Seems like a good price.
Also use AW5199 for 5% off making it £284.99. (not tried this myself).
The Sony A450L, complete with 18-55mm lens lets you experience flawless, detail-packed images, teamed with quick, accurate autofocus and high-speed continuous shooting. The high-resolution CMOS sensor assures detail-packed pictures with excellent contrast and gorgeous colours. The Clear Photo LCD screen gives brilliant colour and detail when you?re framing and viewing shots. Capture fast-moving action or the changing expression of a portrait subject with a continuous burst of images. Speed Priority mode shoots at a lightning-fast 7 frames per second!