The photo shows a curved Kersey gate with straight side panels, one of which is full height the other is positioned on top of a wall. All constructed in Iroko and finished with oil.
In this instance these made to measure side panels are straight but the can also be made in curved or dipped designs to suit other styles of similar gates.
Woodbridge
Lavenham
 Square Brett

Available in a variety of timbers with different properies click the link here for full details Scandinavian redwood, Sapele, Iroko and Oak.