diff --git a/estate/__init__.py b/estate/__init__.py
new file mode 100644
index 00000000000..0650744f6bc
--- /dev/null
+++ b/estate/__init__.py
@@ -0,0 +1 @@
+from . import models
diff --git a/estate/__manifest__.py b/estate/__manifest__.py
new file mode 100644
index 00000000000..c8ebdfa3ca8
--- /dev/null
+++ b/estate/__manifest__.py
@@ -0,0 +1,19 @@
+{
+    'name': 'estate',
+    'depends': [
+        'base',
+    ],
+    'application': 'True',
+    'author': 'Odoo S.A.',
+    'license': 'LGPL-3',
+    'data': [
+        'security/ir.model.access.csv',
+
+        'views/estate_property_offer_views.xml',
+        'views/estate_property_tag_views.xml',
+        'views/estate_property_type_views.xml',
+        'views/estate_property_views.xml',
+        'views/inherited_user_views.xml',
+        'views/estate_menus.xml',
+    ],
+}
diff --git a/estate/models/__init__.py b/estate/models/__init__.py
new file mode 100644
index 00000000000..b8a9f7e0dfd
--- /dev/null
+++ b/estate/models/__init__.py
@@ -0,0 +1,5 @@
+from . import estate_property
+from . import estate_property_type
+from . import estate_property_tag
+from . import estate_property_offer
+from . import inherited_user
diff --git a/estate/models/estate_property.py b/estate/models/estate_property.py
new file mode 100644
index 00000000000..8a3653b1885
--- /dev/null
+++ b/estate/models/estate_property.py
@@ -0,0 +1,103 @@
+from odoo import api, models, fields
+from odoo.exceptions import UserError
+import datetime
+from dateutil.relativedelta import relativedelta
+from odoo.tools.float_utils import float_compare
+
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "test description"
+    _order = "id desc"
+
+    name = fields.Char('Name', required=True)
+    description = fields.Text('Description')
+    postcode = fields.Char('Postcode')
+    date_availability = fields.Date('Date availability', copy=False, default=datetime.date.today() + relativedelta(months=+3))
+    expected_price = fields.Float('Expected price', required=True)
+    selling_price = fields.Float('Selling price', readonly=True, copy=False)
+    bedrooms = fields.Integer('Bedrooms', default=2)
+    living_area = fields.Integer('Living area (sqm)')
+    facades = fields.Integer('Facades')
+    garage = fields.Boolean('Garage')
+    garden = fields.Boolean('Garden')
+    garden_area = fields.Integer('Garden area (sqm)')
+    garden_orientation = fields.Selection(
+        string='Orientation',
+        selection=[('north', 'North'), ('east', 'East'), ('south', 'South'), ('west', 'West')],
+    )
+    active = fields.Boolean('Active', default=True)
+    state = fields.Selection(
+        string='state',
+        selection=[('new', 'New'), ('offerreceived', 'Offer Received'), ('offeraccepted', 'Offer Accepted'), ('sold', 'Sold'), ('cancelled', 'Cancelled')],
+        default='new',
+    )
+    total_area = fields.Integer('Total area (sqm)', compute='_compute_total_area')
+    best_offer = fields.Float('Best price', compute='_compute_best_offer')
+    property_type_id = fields.Many2one('estate.property.type', string="Property Type")
+    salesperson_id = fields.Many2one('res.users', string='Salesman', default=lambda self: self.env.user)
+    buyer_id = fields.Many2one('res.partner', string='Buyer', copy=False)
+    tag_ids = fields.Many2many('estate.property.tag', string="Property Tags")
+    offer_ids = fields.One2many('estate.property.offer', 'property_id', string="Offers")
+
+    @api.depends('living_area', 'garden_area')
+    def _compute_total_area(self):
+        for record in self:
+            record.total_area = record.living_area + record.garden_area
+
+    @api.depends('offer_ids.price')
+    def _compute_best_offer(self):
+        for record in self:
+            record.best_offer = max(record.offer_ids.mapped('price')) if record.offer_ids else 0
+
+    @api.onchange('garden')
+    def _onchange_garden(self):
+        if self.garden:
+            self.garden_area = 10
+            self.garden_orientation = 'north'
+        else:
+            self.garden_area = 0
+            self.garden_orientation = None
+
+    def action_set_cancelled(self):
+        for record in self:
+            if record.state == 'sold':
+                raise UserError('A sold property cannot be cancelled')
+            else:
+                record.state = 'cancelled'
+        return True
+
+    def action_set_sold(self):
+        for record in self:
+            if record.state == 'cancelled':
+                raise UserError('A cancelled property cannot be sold')
+            elif record.state != 'offeraccepted':
+                raise UserError('There is no accepted offer on this property')
+            else:
+                record.state = 'sold'
+        return True
+
+    _check_expected_price = models.Constraint(
+        'CHECK(expected_price > 0)',
+        'The expected price must be striclty positive',
+    )
+
+    _check_selling_price = models.Constraint(
+        'CHECK(selling_price >= 0)',
+        'The selling price must be positive',
+    )
+
+    @api.constrains('selling_price')
+    def check_selling_price(self):
+        for record in self:
+            expected_minimum = record.expected_price * 0.9
+            if float_compare(record.selling_price, expected_minimum, precision_digits=2) < 0:
+                raise UserError(r'The selling price should be at least 90% of the expexted price')
+            else:
+                record.state = "offeraccepted"
+
+    @api.ondelete(at_uninstall=False)
+    def unlink_property(self):
+        for record in self:
+            if record.state != 'new' and record.state != 'canceled':
+                raise UserError("Only new and canceled properties can be deleted")
diff --git a/estate/models/estate_property_offer.py b/estate/models/estate_property_offer.py
new file mode 100644
index 00000000000..40bf90d072d
--- /dev/null
+++ b/estate/models/estate_property_offer.py
@@ -0,0 +1,67 @@
+from odoo import api, models, fields
+from odoo.exceptions import UserError
+
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "test description"
+    _order = "price desc"
+
+    price = fields.Float('Price')
+    status = fields.Selection(
+        string='Status',
+        selection=[('accepted', 'Accepted'), ('refused', 'Refused')],
+        copy=False,
+    )
+    partner_id = fields.Many2one('res.partner', string='Partner', required=True)
+    property_id = fields.Many2one('estate.property', string='Property', required=True)
+    validity = fields.Integer('Validity', default=7)
+    date_deadline = fields.Date('Deadline', compute='_compute_deadline', inverse='inverse_deadline')
+    property_type_id = fields.Many2one(related='property_id.property_type_id', store=True)
+
+    @api.depends('validity')
+    def _compute_deadline(self):
+        for records in self:
+            records.date_deadline = fields.Datetime.add(fields.Date.today(), days=records.validity)
+
+    def inverse_deadline(self):
+        for records in self:
+            records.validity = (records.date_deadline - fields.Date.today()).days
+
+    def action_accept(self):
+        for record in self:
+            record.status = 'accepted'
+            if not record.property_id.buyer_id:
+                record.property_id.buyer_id = record.partner_id
+                record.property_id.selling_price = record.price
+            else:
+                raise UserError('An offer has already been accepted')
+        return True
+
+    def action_decline(self):
+        for record in self:
+            if record.status == 'accepted':
+                raise UserError('This offer has already been accepted')
+            else:
+                record.status = 'refused'
+        return True
+
+    _check_offer_price = models.Constraint(
+        'CHECK(price > 0)',
+        'The offer price must be strictly positive'
+    )
+
+    @api.model
+    def create(self, vals):
+        for val in vals:
+            property_id = self.env['estate.property'].browse(val['property_id'])
+            if property_id.state == "sold":
+                raise UserError("You can't create an offer for a sold property")
+
+            for offer in property_id.offer_ids:
+                if offer.price > val['price']:
+                    raise UserError("You can't create a lower offer than the highest one")
+        offers = super().create(vals)
+        offers.property_id.state = 'offerreceived'
+
+        return offers
diff --git a/estate/models/estate_property_tag.py b/estate/models/estate_property_tag.py
new file mode 100644
index 00000000000..4d9204d89c7
--- /dev/null
+++ b/estate/models/estate_property_tag.py
@@ -0,0 +1,15 @@
+from odoo import fields, models
+
+
+class EstatePropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "test description"
+    _order = "name"
+
+    name = fields.Char('Name', required=True)
+    color = fields.Integer('Color')
+
+    _check_name = models.Constraint(
+        'UNIQUE (name)',
+        'The name must be unique',
+    )
diff --git a/estate/models/estate_property_type.py b/estate/models/estate_property_type.py
new file mode 100644
index 00000000000..7a2ae4b90a1
--- /dev/null
+++ b/estate/models/estate_property_type.py
@@ -0,0 +1,23 @@
+from odoo import api, fields, models
+
+
+class EstatePropertyType(models.Model):
+    _name = "estate.property.type"
+    _description = "test description"
+    _order = "sequence, name"
+
+    name = fields.Char('Name', required=True)
+    sequence = fields.Integer('Sequence', default=1, help="Used to order stages.")
+    property_ids = fields.One2many('estate.property', 'property_type_id', string="Properties")
+    offer_ids = fields.One2many('estate.property.offer', 'property_type_id', string="Offers")
+    offer_count = fields.Integer('Number of offers', compute='_compute_offers')
+
+    @api.depends('offer_ids')
+    def _compute_offers(self):
+        for record in self:
+            record.offer_count = len(record.offer_ids)
+
+    _check_name = models.Constraint(
+        'UNIQUE (name)',
+        'The name must be unique',
+    )
diff --git a/estate/models/inherited_user.py b/estate/models/inherited_user.py
new file mode 100644
index 00000000000..b2afd66d504
--- /dev/null
+++ b/estate/models/inherited_user.py
@@ -0,0 +1,7 @@
+from odoo import fields, models
+
+
+class InheritedUser(models.Model):
+    _inherit = "res.users"
+
+    property_ids = fields.One2many('estate.property', 'salesperson_id', string="Related Properties", domain=[('state', 'in', ['new', 'offerreceived'])])
diff --git a/estate/security/ir.model.access.csv b/estate/security/ir.model.access.csv
new file mode 100644
index 00000000000..4c593ed42e4
--- /dev/null
+++ b/estate/security/ir.model.access.csv
@@ -0,0 +1,5 @@
+id,name,model_id/id,group_id/id,perm_read,perm_write,perm_create,perm_unlink
+access_estate_property,access_estate_property,model_estate_property,base.group_user,1,1,1,1
+access_estate_property_type,access_estate_property_type,model_estate_property_type,base.group_user,1,1,1,1
+access_estate_property_tag,access_estate_property_tag,model_estate_property_tag,base.group_user,1,1,1,1
+access_estate_property_offer,access_estate_property_offer,model_estate_property_offer,base.group_user,1,1,1,1
\ No newline at end of file
diff --git a/estate/tests/__init__.py b/estate/tests/__init__.py
new file mode 100644
index 00000000000..576617cccff
--- /dev/null
+++ b/estate/tests/__init__.py
@@ -0,0 +1 @@
+from . import test_estate_property
diff --git a/estate/tests/test_estate_property.py b/estate/tests/test_estate_property.py
new file mode 100644
index 00000000000..1279e2b5020
--- /dev/null
+++ b/estate/tests/test_estate_property.py
@@ -0,0 +1,39 @@
+from odoo.tests.common import TransactionCase
+from odoo.exceptions import UserError
+from odoo.tests import Form, tagged
+
+
+@tagged('post_install', '-at_install')
+class EstateTestCase(TransactionCase):
+
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+
+        cls.properties = cls.env['estate.property'].create({'name': 'testAdd', 'expected_price': '190000'})
+        cls.partner = cls.env['res.partner'].create({'name': 'eric'})
+
+    def test_creation_estate(self):
+        self.env['estate.property.offer'].create({'price': 180000, 'partner_id': self.partner.id, 'property_id': self.properties.id, 'status': 'accepted'})
+        self.properties.state = 'sold'
+
+        with self.assertRaises(UserError):
+            self.env['estate.property.offer'].create({'price': 180000, 'partner_id': self.partner.id, 'property_id': self.properties.id})
+
+    def test_sell_property(self):
+        self.properties.state = 'new'
+
+        with self.assertRaises(UserError):
+            self.properties.action_set_sold()
+
+    def test_garden_onchange(self):
+        property_form = Form(self.env['estate.property'])
+        property_form.garden = True
+        property_form.garden_area = 20
+        property_form.garden_orientation = 'east'
+
+        property_form.garden = False
+        property_form.garden = True
+
+        self.assertEqual(property_form.garden_area, 10)
+        self.assertEqual(property_form.garden_orientation, 'north')
diff --git a/estate/views/estate_menus.xml b/estate/views/estate_menus.xml
new file mode 100644
index 00000000000..c4f8af9c34c
--- /dev/null
+++ b/estate/views/estate_menus.xml
@@ -0,0 +1,12 @@
+
+
+    
+
\ No newline at end of file
diff --git a/estate/views/estate_property_offer_views.xml b/estate/views/estate_property_offer_views.xml
new file mode 100644
index 00000000000..61031db6607
--- /dev/null
+++ b/estate/views/estate_property_offer_views.xml
@@ -0,0 +1,24 @@
+
+
+    
+        Offers
+        estate.property.offer
+        list,form
+        [('property_type_id', '=', active_id)]
+    
+
+    
+        property type offer
+        estate.property.offer
+        
+            
+                
+                
+                
+                
+                
+                
+            
+        
+    
+  
\ No newline at end of file
diff --git a/estate/views/estate_property_tag_views.xml b/estate/views/estate_property_tag_views.xml
new file mode 100644
index 00000000000..06e63b8bbd4
--- /dev/null
+++ b/estate/views/estate_property_tag_views.xml
@@ -0,0 +1,18 @@
+
+
+    
+        Tags
+        estate.property.tag
+        list,form
+    
+
+    
+        tags.list
+        estate.property.tag
+        
+
+                
+            
+        
+    
+  
\ No newline at end of file
diff --git a/estate/views/estate_property_type_views.xml b/estate/views/estate_property_type_views.xml
new file mode 100644
index 00000000000..e0320fc173d
--- /dev/null
+++ b/estate/views/estate_property_type_views.xml
@@ -0,0 +1,56 @@
+
+
+    
+        property types
+        estate.property.type
+        list,form
+    
+
+    
+        estate.property.type.form
+        estate.property.type
+        
+            
+        
+    
+
+    
+        estate.property.list
+        estate.property.type
+        
+
+                
+                
+            
+        
+    
+ 
\ No newline at end of file
diff --git a/estate/views/estate_property_views.xml b/estate/views/estate_property_views.xml
new file mode 100644
index 00000000000..e8e6b274c1f
--- /dev/null
+++ b/estate/views/estate_property_views.xml
@@ -0,0 +1,138 @@
+
+
+    
+        property action
+        estate.property
+        list,form,kanban
+        {'search_default_inactive': True}
+        
+Hello
+        
+    
+    
+    
+        estate.property.list
+        estate.property
+        
+            
+                
+                
+                
+                
+                
+                
+                
+                
+            
+        
+    
+
+    
+        estate.property.form
+        estate.property
+        
+            
+        
+    
+
+    
+        estate.property.view.search
+        estate.property
+        
+            
+                
+                
+                
+                
+                
+                
+                
+                
+            
+        
+    
+    
+    
+        estate.property.view.kanban
+        estate.property
+        
+            
+                
+                    
+                    
+
+                            
    
+                                
+                                    
+                                
+                                Expected Price: 
+                                
+                                    Best Offer: 
+                                
+                                
+                                    Selling Price: 
+                                
+                                
+                            
+