opening size from inside is 490mm wide x 910mm high approx would prefer to sell these as a set of four but feel free to make me individual offers if you only want one or two. PRICE IS FOR EACH WINDOW. SENSIBLE OFFERS WILL BE CONSIDERED ESPECIALLY IF FOR ALL FOUR. buyer to remove and dismantle on collection. AVAILABLE June 2025. Other doors and windows available. see my other listings. FIRST COME FIRST SERVED. CASH ON COLLECTION IS FINE BUT IF YOU WANT TO RESERVE THIS ITEM THEN YOU WILL BE EXPECTED TO PAY A DEPOSIT TO SECURE. ANY QUESTIONS PLEASE LET ME KNOW. measurements are taken inside and are approximate. not including the outside trim etc buy with confidence, 100% positive feedback. trusted seller