if you don't have a sat nav: 

From Central London:

London Underground

Get on the Jubilee Line (grey coloured), Eastbound (destination Stratford). Get off the train at Canary Wharf and exit the station, turning right. Walk up the steps to the road and then turn left, continuing until you reach Canary Wharf DLR station. Go up onto platforms 5 and 6, and wait for a DLR towards Stratford. Get off the DLR at Devons Road. Exit the station, cross over the zebra crossing and turn left. Walk down towards another zebra crossing, cross over this and then turn left, continuing past some shops. You will then be able to see the church, cross over Fern Street before crossing Blackthorn Street which All Hallows is situated on.

OR

Get on the Central Line (red coloured) Eastbound (destination Epping). Get off the train at Mile End station and exit the station. Turn left onto Mile End Road and continue to the cross roads. Here turn left again onto Burdett Road. Continue along this road and from here you have two options:
Wait at the bus stop for the 323 towards Canning Town, get off at Watts Grove and walk all the way around the church to the entrance, 
Or you can continue along Burdett Road until you reach a turning on the left, going into Bow Common Lane. Continue along this road until you reach Devons Road (Look out for the Coral and Nisa shops). Turn left here and continue along until you see the church. Follow the perimeter wall until you reach Blackthorn Street, which All Hallows is situated on. 

Driving from East:

Exit M25 (southbound) junction 30, take the third exit, A13 toward London. Turn right onto A12, (signposted Stratford, Dalston, Bow, Hackney). Branch left and merge onto Devas Street (B140), at roundabout take 2nd exit onto Devons Road, and then turn right into Blackthorn Street.