diff --git a/perllib/Open311/Endpoint/Integration/Echo.pm b/perllib/Open311/Endpoint/Integration/Echo.pm
index 5ff8b7a10..748eb65d0 100644
--- a/perllib/Open311/Endpoint/Integration/Echo.pm
+++ b/perllib/Open311/Endpoint/Integration/Echo.pm
@@ -13,6 +13,7 @@ pushed to us by Echo or fetched directly.
 package Open311::Endpoint::Integration::Echo;
 
 use v5.14;
+use utf8;
 
 use Moo;
 use JSON::MaybeXS;
@@ -501,4 +502,33 @@ used as part of a Multi integration.
 
 sub get_service_request_updates { }
 
+=head2 update_event_payment
+
+Given an update args and an arrayref of payment details, update the event
+to add those details. This is currently only for SLWP, and includes
+hard-coded SLWP IDs.
+
+=cut
+
+sub update_event_payment {
+    my ($self, $args, $payments) = @_;
+
+    my $integ = $self->get_integration;
+    my $event = $integ->GetEvent($args->{service_request_id});
+    my $data = [];
+    foreach (@$payments) {
+        $_->{amount} =~ s/£//;
+        push @$data, {
+            # Could GetEventType and loop through it all to find these IDs out but for just this seemed okay
+            id => 27409,
+            childdata => [
+                { id => 27410, value => $_->{ref} },
+                { id => 27411, value => $_->{amount} },
+            ],
+        };
+    }
+    $integ->UpdateEvent({ id => $event->{Id}, data => $data });
+    $args->{description} = ''; # Blank out so nothing sent to Echo now
+}
+
 1;
diff --git a/perllib/Open311/Endpoint/Integration/UK/Merton/Echo.pm b/perllib/Open311/Endpoint/Integration/UK/Merton/Echo.pm
index 7f63396fa..4ccc6e228 100644
--- a/perllib/Open311/Endpoint/Integration/UK/Merton/Echo.pm
+++ b/perllib/Open311/Endpoint/Integration/UK/Merton/Echo.pm
@@ -13,9 +13,9 @@ Merton specifics for its Echo backend
 package Open311::Endpoint::Integration::UK::Merton::Echo;
 
 use utf8;
-use DateTime;
 use Moo;
 extends 'Open311::Endpoint::Integration::Echo';
+with 'Open311::Endpoint::Role::SLWP';
 
 around BUILDARGS => sub {
     my ($orig, $class, %args) = @_;
@@ -42,68 +42,4 @@ around process_service_request_args => sub {
     return $request;
 };
 
-around check_for_data_value => sub {
-    my ($orig, $class, $name, $args, $request, $parent_name) = @_;
-
-    my $service = $args->{attributes}{service_id} || '';
-
-    return 1 if $name eq 'Container Mix' && ($service eq '2241' || $service eq '2250' || $service eq '2246' || $service eq '3571');
-    return 1 if $name eq 'Paper' && ($service eq '2240' || $service eq '2249' || $service eq '2632');
-    return 1 if $name eq 'Food' && ($service eq '2239' || $service eq '2248');
-    return 1 if ($name eq 'Garden' || $name eq 'Garden Waste ') && $service eq '2247'; # Attribute has a space at the end
-    return 1 if $name eq 'Refuse Bag' && $service eq '2242';
-    return 1 if $name eq 'Refuse Bin' && ($service eq '2238' || $service eq '2243' || $service eq '3576');
-
-    # Garden waste
-    if ($args->{service_code} eq '1638') {
-        my $method = $args->{attributes}{LastPayMethod} || '';
-        return 2 if $name eq 'Payment Type' && $method eq 3; # DD
-        return 3 if $name eq 'Payment Type' && $method eq 4; # 'cheque' (or phone)
-    }
-
-    # Bulky items
-    if ($args->{service_code} eq '1636') {
-        # Default in configuration is Payment Type 1 (Card), Payment Method 2 (Website)
-        my $method = $args->{attributes}{payment_method} || '';
-        return 2 if $name eq 'Payment Type' && $method eq 'cheque'; # Cheque
-        if ($name eq 'Payment Method') {
-            return 1 if $method eq 'csc' || $method eq 'cheque'; # Borough Phone Payment
-            return 2 if $method eq 'credit_card'; # Borough Website Payment
-        }
-    }
-
-    return $class->$orig($name, $args, $request, $parent_name);
-};
-
-around post_service_request_update => sub {
-    my ($orig, $class, $args) = @_;
-    return $class->$orig($args) unless $args->{description};
-
-    if ($args->{description} =~ /Payment confirmed, reference (.*), amount (.*)/) {
-        my ($ref, $amount) = ($1, $2);
-        $amount =~ s/£//;
-        my $integ = $class->get_integration;
-        my $event = $integ->GetEvent($args->{service_request_id});
-        # Could GetEventType and loop through it all to find these IDs out but for just this seemed okay
-        my $data = {
-            id => 27409,
-            childdata => [
-                { id => 27410, value => $ref },
-                { id => 27411, value => $amount },
-            ],
-        };
-        $integ->UpdateEvent({ id => $event->{Id}, data => [ $data ] });
-        $args->{description} = ''; # Blank out so nothing sent to Echo now
-    }
-
-    if ($args->{description} =~ /Booking cancelled/) {
-        $args->{actiontype_id} = 8;
-        $args->{datatype_id} = 0;
-    }
-
-    my $result = $class->$orig($args);
-
-    return $result;
-};
-
 1;
diff --git a/perllib/Open311/Endpoint/Role/SLWP.pm b/perllib/Open311/Endpoint/Role/SLWP.pm
index dd9b1c004..062584518 100644
--- a/perllib/Open311/Endpoint/Role/SLWP.pm
+++ b/perllib/Open311/Endpoint/Role/SLWP.pm
@@ -23,7 +23,7 @@ around check_for_data_value => sub {
     return 1 if $name eq 'Container Mix' && ($service eq '2241' || $service eq '2250' || $service eq '2246' || $service eq '3571');
     return 1 if $name eq 'Paper' && ($service eq '2240' || $service eq '2249' || $service eq '2632');
     return 1 if $name eq 'Food' && ($service eq '2239' || $service eq '2248');
-    return 1 if $name eq 'Garden' && $service eq '2247';
+    return 1 if ($name eq 'Garden' || $name eq 'Garden Waste ') && $service eq '2247'; # Attribute has a space at the end
     return 1 if $name eq 'Refuse Bag' && $service eq '2242';
     return 1 if $name eq 'Refuse Bin' && ($service eq '2238' || $service eq '2243' || $service eq '3576');
 
@@ -52,24 +52,19 @@ around post_service_request_update => sub {
     my ($orig, $class, $args) = @_;
     return $class->$orig($args) unless $args->{description};
 
-    if ($args->{description} =~ /Payment confirmed, reference (.*), amount (.*)/) {
+    if (my $payments = $args->{attributes}{payments}) {
+        my @data = split /\|/, $payments;
+        my @payments;
+        for (my $i=0; $i<@data; $i+=2) {
+            push @payments, { ref => $data[$i], amount => $data[$i+1] }
+        }
+        $class->update_event_payment($args, \@payments);
+    } elsif ($args->{description} =~ /Payment confirmed, reference (.*), amount (.*)/) {
         my ($ref, $amount) = ($1, $2);
-        $amount =~ s/£//;
-        my $integ = $class->get_integration;
-        my $event = $integ->GetEvent($args->{service_request_id});
-        # Could GetEventType and loop through it all to find these IDs out but for just this seemed okay
-        my $data = {
-            id => 27409,
-            childdata => [
-                { id => 27410, value => $ref },
-                { id => 27411, value => $amount },
-            ],
-        };
-        $integ->UpdateEvent({ id => $event->{Id}, data => [ $data ] });
-        $args->{description} = ''; # Blank out so nothing sent to Echo now
+        $class->update_event_payment($args, [ { ref => $ref, amount => $amount } ]);
     }
 
-    if ($args->{description} eq 'Booking cancelled by customer') {
+    if ($args->{description} =~ /Booking cancelled/ || $args->{attributes}{booking_cancelled}) {
         $args->{actiontype_id} = 8;
         $args->{datatype_id} = 0;
     }
diff --git a/perllib/Open311/Endpoint/Role/mySociety.pm b/perllib/Open311/Endpoint/Role/mySociety.pm
index 756fd8a58..83e074be7 100644
--- a/perllib/Open311/Endpoint/Role/mySociety.pm
+++ b/perllib/Open311/Endpoint/Role/mySociety.pm
@@ -196,11 +196,9 @@ sub POST_Service_Request_Update_input_schema {
         delete $attributes->{required}{update_id};
     }
 
-    # Allow attributes through for Oxfordshire XXX
-    if ($jurisdiction eq 'oxfordshire') {
-        for my $key (grep { /^attribute\[\w+\]$/ } keys %$args) {
-            $attributes->{optional}{$key} = '//str';
-        }
+    # Allow attributes through
+    for my $key (grep { /^attribute\[\w+\]$/ } keys %$args) {
+        $attributes->{optional}{$key} = '//str';
     }
 
     # Allow nsg_ref through for Bexley XXX
diff --git a/t/open311/endpoint/merton_echo.t b/t/open311/endpoint/merton_echo.t
index a55aaf100..c3c2b38be 100644
--- a/t/open311/endpoint/merton_echo.t
+++ b/t/open311/endpoint/merton_echo.t
@@ -268,6 +268,7 @@ subtest "POST a successful payment" => sub {
         update_id => 456,
         status => 'OPEN',
         description => 'Payment confirmed, reference ABC, amount £34.56',
+        'attribute[payments]' => 'ABC|34.56',
         first_name => 'Bob',
         last_name => 'Mould',
     );