// ContactsController.php
$addresses = $this->get('app.cotnacts_model')->getAddresses($clientid);

$addresschoices = [];
$i = 0;
foreach ($addresses as $t) {
    $addresschoices[$t['address']] = $i;
    $i = $i + 1;
}

$form = $this
    ->createForm(AddContactpersonForm::class, [
        'adreskeuzes' => [$addresschoices]
    ])
    ->handleRequest($request);

[street <nr>, <postalcode> <city> => 0
[street <nr>, <postalcode> <city> => 1
etc...

// AddContactpersonForm.php
class AddContactpersonForm extends AbstractType
{
    /**
     * {@inheritdoc}
     */
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder
            ->add('persoonlijk', PersoonlijkType::class)
            ->add('zakelijk', ZakelijkType::class)
            ->add('OPSLAAN', SubmitType::class, [
                'label' => 'OPSLAAN',
                'attr' => [
                    'class' => 'button'
                ]
            ])
            ->add('ANNULEREN', SubmitType::class, [
                'label' => 'ANNULEREN',
                'attr' => [
                    'class' => 'button-outline'
                ]
            ]);
    }
    public function configureOptions(OptionsResolver $resolver)
    {
        $resolver->setDefaults([
        ]);
    }
}

class PersoonlijkType extends AbstractType
{
    /**
    * {@inheritdoc}
    */
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        // first part of form
    }

    /**
    * {@inheritdoc}
    */
    public function getBlockPrefix()
    {
        return 'appbundle_form_addcontactpersoonlijkform';
    }
}

class ZakelijkType extends AbstractType
{
    /**
     * {@inheritdoc}
     */
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder
        // some fields
        ->add('adres2', ChoiceType::class, [
            'choices' => $options['addresschoices'],
            'expanded' => false,
            'required' => false,
            'label' => 'Address',
            'attr' => [
                'class' => 'form-control'
            ]
        ])
        // some other fields
    }

    public function configureOptions(OptionsResolver $resolver)
    {
        $resolver->setDefaults([
            'addresschoices' => null
        ]);
    }
    /**
     * {@inheritdoc}
     */
    public function getBlockPrefix()
    {
        return 'appbundle_form_addcontactzakelijkform';
    }
}