You should try this plugin.
https://wordpress.org/plugins/insert-pages/
You can insert content of www.test.co.uk/park/leisure-village/overview/ page to www.test.co.uk/park/leisure-village/
You should try this plugin.
https://wordpress.org/plugins/insert-pages/
You can insert content of www.test.co.uk/park/leisure-village/overview/ page to www.test.co.uk/park/leisure-village/