diff --git a/Block/Adminhtml/Form/Field/Address.php b/Block/Adminhtml/Form/Field/Address.php
new file mode 100644
index 0000000..6b184d3
--- /dev/null
+++ b/Block/Adminhtml/Form/Field/Address.php
@@ -0,0 +1,87 @@
+<?php
+/**
+ * Copyright ©  All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Flekto\Postcode\Block\Adminhtml\Form\Field;
+
+use Magento\Framework\View\Element\Html\Select;
+
+class Address extends Select
+{
+    private $scopeConfig;
+    public function __construct(
+        \Magento\Framework\View\Element\Context $context,
+        array $data = []
+    ) {
+        $this->scopeConfig = $context->getScopeConfig();
+        parent::__construct($context,$data);
+    }
+    /**
+     * Set "name" for <select> element
+     *
+     * @param string $value
+     * @return $this
+     */
+    public function setInputName($value)
+    {
+        return $this->setName($value);
+    }
+
+    /**
+     * Set "id" for <select> element
+     *
+     * @param $value
+     * @return $this
+     */
+    public function setInputId($value)
+    {
+        return $this->setId($value);
+    }
+
+
+    /**
+     * Render block HTML
+     *
+     * @return string
+     */
+    public function _toHtml(): string
+    {
+        if (!$this->getOptions()) {
+            $this->setOptions($this->getSourceOptions());
+        }
+        return parent::_toHtml();
+    }
+
+    private function getSourceOptions(): array
+    {
+        $extrafields = false;
+        if($this->scopeConfig->getValue('postcodenl_api/general/address_fields_extra')) $extrafields = explode("\n", $this->scopeConfig->getValue('postcodenl_api/general/address_fields_extra'));
+        $defaultFields = [
+            'firstname',
+            'lastname',
+            'postcode_nl',
+            'street',
+            'postcode',
+            'city',
+            'country_id',
+            'region_id',
+            'telephone',
+            'company',
+            'vat_id'
+        ];
+        $ar = [];
+        foreach($defaultFields as $field){
+            $ar[] = ['label' => str_replace('_', ' ', str_replace('_id', '', ucfirst($field))), 'value' => $field];
+        }
+        if($extrafields){
+            foreach($extrafields as $field){
+                $ar[] = ['label' => str_replace('_', ' ', str_replace('_id', '', ucfirst($field))), 'value' => $field];
+            }
+        }
+        return $ar;
+    }
+}
+
diff --git a/Block/Adminhtml/Form/Field/AddressColumns.php b/Block/Adminhtml/Form/Field/AddressColumns.php
new file mode 100644
index 0000000..3d5ba3c
--- /dev/null
+++ b/Block/Adminhtml/Form/Field/AddressColumns.php
@@ -0,0 +1,83 @@
+<?php
+/**
+ * Copyright ©  All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Flekto\Postcode\Block\Adminhtml\Form\Field;
+
+use Magento\Config\Block\System\Config\Form\Field\FieldArray\AbstractFieldArray;
+use Magento\Framework\DataObject;
+use Magento\Framework\Exception\LocalizedException;
+
+
+class AddressColumns extends AbstractFieldArray
+{
+    private $addresFieldRenderer;
+    private $positionRenderer;
+
+    /**
+     * Prepare rendering the new field by adding all the needed columns
+     */
+    protected function _prepareToRender()
+    {
+        $this->addColumn('addressfield', ['label' => __('Address Field'), 'renderer' => $this->getAddresFieldRenderer()]);
+        $this->addColumn('position', ['label' => __('Position'), 'renderer' => $this->getPositionRenderer(), 'class' => 'required-entry']);
+
+        $this->_addAfter = false;
+        $this->_addButtonLabel = __('Add');
+    }
+
+    /**
+     * Prepare existing row data object
+     *
+     * @param DataObject $row
+     * @throws LocalizedException
+     */
+    protected function _prepareArrayRow(DataObject $row): void
+    {
+        $options = [];
+
+        /*$product = $row->getProduct();
+        if ($product !== null) {
+            $options['option_' . $this->productRenderer()->calcOptionHash($product)] = 'selected="selected"';
+        }*/
+
+        $address = $row->getAddress();
+        if ($address !== null) {
+            $options['option_' . $this->getAddresFieldRenderer()->calcOptionHash($address)] = 'selected="selected"';
+        }
+
+        $position = $row->getPosition();
+        if ($position !== null) {
+            $options['option_' . $this->getPositionRenderer()->calcOptionHash($position)] = 'selected="selected"';
+        }
+
+        $row->setData('option_extra_attrs', $options);
+    }
+
+
+    private function getAddresFieldRenderer(){
+        if (!$this->addresFieldRenderer) {
+            $this->addresFieldRenderer = $this->getLayout()->createBlock(
+                \Flekto\Postcode\Block\Adminhtml\Form\Field\Address::class,
+                '',
+                ['data' => ['is_render_to_js_template' => true]]
+            );
+        }
+        return $this->addresFieldRenderer;
+    }
+
+    private function getPositionRenderer(){
+        if (!$this->positionRenderer) {
+            $this->positionRenderer = $this->getLayout()->createBlock(
+                \Flekto\Postcode\Block\Adminhtml\Form\Field\Position::class,
+                '',
+                ['data' => ['is_render_to_js_template' => true]]
+            );
+        }
+        return $this->positionRenderer;
+    }
+}
+
diff --git a/Block/Adminhtml/Form/Field/Position.php b/Block/Adminhtml/Form/Field/Position.php
new file mode 100644
index 0000000..86f3991
--- /dev/null
+++ b/Block/Adminhtml/Form/Field/Position.php
@@ -0,0 +1,68 @@
+<?php
+/**
+ * Copyright ©  All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Flekto\Postcode\Block\Adminhtml\Form\Field;
+
+class Position extends \Magento\Framework\View\Element\Html\Select
+{
+
+
+    public function __construct(
+        \Magento\Framework\View\Element\Context $context,
+        array $data = []
+    ) {
+        parent::__construct($context,$data);
+    }
+    /**
+     * Set "name" for <select> element
+     *
+     * @param string $value
+     * @return $this
+     */
+    public function setInputName($value)
+    {
+        return $this->setName($value);
+    }
+
+    /**
+     * Set "id" for <select> element
+     *
+     * @param $value
+     * @return $this
+     */
+    public function setInputId($value)
+    {
+        return $this->setId($value);
+    }
+
+    /**
+     * Render block HTML
+     *
+     * @return string
+     */
+    public function _toHtml(): string
+    {
+        if (!$this->getOptions()) {
+            $this->setOptions($this->getSourceOptions());
+        }
+        return parent::_toHtml();
+    }
+
+    private function getSourceOptions(): array
+    {
+        $ar = [];
+        $i=1;
+        while($i<=20){
+            $ar[] = [
+                'label' => $i*10,
+                'value' => $i*10
+            ];
+            $i++;
+        }
+        return $ar;
+    }
+}
diff --git a/Block/Onepage/LayoutProcessor.php b/Block/Onepage/LayoutProcessor.php
index a3b72fb..d9b181d 100644
--- a/Block/Onepage/LayoutProcessor.php
+++ b/Block/Onepage/LayoutProcessor.php
@@ -7,6 +7,7 @@
 use Magento\Framework\View\Element\Template\Context;
 use Magento\Framework\Exception\LocalizedException;
 use Flekto\Postcode\Helper\StoreConfigHelper;
+use Magento\Framework\Serialize\SerializerInterface;
 
 class LayoutProcessor extends AbstractBlock implements LayoutProcessorInterface
 {
@@ -16,6 +17,7 @@ class LayoutProcessor extends AbstractBlock implements LayoutProcessorInterface
      * @var array
      */
     protected $jsLayout;
+    protected $serializer;
 
     /**
      * @var StoreConfigHelper
@@ -31,10 +33,11 @@ class LayoutProcessor extends AbstractBlock implements LayoutProcessorInterface
      * @param array $data (default: [])
      * @return void
      */
-    public function __construct(Context $context, StoreConfigHelper $storeConfigHelper, array $data = [])
+    public function __construct(Context $context, StoreConfigHelper $storeConfigHelper, SerializerInterface $serializer, array $data = [])
     {
         $this->storeConfigHelper = $storeConfigHelper;
-
+        $this->scopeConfig = $context->getScopeConfig();
+        $this->serializer = $serializer;
         parent::__construct($context, $data);
     }
 
@@ -236,26 +239,26 @@ private function _changeAddressFieldsPosition($addressFields): array
         if (!$this->storeConfigHelper->isSetFlag('change_fields_position')) {
             return $addressFields;
         }
+        $fieldsPositions = $this->serializer->unserialize($this->scopeConfig->getValue('postcodenl_api/general/address_fields_positions'));
 
-        $fieldToSortOrder = [
-            'country_id' => '900',
-            'address_autofill_intl' => '910',
-            'address_autofill_nl' => '920',
-            'address_autofill_formatted_output' => '930',
-            'address_autofill_bypass' => '935',
-            'street' => '940',
-            'postcode' => '950',
-            'city' => '960',
-            'region' => '970',
-            'region_id' => '975',
+        $flektoFields = [
+            'address_autofill_intl',
+            'address_autofill_nl',
+            'address_autofill_formatted_output',
+            'address_autofill_bypass'
         ];
 
-        foreach ($fieldToSortOrder as $name => $sortOrder) {
-            if (isset($addressFields[$name])) {
-                $addressFields[$name]['sortOrder'] = $sortOrder;
+        foreach($fieldsPositions as $data){
+            $name = $data['addressfield'];
+            if($name == 'postcode_nl'){
+                foreach($flektoFields as $i => $field){
+                    if(isset($addressFields[$field])) $addressFields[$field]['sortOrder'] = $data['position']+$i;
+                }
             }
+            if(isset($addressFields[$name])) $addressFields[$name]['sortOrder'] = $data['position'];
         }
 
+
         return $addressFields;
     }
 }
diff --git a/etc/adminhtml/system.xml b/etc/adminhtml/system.xml
index f9e622f..68a609e 100644
--- a/etc/adminhtml/system.xml
+++ b/etc/adminhtml/system.xml
@@ -52,6 +52,22 @@
                     <comment/>
                     <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
                 </field>
+                <field id="address_fields_extra" type="textarea" sortOrder="90" showInWebsite="1" showInStore="1" showInDefault="1" translate="label">
+                    <label>Address extra fields</label>
+                    <comment>The fields must be saved in order to be used for sorting bellow. Use one field per line</comment>
+                    <depends>
+                        <field id="change_fields_position">1</field> <!-- Show this field if 'change_fields_position' is set to "Yes" -->
+                    </depends>
+                </field>
+                <field id="address_fields_positions" type="select" sortOrder="100" showInWebsite="1" showInStore="1" showInDefault="1" translate="label">
+                    <label>Address fields positions</label>
+                    <comment/>
+                    <frontend_model>Flekto\Postcode\Block\Adminhtml\Form\Field\AddressColumns</frontend_model>
+                    <backend_model>Magento\Config\Model\Config\Backend\Serialized\ArraySerialized</backend_model>
+                    <depends>
+                        <field id="change_fields_position">1</field> <!-- Show this field if 'change_fields_position' is set to "Yes" -->
+                    </depends>
+                </field>
             </group>
 
             <group id="advanced_config" showInDefault="1" showInStore="1" showInWebsite="1" sortOrder="30" translate="label">