diff --git a/app/models.py b/app/models.py
index a5da33951..69bce7fd5 100644
--- a/app/models.py
+++ b/app/models.py
@@ -211,6 +211,7 @@ class Service(db.Model, Versioned):
     _letter_contact_block = db.Column('letter_contact_block', db.Text, index=False, unique=False, nullable=True)
     sms_sender = db.Column(db.String(11), nullable=False, default=lambda: current_app.config['FROM_NUMBER'])
     organisation_id = db.Column(UUID(as_uuid=True), db.ForeignKey('organisation.id'), index=True, nullable=True)
+    free_sms_fragment_limit = db.Column(db.BigInteger, index=False, unique=False, nullable=True)
     organisation = db.relationship('Organisation')
     dvla_organisation_id = db.Column(
         db.String,
@@ -230,10 +231,6 @@ class Service(db.Model, Versioned):
 
     association_proxy('permissions', 'service_permission_types')
 
-    @staticmethod
-    def free_sms_fragment_limit():
-        return current_app.config['FREE_SMS_TIER_FRAGMENT_COUNT']
-
     @classmethod
     def from_json(cls, data):
         """
diff --git a/app/schemas.py b/app/schemas.py
index 8ce2e5ed5..e84eca3ce 100644
--- a/app/schemas.py
+++ b/app/schemas.py
@@ -175,20 +175,17 @@ class ProviderDetailsHistorySchema(BaseSchema):
 
 class ServiceSchema(BaseSchema):
 
-    free_sms_fragment_limit = fields.Method(method_name='get_free_sms_fragment_limit')
     created_by = field_for(models.Service, 'created_by', required=True)
     organisation = field_for(models.Service, 'organisation')
     branding = field_for(models.Service, 'branding')
     dvla_organisation = field_for(models.Service, 'dvla_organisation')
+    free_sms_fragment_limit = field_for(models.Service, 'free_sms_fragment_limit')
     permissions = fields.Method("service_permissions")
     override_flag = False
     reply_to_email_address = fields.Method(method_name="get_reply_to_email_address")
     sms_sender = fields.Method(method_name="get_sms_sender")
     letter_contact_block = fields.Method(method_name="get_letter_contact")
 
-    def get_free_sms_fragment_limit(selfs, service):
-        return service.free_sms_fragment_limit()
-
     def service_permissions(self, service):
         return [p.permission for p in service.permissions]
 
@@ -203,7 +200,7 @@ class ServiceSchema(BaseSchema):
 
     class Meta:
         model = models.Service
-        dump_only = ['free_sms_fragment_limit', 'reply_to_email_address', 'letter_contact_block']
+        dump_only = ['reply_to_email_address', 'letter_contact_block']
         exclude = (
             'updated_at',
             'created_at',
@@ -252,11 +249,6 @@ class ServiceSchema(BaseSchema):
 class DetailedServiceSchema(BaseSchema):
     statistics = fields.Dict()
 
-    free_sms_fragment_limit = fields.Method(method_name='get_free_sms_fragment_limit')
-
-    def get_free_sms_fragment_limit(selfs, service):
-        return service.free_sms_fragment_limit()
-
     class Meta:
         model = models.Service
         exclude = (
diff --git a/migrations/versions/0124_add_free_sms_fragment_limit.py b/migrations/versions/0124_add_free_sms_fragment_limit.py
new file mode 100644
index 000000000..83647fcfe
--- /dev/null
+++ b/migrations/versions/0124_add_free_sms_fragment_limit.py
@@ -0,0 +1,23 @@
+"""
+
+Revision ID: 0124_add_free_sms_fragment_limit
+Revises: 0123_add_noti_to_email_reply
+Create Date: 2017-10-10 11:30:16.225980
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = '0124_add_free_sms_fragment_limit'
+down_revision = '0123_add_noti_to_email_reply'
+
+
+def upgrade():
+    op.add_column('services_history', sa.Column('free_sms_fragment_limit', sa.BigInteger(), nullable=True))
+    op.add_column('services', sa.Column('free_sms_fragment_limit', sa.BigInteger(), nullable=True))
+
+
+def downgrade():
+    op.drop_column('services_history', 'free_sms_fragment_limit')
+    op.drop_column('services', 'free_sms_fragment_limit')
diff --git a/tests/app/conftest.py b/tests/app/conftest.py
index a9dfa0a1b..d904c8ecf 100644
--- a/tests/app/conftest.py
+++ b/tests/app/conftest.py
@@ -139,6 +139,7 @@ def sample_service(
     email_from=None,
     permissions=[SMS_TYPE, EMAIL_TYPE],
     research_mode=None,
+    free_sms_fragment_limit=250000
 ):
     if user is None:
         user = create_user()
@@ -150,7 +151,8 @@ def sample_service(
         'message_limit': limit,
         'restricted': restricted,
         'email_from': email_from,
-        'created_by': user
+        'created_by': user,
+        'free_sms_fragment_limit': free_sms_fragment_limit
     }
     service = Service.query.filter_by(name=service_name).first()
     if not service: