diff --git a/CHANGELOG.md b/CHANGELOG.md
index def0371..c2c0eb1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,16 @@
 
 # Next Release
 
+* Location is now updated on registration. Customers location is truncated to 2
+  decimal places based on their postcode.
+* Location is also updated on changing a users postcode
+* Distance is now calculated when a transaction is submitted
+
+## Bug Fixes
+
+* Updated Geo::UK::Postcode::Regex dependency to latest version. Fixes postcode
+  validation errors
+
 # v0.9.4
 
 * **Admin Feature:** Report of transaction data graphs
diff --git a/cpanfile b/cpanfile
index c707f19..f3ab731 100644
--- a/cpanfile
+++ b/cpanfile
@@ -4,7 +4,7 @@ requires 'Data::UUID';
 requires 'Devel::Dwarn';
 requires 'Mojo::JSON';
 requires 'Email::Valid';
-requires 'Geo::UK::Postcode::Regex';
+requires 'Geo::UK::Postcode::Regex' => '0.017';
 requires 'Authen::Passphrase::BlowfishCrypt';
 requires 'Time::Fake';
 requires 'Scalar::Util';
diff --git a/lib/Pear/LocalLoop.pm b/lib/Pear/LocalLoop.pm
index b6f6fcf..9890811 100644
--- a/lib/Pear/LocalLoop.pm
+++ b/lib/Pear/LocalLoop.pm
@@ -39,6 +39,7 @@ sub startup {
   $self->plugin('Pear::LocalLoop::Plugin::BootstrapPagination', { bootstrap4 => 1 } );
   $self->plugin('Pear::LocalLoop::Plugin::Validators');
   $self->plugin('Pear::LocalLoop::Plugin::Datetime');
+  $self->plugin('Pear::LocalLoop::Plugin::Postcodes');
   $self->plugin('Pear::LocalLoop::Plugin::TemplateHelpers');
 
   $self->plugin('Authentication' => {
diff --git a/lib/Pear/LocalLoop/Controller/Api/Register.pm b/lib/Pear/LocalLoop/Controller/Api/Register.pm
index 822087d..fc8ed0b 100644
--- a/lib/Pear/LocalLoop/Controller/Api/Register.pm
+++ b/lib/Pear/LocalLoop/Controller/Api/Register.pm
@@ -2,6 +2,8 @@ package Pear::LocalLoop::Controller::Api::Register;
 use Mojo::Base 'Mojolicious::Controller';
 use DateTime;
 
+use Geo::UK::Postcode::Regex;
+
 has error_messages => sub {
   return {
     token => {
@@ -80,6 +82,11 @@ sub post_register {
 
   return $c->api_validation_error if $validation->has_error;
 
+  my $location = $c->get_location_from_postcode(
+    $validation->param('postcode'),
+    $usertype,
+  );
+
   if ($usertype eq 'customer'){
 
     $c->schema->txn_do( sub {
@@ -94,6 +101,7 @@ sub post_register {
           display_name  => $validation->param('display_name'),
           year_of_birth => $validation->param('year_of_birth'),
           postcode      => $validation->param('postcode'),
+          ( defined $location ? ( %$location ) : () ),
         },
         user => {
           email    => $validation->param('email'),
@@ -118,6 +126,7 @@ sub post_register {
           town        => $validation->param('town'),
           sector      => $validation->param('sector'),
           postcode    => $validation->param('postcode'),
+          ( defined $location ? ( %$location ) : () ),
         },
         user => {
           email        => $validation->param('email'),
diff --git a/lib/Pear/LocalLoop/Controller/Api/Upload.pm b/lib/Pear/LocalLoop/Controller/Api/Upload.pm
index 879c128..15fa500 100644
--- a/lib/Pear/LocalLoop/Controller/Api/Upload.pm
+++ b/lib/Pear/LocalLoop/Controller/Api/Upload.pm
@@ -173,6 +173,7 @@ sub post_upload {
   my $purchase_time = $c->parse_iso_datetime($validation->param('purchase_time') || '');
   $purchase_time ||= DateTime->now();
   my $file = defined $upload ? $c->store_file_from_upload( $upload ) : undef;
+  my $distance = $c->get_distance_from_coords( $user->entity->type_object, $organisation );
 
   my $new_transaction = $organisation->entity->create_related(
     'sales',
@@ -181,6 +182,7 @@ sub post_upload {
       value => $transaction_value * 100000,
       ( defined $file ? ( proof_image => $file ) : () ),
       purchase_time => $c->format_db_datetime($purchase_time),
+      distance => $distance,
     }
   );
 
diff --git a/lib/Pear/LocalLoop/Controller/Api/User.pm b/lib/Pear/LocalLoop/Controller/Api/User.pm
index d85e2d8..c500164 100644
--- a/lib/Pear/LocalLoop/Controller/Api/User.pm
+++ b/lib/Pear/LocalLoop/Controller/Api/User.pm
@@ -49,22 +49,28 @@ sub post_account {
     my $email = $user_result->email;
 
     if ( $user_result->type eq 'customer' ) {
-      my $full_name = $user_result->entity->customer->full_name;
-      my $display_name = $user_result->entity->customer->display_name;
-      my $postcode = $user_result->entity->customer->postcode;
+      my $customer = $user_result->entity->customer;
+      my $full_name    = $customer->full_name;
+      my $display_name = $customer->display_name;
+      my $postcode     = $customer->postcode;
       return $c->render( json => {
         success => Mojo::JSON->true,
         full_name => $full_name,
         display_name => $display_name,
         email => $email,
         postcode => $postcode,
+        location => {
+          latitude => (defined $customer->latitude ? $customer->latitude * 1 : undef),
+          longitude => (defined $customer->longitude ? $customer->longitude * 1 : undef),
+        },
       });
     } elsif ( $user_result->type eq 'organisation' ) {
-      my $name = $user_result->entity->organisation->name;
-      my $postcode = $user_result->entity->organisation->postcode;
-      my $street_name = $user_result->entity->organisation->street_name;
-      my $town = $user_result->entity->organisation->town;
-      my $sector = $user_result->entity->organisation->sector;
+      my $organisation = $user_result->entity->organisation;
+      my $name        = $organisation->name;
+      my $postcode    = $organisation->postcode;
+      my $street_name = $organisation->street_name;
+      my $town        = $organisation->town;
+      my $sector      = $organisation->sector;
       return $c->render( json => {
         success => Mojo::JSON->true,
         town => $town,
@@ -73,6 +79,10 @@ sub post_account {
         street_name => $street_name,
         email => $email,
         postcode => $postcode,
+        location => {
+          latitude => (defined $organisation->latitude ? $organisation->latitude * 1 : undef),
+          longitude => (defined $organisation->longitude ? $organisation->longitude * 1 : undef),
+        },
       });
     } else {
       return $c->render(
@@ -135,6 +145,11 @@ sub post_account_update {
 
   return $c->api_validation_error if $validation->has_error;
 
+  my $location = $c->get_location_from_postcode(
+    $validation->param('postcode'),
+    $user->type,
+  );
+
   if ( $user->type eq 'customer' ){
 
     $c->schema->txn_do( sub {
@@ -142,6 +157,7 @@ sub post_account_update {
         full_name     => $validation->param('full_name'),
         display_name  => $validation->param('display_name'),
         postcode      => $validation->param('postcode'),
+        ( defined $location ? ( %$location ) : ( latitude => undef, longitude => undef ) ),
       });
       $user->update({
         email => $validation->param('email'),
@@ -159,6 +175,7 @@ sub post_account_update {
         town        => $validation->param('town'),
         sector      => $validation->param('sector'),
         postcode    => $validation->param('postcode'),
+        ( defined $location ? ( %$location ) : ( latitude => undef, longitude => undef ) ),
       });
       $user->update({
         email        => $validation->param('email'),
diff --git a/lib/Pear/LocalLoop/Plugin/Postcodes.pm b/lib/Pear/LocalLoop/Plugin/Postcodes.pm
new file mode 100644
index 0000000..ee7b15a
--- /dev/null
+++ b/lib/Pear/LocalLoop/Plugin/Postcodes.pm
@@ -0,0 +1,58 @@
+package Pear::LocalLoop::Plugin::Postcodes;
+use Mojo::Base 'Mojolicious::Plugin';
+
+use Geo::UK::Postcode::Regex;
+use GIS::Distance;
+
+sub register {
+  my ( $plugin, $app, $conf ) = @_;
+
+  $app->helper( get_location_from_postcode => sub {
+    my ( $c, $postcode, $usertype ) = @_;
+    my $postcode_obj = Geo::UK::Postcode::Regex->parse( $postcode );
+
+    my $location;
+
+    unless ( defined $postcode_obj && $postcode_obj->{non_geographical} ) {
+      my $pc_result = $c->schema->resultset('GbPostcode')->find({
+        incode => $postcode_obj->{incode},
+        outcode => $postcode_obj->{outcode},
+      });
+      if ( defined $pc_result ) {
+        # Force truncation here as SQLite is stupid
+        $location = {
+          latitude => (
+            $usertype eq 'customer'
+            ? int($pc_result->latitude * 100 ) / 100
+            : $pc_result->latitude
+          ),
+          longitude => (
+            $usertype eq 'customer'
+            ? int($pc_result->longitude * 100 ) / 100
+            : $pc_result->longitude
+          ),
+        };
+      }
+    }
+    return $location;
+  });
+
+  $app->helper( get_distance_from_coords => sub {
+    my ( $c, $buyer, $seller ) = @_;
+
+    my $gis = GIS::Distance->new();
+
+    my $buyer_lat = $buyer->latitude;
+    my $buyer_long = $buyer->longitude;
+    my $seller_lat = $seller->latitude;
+    my $seller_long = $seller->longitude;
+
+    if ( $buyer_lat && $buyer_long 
+      && $seller_lat && $seller_long ) {
+      return int( $gis->distance( $buyer_lat, $buyer_long => $seller_lat, $seller_long )->meters );
+    }
+    return;
+  });
+}
+
+1;
diff --git a/lib/Test/Pear/LocalLoop.pm b/lib/Test/Pear/LocalLoop.pm
index 961fd55..490aa1a 100644
--- a/lib/Test/Pear/LocalLoop.pm
+++ b/lib/Test/Pear/LocalLoop.pm
@@ -219,6 +219,8 @@ sub install_fixtures {
       {
         entities => 'entities_id_seq',
         organisations => 'organisations_id_seq',
+        users => 'users_id_seq',
+        customers => 'customers_id_seq',
       }
     );
   }
diff --git a/t/admin/reports/transactions.t b/t/admin/reports/transactions.t
index 8269c5c..f741a32 100644
--- a/t/admin/reports/transactions.t
+++ b/t/admin/reports/transactions.t
@@ -40,7 +40,7 @@ my $expected_hours = {};
 sub increment_day {
   my ( $value, $day, $distance ) = @_;
   $value *= 100000;
-  $distance //= 0;
+  $distance //= 845;
   $expected_days->{$day} = {
     quantised         => $day,
     sum_value         => ($expected_days->{$day}->{sum_value} || 0) + $value,
@@ -52,7 +52,7 @@ sub increment_day {
 sub increment_hour {
   my ( $value, $day, $distance ) = @_;
   $value *= 100000;
-  $distance //= 0;
+  $distance //= 845;
   $expected_hours->{$day} = {
     quantised         => $day,
     sum_value         => ($expected_hours->{$day}->{sum_value} || 0) + $value,
diff --git a/t/api/register/location.t b/t/api/register/location.t
new file mode 100644
index 0000000..d01ff1f
--- /dev/null
+++ b/t/api/register/location.t
@@ -0,0 +1,108 @@
+use Mojo::Base -strict;
+
+use FindBin qw/ $Bin /;
+
+use Test::More;
+use Mojo::JSON;
+use Test::Pear::LocalLoop;
+
+my $framework = Test::Pear::LocalLoop->new(
+  etc_dir => "$Bin/../../etc",
+);
+$framework->install_fixtures('full');
+
+my $t = $framework->framework;
+my $schema = $t->app->schema;
+
+$schema->resultset('AccountToken')->populate([
+  {name => 'test1'},
+  {name => 'test2'},
+  {name => 'test3'},
+]);
+
+$t->post_ok('/api/register',
+  json => {
+    token => 'test1',
+    usertype => 'customer',
+    full_name => 'New Test User',
+    display_name => 'Testing User New',
+    email => 'newtest@example.com',
+    postcode => 'LA2 0AD',
+    year_of_birth => 2001,
+    password => 'abc123',
+  })
+  ->status_is(200)->or($framework->dump_error)
+  ->json_is('/success', Mojo::JSON->true);
+
+my $session_key = $framework->login({
+  email => 'newtest@example.com',
+  password => 'abc123',
+});
+
+$t->post_ok('/api/user', json => { session_key => $session_key })
+  ->status_is(200)
+  ->json_is('/success', Mojo::JSON->true)
+  ->json_is('/location', {
+      latitude => 54.02,
+      longitude => -2.80,
+    }
+  );
+
+$t->post_ok('/api/register',
+  json => {
+    token => 'test2',
+    usertype => 'organisation',
+    email => 'neworg@example.com',
+    password => 'abc123',
+    postcode => 'LA2 0AD',
+    name => 'New Org',
+    street_name => '18 Test Road',
+    town => 'Lancaster',
+    sector => 'A',
+  })
+  ->status_is(200)
+  ->json_is('/success', Mojo::JSON->true);
+
+$session_key = $framework->login({
+  email => 'neworg@example.com',
+  password => 'abc123',
+});
+
+$t->post_ok('/api/user', json => { session_key => $session_key })
+  ->status_is(200)
+  ->json_is('/success', Mojo::JSON->true)
+  ->json_is('/location', {
+       latitude  => 54.02432,
+       longitude => -2.80635,
+    }
+  );
+
+$t->post_ok('/api/register',
+  json => {
+    token => 'test3',
+    usertype => 'customer',
+    full_name => 'New Test User',
+    display_name => 'Testing User New',
+    email => 'newtest2@example.com',
+    postcode => 'BX1 1AA',
+    year_of_birth => 2001,
+    password => 'abc123',
+  })
+  ->status_is(200)->or($framework->dump_error)
+  ->json_is('/success', Mojo::JSON->true);
+
+$session_key = $framework->login({
+  email => 'newtest2@example.com',
+  password => 'abc123',
+});
+
+$t->post_ok('/api/user', json => { session_key => $session_key })
+  ->status_is(200)
+  ->json_is('/success', Mojo::JSON->true)
+  ->json_is('/location', {
+      latitude => undef,
+      longitude => undef,
+    }
+  );
+
+done_testing;
diff --git a/t/api/upload/distance.t b/t/api/upload/distance.t
new file mode 100644
index 0000000..6a4ab60
--- /dev/null
+++ b/t/api/upload/distance.t
@@ -0,0 +1,51 @@
+use Mojo::Base -strict;
+
+use FindBin qw/ $Bin /;
+
+use Test::More;
+use Mojo::JSON;
+use Test::Pear::LocalLoop;
+use GIS::Distance;
+
+my $framework = Test::Pear::LocalLoop->new(
+  etc_dir => "$Bin/../../etc",
+);
+$framework->install_fixtures('full');
+
+my $t = $framework->framework;
+my $schema = $t->app->schema;
+
+my $session_key = $framework->login({
+  email => 'test1@example.com',
+  password => 'abc123',
+});
+
+my $test_purchase_time = "2017-08-14T11:29:07.965+01:00";
+
+$t->post_ok('/api/upload' => json => {
+    transaction_value => 10,
+    transaction_type => 1,
+    purchase_time => $test_purchase_time,
+    organisation_id => 1,
+    session_key => $session_key,
+  })
+  ->status_is(200)
+  ->or($framework->dump_error)
+  ->json_is('/success', Mojo::JSON->true)
+  ->json_like('/message', qr/Upload Successful/);
+
+is $schema->resultset('Transaction')->count, 1, "1 transaction";
+
+my $transaction = $schema->resultset('Transaction')->first;
+
+my $gis = GIS::Distance->new();
+my $expected_distance = int( $gis->distance(
+  # Buyer
+  54.04, -2.8,
+  # Seller
+  54.04725, -2.79611,
+)->meters );
+
+is $transaction->distance, $expected_distance, 'Transaction Distance Correct';
+
+done_testing;
diff --git a/t/api/user.t b/t/api/user.t
index 643165a..acedf1e 100644
--- a/t/api/user.t
+++ b/t/api/user.t
@@ -40,6 +40,10 @@ $t->post_ok('/api/user', json => { session_key => $session_key })
     display_name => 'Testing User',
     email => $email,
     postcode => 'LA1 1AA',
+    location => {
+      latitude => undef,
+      longitude => undef,
+    },
   });
 
 #with wrong password
@@ -80,6 +84,11 @@ $t->post_ok('/api/user', json => { session_key => $session_key })
     display_name => 'Testing User 2',
     email => 'test50@example.com',
     postcode => 'LA1 1AB',
+    location => {
+      latitude => undef,
+      longitude => undef,
+    },
+
   });
 
 $t->post_ok('/api/user/account', json => {
@@ -105,6 +114,11 @@ $t->post_ok('/api/user', json => { session_key => $session_key })
     display_name => 'Testing User 3',
     email => 'test60@example.com',
     postcode => 'LA1 1AD',
+    location => {
+      latitude => undef,
+      longitude => undef,
+    },
+
   });
 
 $session_key = $framework->login({
diff --git a/t/api/user/postcode.t b/t/api/user/postcode.t
new file mode 100644
index 0000000..851922c
--- /dev/null
+++ b/t/api/user/postcode.t
@@ -0,0 +1,53 @@
+use Mojo::Base -strict;
+
+use FindBin qw/ $Bin /;
+
+use Test::More;
+use Mojo::JSON;
+use Test::Pear::LocalLoop;
+
+my $framework = Test::Pear::LocalLoop->new(
+  etc_dir => "$Bin/../../etc",
+);
+$framework->install_fixtures('full');
+
+my $t = $framework->framework;
+my $schema = $t->app->schema;
+
+my $session_key = $framework->login({
+  email => 'test1@example.com',
+  password => 'abc123',
+});
+
+$t->post_ok('/api/user', json => { session_key => $session_key })
+  ->status_is(200)
+  ->json_is('/success', Mojo::JSON->true)
+  ->json_is('/postcode', 'LA1 1AA')
+  ->json_is('/location', {
+      latitude => 54.04,
+      longitude => -2.80,
+    }
+  );
+
+$t->post_ok('/api/user/account', json => {
+  session_key => $session_key,
+  full_name => 'Test User1',
+  display_name => 'Testing User1',
+  email => 'test1@example.com',
+  postcode => 'LA2 0AR',
+  password => 'abc123',
+  })
+  ->status_is(200)->or($framework->dump_error)
+  ->json_is('/success', Mojo::JSON->true);
+
+$t->post_ok('/api/user', json => { session_key => $session_key })
+  ->status_is(200)
+  ->json_is('/success', Mojo::JSON->true)
+  ->json_is('/postcode', 'LA2 0AR')
+  ->json_is('/location', {
+      latitude => 53.99,
+      longitude => -2.84,
+    }
+  );
+
+done_testing;