Writer Sallie Tams has a blog post with a huge amount of solid, good, even great advice about getting on with things. Do read the whole piece but this is one section I especially liked:
YOUR STARTER FOR 15 – what can you do in the next 15 minutes that advances you towards the goal? There are 96 opportunities to do this every day – take just one of them and use it to get one step closer to where you want to be. You will be astonished what you can achieve in 15 minutes. I did this with my extremely derelict and over-grown garden when I moved into this house. Initially I was completely overwhelmed and had no idea where to start but by giving myself 15 minutes every night and a little longer at weekends, got the task done and the results were edible (as you can see above) – how great is that?
Read the full piece.