diff --git a/app/controllers/new_user/dossiers_controller.rb b/app/controllers/new_user/dossiers_controller.rb
index 56bf50f4a..d2daad675 100644
--- a/app/controllers/new_user/dossiers_controller.rb
+++ b/app/controllers/new_user/dossiers_controller.rb
@@ -99,10 +99,12 @@ module NewUser
     end
 
     def ask_deletion
-      @dossier = current_user.dossiers.find(params[:id])
-      DossierMailer.ask_deletion(@dossier).deliver_later
-      flash.notice = 'Une demande de suppression de votre dossier a été envoyée, elle sera traitée dans les plus brefs délais.'
-      redirect_to users_dossier_recapitulatif_path(@dossier)
+      dossier = current_user.dossiers.includes(:user, procedure: :administrateur).find(params[:id])
+      deleted_dossier = dossier.delete_and_keep_track
+      DossierMailer.notify_deletion_to_user(deleted_dossier, dossier.user.email).deliver_later
+      DossierMailer.notify_deletion_to_administration(deleted_dossier, dossier.procedure.administrateur.email).deliver_later
+      flash.notice = 'Votre dossier a bien été supprimé.'
+      redirect_to users_dossiers_path
     end
 
     private
diff --git a/app/helpers/dossier_helper.rb b/app/helpers/dossier_helper.rb
index 8e2bc2b35..7cddd4bac 100644
--- a/app/helpers/dossier_helper.rb
+++ b/app/helpers/dossier_helper.rb
@@ -14,4 +14,12 @@ module DossierHelper
       "highlighted"
     end
   end
+
+  def delete_dossier_confirm(dossier)
+    message = "Vous vous apprêtez à supprimer votre dossier ainsi que les informations qu’il contient. "
+    if dossier.en_construction_ou_instruction?
+      message += "Nous vous rappelons que toute suppression entraine l’annulation de la démarche en cours. "
+    end
+    message += "Confirmer la suppression ?"
+  end
 end
diff --git a/app/mailers/dossier_mailer.rb b/app/mailers/dossier_mailer.rb
index 68ef28d7c..1d8643314 100644
--- a/app/mailers/dossier_mailer.rb
+++ b/app/mailers/dossier_mailer.rb
@@ -1,8 +1,13 @@
 class DossierMailer < ApplicationMailer
   layout 'mailers/layout'
 
-  def ask_deletion(dossier)
-    @dossier = dossier
-    mail(to: "contact@demarches-simplifiees.fr", subject: "Demande de suppression de dossier")
+  def notify_deletion_to_user(deleted_dossier, to_email)
+    @deleted_dossier = deleted_dossier
+    mail(to: to_email, subject: "Votre dossier n° #{@deleted_dossier.dossier_id} a bien été supprimé")
+  end
+
+  def notify_deletion_to_administration(deleted_dossier, to_email)
+    @deleted_dossier = deleted_dossier
+    mail(to: to_email, subject: "Le dossier n° #{@deleted_dossier.dossier_id} a été supprimé à la demande de l'usager")
   end
 end
diff --git a/app/models/deleted_dossier.rb b/app/models/deleted_dossier.rb
new file mode 100644
index 000000000..31cffa793
--- /dev/null
+++ b/app/models/deleted_dossier.rb
@@ -0,0 +1,3 @@
+class DeletedDossier < ApplicationRecord
+  belongs_to :procedure
+end
diff --git a/app/models/dossier.rb b/app/models/dossier.rb
index 8fbe99ee4..9452cc0eb 100644
--- a/app/models/dossier.rb
+++ b/app/models/dossier.rb
@@ -272,6 +272,13 @@ class Dossier < ApplicationRecord
     end
   end
 
+  def delete_and_keep_track
+    now = Time.now
+    deleted_dossier = DeletedDossier.create!(dossier_id: id, procedure: procedure, state: state, deleted_at: now)
+    update(hidden_at: now)
+    deleted_dossier
+  end
+
   private
 
   def update_state_dates
diff --git a/app/models/procedure.rb b/app/models/procedure.rb
index a5f06c2a1..b2b5420eb 100644
--- a/app/models/procedure.rb
+++ b/app/models/procedure.rb
@@ -3,6 +3,7 @@ class Procedure < ApplicationRecord
   has_many :types_de_champ, -> { public_only }, dependent: :destroy
   has_many :types_de_champ_private, -> { private_only }, class_name: 'TypeDeChamp', dependent: :destroy
   has_many :dossiers
+  has_many :deleted_dossiers, dependent: :destroy
 
   has_one :module_api_carto, dependent: :destroy
   has_one :attestation_template, dependent: :destroy
diff --git a/app/views/dossier_mailer/ask_deletion.html.haml b/app/views/dossier_mailer/ask_deletion.html.haml
deleted file mode 100644
index 6b1717e2d..000000000
--- a/app/views/dossier_mailer/ask_deletion.html.haml
+++ /dev/null
@@ -1,10 +0,0 @@
-- content_for(:title, 'Demande de suppression de dossier')
-
-%h1 Bonjour
-
-%p
-  Une demande de suppression a été effectuée pour le dossier #{@dossier.id}
-  (état : #{@dossier.state})
-  par l'utilisateur #{@dossier.user.email}.
-%p
-  Merci de le notifier quand cela est fait.
diff --git a/app/views/dossier_mailer/notify_deletion_to_administration.html.haml b/app/views/dossier_mailer/notify_deletion_to_administration.html.haml
new file mode 100644
index 000000000..dc2705328
--- /dev/null
+++ b/app/views/dossier_mailer/notify_deletion_to_administration.html.haml
@@ -0,0 +1,11 @@
+- content_for(:title, "Suppression du dossier n° #{@deleted_dossier.dossier_id}")
+
+%h1 Bonjour,
+
+%p
+  À la demande de l'usager le dossier n° #{@deleted_dossier.dossier_id} a été supprimé.
+%br
+Bonne journée,
+%br
+%br
+L'équipe demarches-simplifiees.fr
diff --git a/app/views/dossier_mailer/notify_deletion_to_user.html.haml b/app/views/dossier_mailer/notify_deletion_to_user.html.haml
new file mode 100644
index 000000000..12845ce61
--- /dev/null
+++ b/app/views/dossier_mailer/notify_deletion_to_user.html.haml
@@ -0,0 +1,12 @@
+- content_for(:title, "Suppression du dossier n° #{@deleted_dossier.dossier_id}")
+
+%h1 Bonjour,
+
+%p
+  Votre dossier n° #{@deleted_dossier.dossier_id} a bien été supprimé.
+  Une trace anonyme de ce traitement sera conservée pour l’administration.
+%br
+Bonne journée,
+%br
+%br
+L'équipe demarches-simplifiees.fr
diff --git a/app/views/layouts/left_panels/_left_panel_users_recapitulatifcontroller_show.html.haml b/app/views/layouts/left_panels/_left_panel_users_recapitulatifcontroller_show.html.haml
index 8f5502c44..1e5a3a253 100644
--- a/app/views/layouts/left_panels/_left_panel_users_recapitulatifcontroller_show.html.haml
+++ b/app/views/layouts/left_panels/_left_panel_users_recapitulatifcontroller_show.html.haml
@@ -14,8 +14,9 @@
   .dossier-state= @facade.dossier.display_state
   .split-hr-left
 
-  .text-center.mt-1
-    = link_to ask_deletion_dossier_path(@facade.dossier), method: :post, class:"btn btn-danger", data: { confirm: "Confirmez-vous la demande de suppression de ce dossier ?" } do
-      Demander la suppression
-      %br
-      du dossier
+  - if @facade.dossier.user == current_user
+    .text-center.mt-1
+      = link_to ask_deletion_dossier_path(@facade.dossier), method: :post, class: "btn btn-danger", data: { confirm: delete_dossier_confirm(@facade.dossier) } do
+        Supprimer définitivement
+        %br
+        ce dossier
diff --git a/db/migrate/20180530095508_create_deleted_dossiers.rb b/db/migrate/20180530095508_create_deleted_dossiers.rb
new file mode 100644
index 000000000..9558b23d6
--- /dev/null
+++ b/db/migrate/20180530095508_create_deleted_dossiers.rb
@@ -0,0 +1,12 @@
+class CreateDeletedDossiers < ActiveRecord::Migration[5.2]
+  def change
+    create_table :deleted_dossiers do |t|
+      t.references :procedure
+      t.bigint :dossier_id
+      t.datetime :deleted_at
+      t.string :state
+
+      t.timestamps
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 16ea44e85..69ee7bffb 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2018_05_22_142109) do
+ActiveRecord::Schema.define(version: 2018_05_30_095508) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -220,6 +220,16 @@ ActiveRecord::Schema.define(version: 2018_05_22_142109) do
     t.index ["priority", "run_at"], name: "delayed_jobs_priority"
   end
 
+  create_table "deleted_dossiers", force: :cascade do |t|
+    t.bigint "procedure_id"
+    t.bigint "dossier_id"
+    t.datetime "deleted_at"
+    t.string "state"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["procedure_id"], name: "index_deleted_dossiers_on_procedure_id"
+  end
+
   create_table "dossiers", id: :serial, force: :cascade do |t|
     t.boolean "autorisation_donnees"
     t.integer "procedure_id"
diff --git a/spec/controllers/new_user/dossiers_controller_spec.rb b/spec/controllers/new_user/dossiers_controller_spec.rb
index 2717a6883..8d65338dc 100644
--- a/spec/controllers/new_user/dossiers_controller_spec.rb
+++ b/spec/controllers/new_user/dossiers_controller_spec.rb
@@ -394,11 +394,20 @@ describe NewUser::DossiersController, type: :controller do
       let(:dossier) { create(:dossier, user: user, autorisation_donnees: true) }
 
       it do
-        expect(DossierMailer).to receive(:ask_deletion).and_return(double(deliver_later: nil))
+        expect(DossierMailer).to receive(:notify_deletion_to_administration).with(kind_of(DeletedDossier), dossier.procedure.administrateur.email).and_return(double(deliver_later: nil))
+        expect(DossierMailer).to receive(:notify_deletion_to_user).with(kind_of(DeletedDossier), dossier.user.email).and_return(double(deliver_later: nil))
         subject
       end
 
-      it { is_expected.to redirect_to(users_dossier_recapitulatif_path(dossier)) }
+      it do
+        procedure = dossier.procedure
+        dossier_id = dossier.id
+        subject
+        expect(Dossier.find_by(id: dossier_id)).to eq(nil)
+        expect(procedure.deleted_dossiers.count).to eq(1)
+        expect(procedure.deleted_dossiers.first.dossier_id).to eq(dossier_id)
+      end
+      it { is_expected.to redirect_to(users_dossiers_path) }
     end
 
     context 'when dossier is not owned by signed in user' do
@@ -406,10 +415,17 @@ describe NewUser::DossiersController, type: :controller do
       let(:dossier) { create(:dossier, user: user2, autorisation_donnees: true) }
 
       it do
-        expect(DossierMailer).not_to receive(:ask_deletion)
+        expect(DossierMailer).not_to receive(:notify_deletion_to_administration)
+        expect(DossierMailer).not_to receive(:notify_deletion_to_user)
         subject
       end
 
+      it do
+        subject
+        expect(Dossier.find_by(id: dossier.id)).not_to eq(nil)
+        expect(dossier.procedure.deleted_dossiers.count).to eq(0)
+      end
+
       it { is_expected.to redirect_to(root_path) }
     end
   end
diff --git a/spec/mailers/previews/dossier_mailer_preview.rb b/spec/mailers/previews/dossier_mailer_preview.rb
index bb625c37e..c74b23ae2 100644
--- a/spec/mailers/previews/dossier_mailer_preview.rb
+++ b/spec/mailers/previews/dossier_mailer_preview.rb
@@ -1,6 +1,10 @@
 # Preview all emails at http://localhost:3000/rails/mailers/dossier_mailer
 class DossierMailerPreview < ActionMailer::Preview
-  def ask_deletion
-    DossierMailer.ask_deletion(Dossier.last)
+  def notify_deletion_to_user
+    DossierMailer.notify_deletion_to_user(DeletedDossier.last, "user@ds.fr")
+  end
+
+  def notify_deletion_to_administration
+    DossierMailer.notify_deletion_to_administration(DeletedDossier.last, "admin@ds.fr")
   end
 end