Planning application
12 Hillcroft Close Luton LU4 9ES
Works: Extension Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Certificate of Lawfulness of Proposed Development - Erection of single storey side extension
As published by the council, reference 26/00187/LAWP
Application record
- Reference
- 26/00187/LAWP
- Type
- Certificate of lawfulness (Proposed)
- Status
- PER - Application Permitted
- Decision
- Application Permitted
- Received
- 18 Feb 2026
- Validated
- 13 Mar 2026
- Decided
- 5 May 2026
- Ward
- LEAGRAVE
- Decision by
- Delegated Decision
- Postcode
- LU4 9ES
Timeline
Dates from the published record
-
18 Feb 2026
Received by Luton
-
13 Mar 2026
Validated
Checked as complete and ready for consideration.
-
5 May 2026
Decision issued: Application Permitted
-
19 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
7 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 a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
About lawful development applications
How this application type works
A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.
Nearby applications
Within 500 metres
-
19 Locarno Avenue Luton LU4 9EJ
Removing outer wall to install garden patio door and removing internal wall to join living room and dining room together.
Refused Full applications 5 docs -
14 Needham Road Luton Luton LU4 9HD
82% historically approved · decision due ~30 Oct
Erection of single storey detached outbuilding to be used ancillary to the main dwelling as a home office and gym following the demolition of the existing outbuilding.
Awaiting decision DemolitionSmall domestic -
213 Toddington Road Luton LU4 9EB
82% historically approved · decision due ~26 Aug
Certificate of Lawfulness of Proposed Development - Erection of single-storey side extension site - 194 m2 Existing - Sand brick, pebble dash, UPVC windows and doors, roofing tiles Proposed - Sand brick, UPVC windows and doors and roofing tiles to match existing
Awaiting decision Extension Windows or glazingSmall domestic -
8 Hasketon Drive Luton LU4 9EZ
Retrospective planning permission for erection of a rear outbuilding and front canopy roof extension of main house.
Granted Full applications Extension 5 docs -
8 Hasketon Drive Luton LU4 9EZ
Erection of single and two storey side extension, first floor rear extension and part single storey front extension.
Granted Full applications Extension 18 docsSmall domestic -
198 Toddington Road Luton LU4 9DY
Certificate of Lawfulness of Proposed Development - Erection of rear and side dormers with front rooflight to facilitate loft conversion and replacement of all existing roof tiles.
Refused Lawful development Loft or dormer Roofing 9 docs
Other lawful development applications
In Luton
-
26/00380/LAWP Granted
22 Hawthorn Avenue Luton LU2 8AW
Certificate of lawfulness of proposed development - Erection of an outbuilding
-
26/00491/LAWP Refused
58 Walcot Avenue Luton LU2 0PR
Certificate of Lawfulness of Proposed Development - Construction of hard surface to provide double car parking bays.
-
26/00485/LAWP Granted
34 Russell Rise Luton LU1 5EX
Certificate of lawfulness of proposed use - Change of use from a dwellinghouse (Class C3) to a six person house in multiple occupation (HMO) (Class C4)
-
26/00458/LAWP Granted
200 Leagrave Road Luton LU3 1JD
Certificate of Lawfulness of Proposed Development - Erection of rear outbuilding to form a gym and games room.
-
26/00396/LAWP Granted
60 Dawlish Road Luton LU4 9SD
Certificate of Lawfulness of Proposed Development - Conversion of existing garage to shower/utility room.