Granted Full applications New dwelling 22 docs

• 57 Billing Road Northampton NN1 5DB

  2024/3467/FULL Submitted 11 Jul 2024 200 yards away

  NEW REAR DOOR TO 57 BILLING ROAD, RE-BUILDING OF DEMOLISHED BRICK BOUNDARY WALL WITH VISION SPLAY, ERECTION OF NEW 2METRE HIGH BOUNDARY FENCE BETWEEN 56 AND 57

  Granted Full applications Demolition 22 docs
  Small 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