Planning application
12A Hertford Court Northampton NN3 9TD
Works: Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Replacing garage door with wall and window to garage conversion, insulate properly the whole envelope to match Building Control and Part L criteria, floor/wall/roof.
As published by the council, reference 2026/1894/LDP
Application record
- Reference
- 2026/1894/LDP
- Type
- Lawful Development Certificate (Proposed)
- Status
- 10 - Approved
- Decision
- Approval
- Received
- 21 Apr 2026
- Validated
- 21 Apr 2026
- Decided
- 16 Jun 2026
- Ward
- Weston Favell and Abington Vale Ward
- Parish
- Northampton Town Council
- Decision by
- Delegated
- Postcode
- NN3 9TD
Timeline
Dates from the published record
-
21 Apr 2026
Received by West Northamptonshire
-
16 Jun 2026
Decision issued: Approval
-
27 Jul 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
8 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.
Trade members open them from here.
Open the documentsWhat this grant of permission means
West Northamptonshire granted permission on 16 June 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 500 metres
-
8 Hertford Court Northampton NN3 9TD
93% historically approved · decision due ~3 Sep
Single storey side and rear extension. Changing roof over garage and porch from a flat roof to a pitched roof.
Awaiting decision Householder Extension 8 docsSmall domestic -
20 Conyngham Road Northampton NN3 9TA
Proposed single storey rear extension
Granted Full applications Extension 6 docsSmall domestic -
46 Conyngham Road Northampton NN3 9TA
Seeking whether Prior Approval required [under schedule 2, Part 1, Class A] of the above order for a larger single storey rear extension 7.3m (beyond rear wall of the original dwellinghouse) x 3.5m (high) x 2.2m (eaves height) and internal alterations.
Granted Prior approval Extension 14 docsSmall domestic -
6 Jersey Court, Northampton, NN3 9TB
Single Storey Flat Roof Rear Extension with internal and roof alterations
Granted Full applications Extension Roofing 14 docsSmall domestic -
Little Billing Way/A4500 Wellingborough Road Roundabout Northampton NN3 9JQ
4 No. non-illuminated signs
Granted Advertising 10 docs -
Former Pearce Leather Works Wellingborough Road Northampton NN3 9BG
88% historically approved · decision due ~4 Dec
Alterations and extension to existing building and conversion to 32no. flats, with provision of bin store areas and car parking.
Awaiting decision Full applications New dwelling Extension 41 docsMajor scheme
Other lawful development applications
In West Northamptonshire
-
2026/2806/LDP Granted
37 Peregrine Place Northampton NN4 0SL
Certificate for lawfulness for proposed development comprising of single storey side extension
-
2026/2636/LDE Granted
11A Sheaf Street Daventry NN11 4AA
Lawful development certificate (existing) for the change of use of garage with bedroom and bathroom above to two self-contained residential dwellings (Use Class C3).
-
2026/3435/LDP Granted
8 Pasteur Close Northampton NN2 8ND
Lawful development certificate (proposed) for the construction of brick single storey shed to side of dwelling
-
2026/3299/LDP Granted
8 Countryside, Braunston, NN11 7JU
Removal of existing rear conservatory and construction of a replacement single-storey timber-framed conservatory
-
2026/3271/LDP Granted
37 Albany Road Northampton NN1 5LZ
Certificate of Lawfulness for proposed development comprising of single storey extension to rear