I next street Frakkastigur you find a very good bakery, Brauð & Co, open from early morning. On Skolavordustigur you find Kramabudin, convenience store open 24/7. For good price supermarket there is a Bonus store on Laugavegur. For dry cleaning and laundry check Udafoss on Vitastigur.
And do not pass visiting Sundhollin, indoor and outdoor swimming pool, within 5 minute walk.