Aluminium Casement Windows
Slim aluminium casement windows made to your exact sizes. Choose from 76 styles, standard or bespoke RAL colours, glass and hardware, and see your price update as you go.
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Check size
1. How many panes across?2 panes
2. StyleSide opener + fixed
Pick the style that matches your window, as seen from outside.
3. Size
Overall frame size in millimetres. Width 700–1800 mm, height 400–2000 mm.
Mullion & transom positions
Viewed from outside, in mm. Mullions are measured from the left-hand edge of the frame to the centre of the mullion (standard: 610 mm side openers). Transom drop is from the top of the frame to the centre of the transom (standard: 375 mm).
Pane widths: 610 mm · 590 mm
4. Outside colourAnthracite Grey (RAL 7016)
Standard RAL colours at no extra cost, or any bespoke RAL colour for 30% more.
5. Inside colourAnthracite Grey (RAL 7016)
White, Anthracite Grey, Black and Agate Grey are all the same price, inside and out, in any combination.
6. Trickle vents
Fitted in the opening casements, or in the top casements on styles with opening fanlights.
7. Cill
Fitted below the frame and cut to the window width. The height you entered is the frame height, not including the cill.
8. Glass
9. Glazing bars & leads
Laid out to suit each pane. Georgian bars sit inside the sealed unit; astragal bars are fixed to the glass for the look of separate panes.
Bars
Leaded
10. HandlesBlack
11. Friction hinges
For side-opening casements. Egress hinges open the sash wide for a fire escape route; easy-clean lets you reach the outside of the glass from inside. Top openers have standard hinges.