Sample Map This atlas of St. Albans and Harpenden features 25 pages of coloured street mapping that extends to include Wheathampstead, Redbourn, Sandridge, Chiswell Green, Park Corner, How Wood, Bricket Wood and London Colney. There is a large scale city centre map of St. Albans. Postcode districts and one-way streets are featured on the mapping. The index section lists streets, selected flats, walkways and places of interest, place, area and station names, hospitals and hospices covered by the atlas.