1/2
1/0
1/0
Stages differ from each individual project, but whether your scheme is large or small it will follow the below basic work stages
(Based upon RIBA Plan of Works)

0 – Strategic Definition

1/0

1 – Preparation and Brief

1/9

2 – Concept Design

1/0

3 – Developed Design

1/7

4 – Technical Design

5 – Construction

6 – Handover and Completion

7 – In use