There are calls for the government to make affordable childcare a top priority.
The Daycare Trust Institute says London families continue to be hit hardest by the ever increasing costs of nurseries.
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With just three days to go until polling stations open, representatives from all parties were out in force across the capital today.
The garden above the Canary Wharf Crossrail station is now open to the public.
First time buyers in London now need an average annual income of £77,000 - nearly double the amount required in the rest of the country.