How to deep clean white painted wooden floor

[almostenglish]

We've moved into a new house and the previous owners were total slobs who cleaned nothing on departure (and so it seems for weeks/months).

The lovely white painted wooden floors that we saw during the viewing are now filthy. I've managed to scrub the hallway back to a whitish colour but it took me hours and I've got a few more rooms to go...

Any ideas to make this process more efficient?

Try sugar soap - you can get it in a trigger spray - and make sure you wear gloves as it will dry your hands out otherwise. It's good on stubborn dirt and anything greasy and has no chemical smell.

Thanks. Would you use it neat then? I saw on another thread people talking about various brushes, what's the best one? A nail brush would take forever surely!