diff --git a/Koha/Booking.pm b/Koha/Booking.pm
index e5297d8d17..c16ae91c4f 100644
--- a/Koha/Booking.pm
+++ b/Koha/Booking.pm
@@ -27,6 +27,8 @@ use Koha::Libraries;
 
 use C4::Letters;
 
+use List::Util qw(any);
+
 use base qw(Koha::Object);
 
 =head1 NAME
@@ -149,7 +151,35 @@ sub store {
                 $self->_assign_item_for_booking;
             }
 
-            $self = $self->SUPER::store;
+            my $is_modification = $self->in_storage;
+            my $old_booking     = $self->get_from_storage;
+            if ( $self =
+                    $self->SUPER::store
+                and $is_modification
+                and any { $old_booking->$_ ne $self->$_ } qw(pickup_library_id start_date end_date) )
+            {
+                my $patron         = $self->patron;
+                my $pickup_library = $self->pickup_library;
+
+                my $letter = C4::Letters::GetPreparedLetter(
+                    module                 => 'bookings',
+                    letter_code            => 'BOOKING_MODIFICATION',
+                    message_transport_type => 'email',
+                    branchcode             => $pickup_library->branchcode,
+                    lang                   => $patron->lang,
+                    objects                => { booking => $self },
+                );
+
+                if ($letter) {
+                    C4::Letters::EnqueueLetter(
+                        {
+                            letter                 => $letter,
+                            borrowernumber         => $patron->borrowernumber,
+                            message_transport_type => 'email',
+                        }
+                    );
+                }
+            }
         }
     );
 
diff --git a/installer/data/mysql/en/mandatory/sample_notices.yml b/installer/data/mysql/en/mandatory/sample_notices.yml
index 8950c41e51..c7aa453037 100644
--- a/installer/data/mysql/en/mandatory/sample_notices.yml
+++ b/installer/data/mysql/en/mandatory/sample_notices.yml
@@ -66,6 +66,30 @@ tables:
             - "<br>"
             - "[% booking.pickup_library.branchname %]"
 
+        - module: bookings
+          code: BOOKING_MODIFICATION
+          branchcode: ""
+          name: "Booking modification notice"
+          is_html: 1
+          title: "A library booking was modified"
+          message_transport_type: email
+          lang: default
+          content:
+            - "[%- PROCESS 'html_helpers.inc' -%]"
+            - "[%- USE KohaDates -%]"
+            - "Dear [%- INCLUDE 'patron-title.inc' patron => booking.patron -%],<br>"
+            - "<br>"
+            - "Your booking of [%- INCLUDE 'biblio-title.inc' biblio=booking.biblio link = 0 -%] has been modified.<br>"
+            - "<br>"
+            - "The new details are:<br>"
+            - "<br>"
+            - "Dates: [% booking.start_date | $KohaDates %] to [% booking.end_date | $KohaDates %]<br>"
+            - "<br>"
+            - "Pickup at: [% booking.pickup_library.branchname %]<br>"
+            - "Kind regards<br>"
+            - "<br>"
+            - "[% booking.pickup_library.branchname %]"
+
         - module: catalogue
           code: TICKET_ACKNOWLEDGE
           branchcode: ""
diff --git a/t/db_dependent/Koha/Booking.t b/t/db_dependent/Koha/Booking.t
index a0805a6a14..9eef67069d 100755
--- a/t/db_dependent/Koha/Booking.t
+++ b/t/db_dependent/Koha/Booking.t
@@ -123,7 +123,7 @@ subtest 'Relation accessor tests' => sub {
 };
 
 subtest 'store() tests' => sub {
-    plan tests => 13;
+    plan tests => 14;
     $schema->storage->txn_begin;
 
     my $patron  = $builder->build_object( { class => "Koha::Patrons" } );
@@ -322,6 +322,88 @@ subtest 'store() tests' => sub {
         # ✓ Any (1)         |--|
     };
 
+    subtest 'notice trigger' => sub {
+        plan tests => 3;
+
+        my $original_notices_count = Koha::Notice::Messages->search(
+            {
+                letter_code    => 'BOOKING_MODIFICATION',
+                borrowernumber => $patron->borrowernumber,
+            }
+        )->count;
+
+        $start_1 = dt_from_string->add( months => 1 )->truncate( to => 'day' );
+        $end_1   = $start_1->clone()->add( days => 1 );
+
+        # Use datetime formatting so that we don't get DateTime objects
+        $booking = Koha::Booking->new(
+            {
+                patron_id         => $patron->borrowernumber,
+                biblio_id         => $biblio->biblionumber,
+                pickup_library_id => $item_2->homebranch,
+                start_date        => $start_1->datetime(q{ }),
+                end_date          => $end_1->datetime(q{ }),
+            }
+        )->store;
+
+        my $post_notices_count = Koha::Notice::Messages->search(
+            {
+                letter_code    => 'BOOKING_MODIFICATION',
+                borrowernumber => $patron->borrowernumber,
+            }
+        )->count;
+        is(
+            $post_notices_count,
+            $original_notices_count,
+            'Koha::Booking->store should not have enqueued a BOOKING_MODIFICATION email for a new booking'
+        );
+
+        my $item_4 = $builder->build_sample_item( { biblionumber => $biblio->biblionumber, bookable => 1 } );
+
+        $booking->update(
+            {
+                item_id => $item_4->itemnumber,
+            }
+        );
+
+        $post_notices_count = Koha::Notice::Messages->search(
+            {
+                letter_code    => 'BOOKING_MODIFICATION',
+                borrowernumber => $patron->borrowernumber,
+            }
+        )->count;
+        is(
+            $post_notices_count,
+            $original_notices_count,
+            'Koha::Booking->store should not have enqueued a BOOKING_MODIFICATION email for a booking with modified item_id'
+        );
+
+        $booking->update(
+            {
+                start_date => $start_1->clone()->add( days => 1 )->datetime(q{ }),
+            }
+        );
+
+        # start_date, end_date and pickup_library_id should behave identical
+        $post_notices_count = Koha::Notice::Messages->search(
+            {
+                letter_code    => 'BOOKING_MODIFICATION',
+                borrowernumber => $patron->borrowernumber,
+            }
+        )->count;
+        is(
+            $post_notices_count,
+            $original_notices_count + 1,
+            'Koha::Booking->store should have enqueued a BOOKING_MODIFICATION email for a booking with modified start_date'
+        );
+
+        $booking->update(
+            {
+                end_date => $end_1->clone()->add( days => 1 )->datetime(q{ }),
+            }
+        );
+    };
+
     $schema->storage->txn_rollback;
 };