diff --git a/app/models.py b/app/models.py
index 95d69bfac..ab587a745 100644
--- a/app/models.py
+++ b/app/models.py
@@ -11,7 +11,7 @@ from sqlalchemy.dialects.postgresql import (
     UUID,
     JSON
 )
-from sqlalchemy import UniqueConstraint, CheckConstraint
+from sqlalchemy import UniqueConstraint, CheckConstraint, Index
 from notifications_utils.columns import Columns
 from notifications_utils.recipients import (
     validate_email_address,
@@ -1725,3 +1725,44 @@ class DailySortedLetter(db.Model):
     unsorted_count = db.Column(db.Integer, nullable=False, default=0)
     sorted_count = db.Column(db.Integer, nullable=False, default=0)
     updated_at = db.Column(db.DateTime, nullable=True, onupdate=datetime.datetime.utcnow)
+
+
+class FactBilling(db.Model):
+    __tablename__ = "ft_billing"
+
+    bst_date = db.Column(db.Date, nullable=False, primary_key=True, index=True)
+    template_id = db.Column(UUID(as_uuid=True), nullable=True, primary_key=True, index=True)
+    service_id = db.Column(UUID(as_uuid=True), nullable=True, index=True)
+    organisation_id = db.Column(UUID(as_uuid=True), nullable=True)
+    annual_billing_id = db.Column(UUID(as_uuid=True), nullable=True)
+    notification_type = db.Column(db.Text, nullable=True)
+    provider = db.Column(db.Text, nullable=True)
+    crown = db.Column(db.Text, nullable=True)
+    rate_multiplier = db.Column(db.Numeric(), nullable=True)
+    international = db.Column(db.Boolean, nullable=True)
+    rate = db.Column(db.Numeric(), nullable=True)
+    billable_units = db.Column(db.Numeric(), nullable=True)
+    notifications_sent = db.Column(db.Integer(), nullable=True)
+
+
+class DateTimeDimension(db.Model):
+    __tablename__ = "dm_datetime"
+    bst_date = db.Column(db.Date, nullable=False, primary_key=True, index=True)
+    year = db.Column(db.Integer(), nullable=False)
+    month = db.Column(db.Integer(), nullable=False)
+    month_name = db.Column(db.Text(), nullable=False)
+    day = db.Column(db.Integer(), nullable=False)
+    bst_day = db.Column(db.Integer(), nullable=False)
+    day_of_year = db.Column(db.Integer(), nullable=False)
+    week_day_name = db.Column(db.Text(), nullable=False)
+    calendar_week = db.Column(db.Integer(), nullable=False)
+    quartal = db.Column(db.Text(), nullable=False)
+    year_quartal = db.Column(db.Text(), nullable=False)
+    year_month = db.Column(db.Text(), nullable=False)
+    year_calendar_week = db.Column(db.Text(), nullable=False)
+    financial_year = db.Column(db.Integer(), nullable=False)
+    utc_daytime_start = db.Column(db.DateTime, nullable=False)
+    utc_daytime_end = db.Column(db.DateTime, nullable=False)
+
+
+Index('ix_dm_datetime_yearmonth', DateTimeDimension.year, DateTimeDimension.month)
diff --git a/migrations/versions/0176_alter_billing_columns.py b/migrations/versions/0176_alter_billing_columns.py
new file mode 100644
index 000000000..8beeb0fa4
--- /dev/null
+++ b/migrations/versions/0176_alter_billing_columns.py
@@ -0,0 +1,24 @@
+"""
+
+Revision ID: 0176_alter_billing_columns
+Revises: 0175_drop_job_statistics_table
+Create Date: 2018-03-12 16:54:30.663897
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+revision = '0176_alter_billing_columns'
+down_revision = '0175_drop_job_statistics_table'
+
+
+def upgrade():
+    op.alter_column('dm_datetime', 'calendar_week', existing_type=sa.INTEGER(), nullable=False)
+    op.alter_column('dm_datetime', 'day', existing_type=sa.INTEGER(), nullable=False)
+    op.alter_column('dm_datetime', 'financial_year', existing_type=sa.INTEGER(), nullable=False)
+
+
+def downgrade():
+    op.alter_column('dm_datetime', 'financial_year', existing_type=sa.INTEGER(), nullable=True)
+    op.alter_column('dm_datetime', 'day', existing_type=sa.INTEGER(), nullable=True)
+    op.alter_column('dm_datetime', 'calendar_week', existing_type=sa.INTEGER(), nullable=True)