Can get Andy's contact (Home Aluminium) thru : https://www.facebook.com/homealuminiummetalworks   Just shared my experience in engaging Home Aluminium services: My mum wanted to install a new casement window at her 20 years old flat balcony. There was an old window grilles [cemented] in-place at the balcony. My mum plan to retain the old grilles (if possible) I have contacted 2 x Window contractors (1 of them is Andy).  First contractor gave the quotation just for