PVCu Windows & Front Door Sizes and prices: Single casement – 1015 x 755 £50 Single casement – 1015 x 755 £50 Double casement – 1200 x 865 £60 Fixed single casement – 1575 x 995 £50 Fixed single casement – 1330 x 1005 £50 Double casement & top vent – 1800 x 1030 £75 Front door – 2050 x 910 £100 New / unused white PVCu windows and front door, still in their wrapping. 24mm argon filled double glazed. Can be sold individually or.