diff --git a/src/services/lease-service/priority-list-service.ts b/src/services/lease-service/priority-list-service.ts
index c2930934..e0e79e2e 100644
--- a/src/services/lease-service/priority-list-service.ts
+++ b/src/services/lease-service/priority-list-service.ts
@@ -19,12 +19,15 @@ const addPriorityToApplicantsBasedOnRentalRules = (
   applicants: DetailedApplicant[]
 ) => {
   const applicantsWithAssignedPriority: DetailedApplicant[] = []
+  logger.info(
+    `Adding priority to applicants based on rental rules for listing ${listing.id}`
+  )
   for (const applicant of applicants) {
     applicantsWithAssignedPriority.push(
       assignPriorityToApplicantBasedOnRentalRules(listing, applicant)
     )
   }
-
+  logger.info(`Priority assigned to applicants for ${listing.id}`)
   return applicantsWithAssignedPriority
 }
 
@@ -65,22 +68,31 @@ const assignPriorityToApplicantBasedOnRentalRules = (
     )
   ) {
     //special residential area rental rules apply to this listing
-    //applicant is not allowed to rent this object, return priority:undefined
+    //applicant is not allowed to rent this object, return priority:null
+    logger.info(
+      applicant.name +
+        ': priority null - special residential area rental rules apply to this listing. applicant is not allowed to rent this object'
+    )
     return {
       ...applicant,
       priority: null,
     }
   }
 
-  //priority  1
-
-  //Applicant has no active parking space contract and is tenant in same area as listing
   if (!applicant.parkingSpaceContracts?.length) {
+    //priority  1
+
+    //Applicant has no active parking space contract and is tenant in same area as listing
     if (applicant.currentHousingContract) {
       if (
         applicant.currentHousingContract?.residentialArea?.code ===
         listing.districtCode
       ) {
+        logger.info(
+          applicant.name +
+            ': priority 1 - Applicant has no active parking space contract and is tenant in same area as listing'
+        )
+
         return {
           ...applicant,
           priority: 1,
@@ -94,6 +106,10 @@ const assignPriorityToApplicantBasedOnRentalRules = (
         applicant.upcomingHousingContract?.residentialArea?.code ===
         listing.districtCode
       ) {
+        logger.info(
+          applicant.name +
+            ': priority 1 - Applicant has no active parking space contract and has upcoming housing contract in same area as listing'
+        )
         return {
           ...applicant,
           priority: 1,
@@ -107,6 +123,10 @@ const assignPriorityToApplicantBasedOnRentalRules = (
     applicant.parkingSpaceContracts?.length === 1 &&
     applicant.applicationType === 'Replace'
   ) {
+    logger.info(
+      applicant.name +
+        ': priority 1  - Applicant has 1 active contract for parking space and wishes to replace current parking space'
+    )
     return {
       ...applicant,
       priority: 1,
@@ -120,6 +140,10 @@ const assignPriorityToApplicantBasedOnRentalRules = (
     applicant.parkingSpaceContracts?.length === 1 &&
     applicant.applicationType === 'Additional'
   ) {
+    logger.info(
+      applicant.name +
+        ': priority 2 - Applicant has 1 active parking space contract and wishes to rent an additional parking space'
+    )
     return {
       ...applicant,
       priority: 2,
@@ -132,6 +156,10 @@ const assignPriorityToApplicantBasedOnRentalRules = (
     applicant.parkingSpaceContracts.length > 1 &&
     applicant.applicationType === 'Replace'
   ) {
+    logger.info(
+      applicant.name +
+        ': priority 2 - Applicant has more than 1 active parking space contract and wishes to replace 1 parking space contract'
+    )
     return {
       ...applicant,
       priority: 2,
@@ -145,6 +173,10 @@ const assignPriorityToApplicantBasedOnRentalRules = (
     applicant.parkingSpaceContracts &&
     applicant.parkingSpaceContracts.length >= 2
   ) {
+    logger.info(
+      applicant.name +
+        ': priority 3 - Applicant has 2 or more active parking space and wishes to rent an additional parking space'
+    )
     return {
       ...applicant,
       priority: 3,
@@ -152,6 +184,10 @@ const assignPriorityToApplicantBasedOnRentalRules = (
   }
 
   //Applicant is not in any of the 3 priority groups and is not eligible to rent the parking space. Ie because they don't have a housing contract
+  logger.info(
+    applicant.name +
+      ": priority null - Applicant is not in any of the 3 priority groups and is not eligible to rent the parking space. Ie because they don't have a housing contract"
+  )
   return {
     ...applicant,
     priority: null,
diff --git a/src/services/lease-service/tests/priority-list-service.test.ts b/src/services/lease-service/tests/priority-list-service.test.ts
index 3f829112..41594370 100644
--- a/src/services/lease-service/tests/priority-list-service.test.ts
+++ b/src/services/lease-service/tests/priority-list-service.test.ts
@@ -711,4 +711,51 @@ describe('sortApplicantsBasedOnRentalRules', () => {
       applicant2.contactCode
     )
   })
+
+  it('should assign priority null if applicant has no upcoming housing contracts or active parking space contracts', () => {
+    const listing = factory.listing.build({
+      rentalObjectCode: '307-706-00-0015',
+      districtCaption: 'Vallby',
+      districtCode: 'VAL',
+      objectTypeCaption: 'Parkeringsplats med el',
+      objectTypeCode: 'PPLMEL',
+      rentalObjectTypeCaption: 'Standard hyresobjektstyp',
+      publishedFrom: new Date('2024-10-21T07:55:51.000Z'),
+      publishedTo: new Date('2024-10-19T22:59:59.000Z'),
+      vacantFrom: new Date('2022-04-30T22:00:00.000Z'),
+      status: 4,
+      waitingListType: 'Bilplats (intern)',
+    })
+
+    const detailedApplicant3 = factory.detailedApplicant
+      .params({
+        applicationDate: new Date('2024-11-07T14:44:40.610Z'),
+        applicationType: 'Additional',
+        status: 1,
+        listingId: listing.id,
+        currentHousingContract: {
+          leaseId: '705-008-04-0101/04',
+          leaseNumber: '04',
+          rentalPropertyId: '705-008-04-0101',
+          type: 'Bostadskontrakt               ',
+          leaseStartDate: new Date('2013-03-01T00:00:00.000Z'),
+          status: 0,
+          noticeTimeTenant: '3',
+          contractDate: new Date('2013-01-23T00:00:00.000Z'),
+          approvalDate: new Date('2013-01-23T00:00:00.000Z'),
+          residentialArea: {
+            code: 'MAL',
+            caption: 'Malmaberg',
+          },
+        },
+        parkingSpaceContracts: [],
+      })
+      .build()
+
+    const result3 = assignPriorityToApplicantBasedOnRentalRules(
+      listing,
+      detailedApplicant3
+    )
+    expect(result3.priority).toBe(null)
+  })
 })