A frequent business type near D Martin is Locksmiths .
The area's Investment Advice firm can advise on investments, savings and trading. All insurance matters are catered to with a firm available closeby. There is a lumber yard in the area for wholesale building material. If you are hungry there are a few restaurants serving the area.
For food stuffs and household goods there is a Grocery Store around to provide. Flat hunters may well find the flat they like, via the neighborhood rental property operator. For PC's, iPads, Macs and Tablets, check out your local Computer Store.