Depends where you're coming from and how you're getting here...

If you're coming by car, the best place to get directions is: http://www.theaa.com/travelwatch/planner_main.jsp?database=B and enter the postcode ST4 1EG.

Assuming that you're already in Stoke...

From the train station...

Turn right and right at the lights, walk under the bridge and follow the road around to the left, passing the Civic Centre. Follow the road around until you reach Lonsdale Street. Take the first turning on the left, this is Woodhouse Street and 2 Butler Street is on the corner between Woodhouse and Butler Street.

From Stoke's shops...

Walk down Church Street towards the A500. Follow the road around to the right and when you reach reach Lonsdale Street. Take the first turning on the left, this is Woodhouse Street and 2 Butler Street is on the corner between Woodhouse and Butler Street.

From Sainsbury's...

Come out the entrance nearest Stoke's shops. Turn right and walk until you reach the road junction. Walk over into Woodhouse Street and and 2 Butler Street is on the corner between Woodhouse and Butler Street.

Here's a map that might help...