26 Perry Street Northampton NN1 4HW

1. 27 Jul 2026

   Received by West Northamptonshire

2. 13 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 15 Aug 2026

   Added to PlanIndex

4. 1 Oct 2026

   Decision issued: Approval

5. 4 Oct 2026

   Status changed to 5 - Site Visit Complete (1-10)

   Previously 3 - Case Officer Allocated (1-10).

West Northamptonshire granted permission on 1 October 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.

• 36 Derby Road, Northampton, NN1 4JS

  2024/5311/FULL Submitted 14 Nov 2024 150 yards away

  Proposed single storey rear extension - amendment to 2024/1973/PA

  Granted Full applications Extension 13 docs
  Small domestic

• 59 Bostock Avenue Northampton NN1 4LN

  2025/3672/LDE Submitted 11 Aug 2025 150 yards away

  Lawful development certiticate (existing) for use of property as 6-bedroom, 7-person Sui Generis House in Multiple Occupation (HMO)

  Granted Lawful development 16 docs

• 97 Adams Avenue, Northampton, NN1 4LJ

  2024/4128/FULL Submitted 28 Aug 2024 150 yards away

  Change of use of dwellinghouse (Use Class C3) to House in multiple occupation (Use Class C4) for 5 occupants

  Refused Full applications 24 docs
  Domestic

• 95 Adams Avenue Northampton NN1 4LJ

  2026/0918/LDE Submitted 23 Feb 2026 150 yards away

  Lawful development certificate (existing) for use of the property as a 5 bedroom house in multiple occupation

  Granted Lawful development 7 docs

• 1 Derby Road Northampton NN1 4JP

  2026/0629/FULL Submitted 13 Feb 2026 150 yards away

  Conversion of dwelling [Use Class C3] to House in multiple occupation [Use Class C4] for 6 Occupants including single storey rear & side extension

  Granted Full applications Extension 23 docs
  Small domestic

• 45 Derby Road Northampton NN1 4JP

  2026/1873/FULL Submitted 20 Apr 2026 150 yards away

  Single storey rear extension

  Granted Full applications Extension 7 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
• 2026/3389/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
• 2026/3302/LDE Refused

  37 The Ridings Grange Park NN4 5BN

  Lawful Development Certificate (Existing) to confirm the conversion works undertaken to convert the property from a single dwellinghouse (Use Class C3) to a 6-bedroom House in Multiple Occupation for up to 6 unrelated persons (Use Class C4).

  Received 29 Jul, published by the council 22 Aug 2026 Lawful development