Planning application
Flat 4 91 Colwyn Road Northampton NN1 3PU
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Seeks a Certificate of Lawfulness to regularise existing use of Flat 4, 91 Colwyn Road, Northampton, as a self-contained residential flat (Use Class C3).
As published by the council, reference 2026/2717/LDE
Application record
- Reference
- 2026/2717/LDE
- Type
- Lawful Development Certificate (Existing)
- Status
- 10 - Approved
- Decision
- Granted As published: Approval
- Received
- 23 Jun 2026
- Validated
- 23 Jun 2026
- Decided
- 17 Aug 2026
- Ward
- Castle Ward
- Parish
- Northampton Town Council
- Decision by
- Delegated
- Postcode
- NN1 3PU
Site history
Applications at this address on the West Northamptonshire register
This site has had 3 applications since 2024: 1 approved, 1 refused.
-
2026/3859/FULL Awaiting decision
Flat 4 91 Colwyn Road Northampton NN1 3PU
Construction of a single storey rear extension to the existing ground floor flat
-
2024/5585/PNHPD Refused
Flat 4 91 Colwyn Road Northampton NN1 3PU
Ground floor single storey rear extension to flat 4. measured 4.3m deep x 3.3m wide x 3.0 max height
Timeline
Dates from the published record
-
23 Jun 2026
Received by West Northamptonshire
-
27 Jul 2026
Added to PlanIndex
-
10 Aug 2026
Status changed to 4 - Consultations Despatched (1-10)
Previously 3 - Case Officer Allocated (1-10).
-
17 Aug 2026
Decision issued: Approval
Documents
Plans, drawings, consultee responses and the officer's report
11 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
West Northamptonshire granted permission on 17 August 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.
About lawful development applications
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.
Nearby applications
Within 0.3 miles
-
89 Colwyn Road Northampton NN1 3PU
Lawful development certificate (existing) for use of property as a HMO
Granted Lawful development 9 docs -
Merton Guest House 109 Colwyn Road Northampton NN1 3PU
Variation of condition 2 (number of occupiers) of 2024/3569/FULL (Change of use from a 6 person HMO (Use Class C4) to an 8 person HMO (Use Class SG)) to increase the number of occupiers by 2
Withdrawn Amendments 13 docs -
Merton Guest House 109 Colwyn Road Northampton NN1 3PU
House of multiple occupation - Increase in the number of occupants from 8 to 10
Granted Full applications 11 docs -
107 Colwyn Road Northampton NN1 3PU
Erection of two storey rear extension
Granted Full applications Extension 21 docs -
Warkworth House 105 Colwyn Road Northampton NN1 3PU
Lawful Development Certificate (Existing) Continued use as 5 self-contained units
Granted Lawful development 9 docs -
115 Colwyn Road Northampton NN1 3PU
Part retrospective application for two additional basement flats, extra windows to one basement flat and alterations to building lightwell. New external glazed access door to one new basement flat. Alterations to highway cross over. Bin and Bike store to the rear.
Granted Full applications New dwelling Windows or glazing 23 docs
Other lawful development applications
In West Northamptonshire
-
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.
-
2026/3278/LDP Granted
26 Perry Street Northampton NN1 4HW
Erection of a single storey rear extension.
-
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.
-
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
-
2026/3038/LDE Granted
3 Huntsham Close Northampton NN3 3AX
Certificate of Lawfulness for Existing Use - C4 House in Multiple Occupation (HMO).