Webservice, json needed - API

General information for the website: Need to a webservice to fetch API, process it and represent as a new API
Description of requirements/features: We need a webservice that retrieves data from here:
http://data.gov.uk/dataset/national-charge-point-registry
It is needed for a mobile app.

Then process on our server - a cached one so no further calls are needed directly to the api and background scheduled task can come along hourly and update the cached json feed.

The first Filtering of the datafeed is to only use entries that are a part of the 'Source London' scheme. In the CSV you can filter them in the X column. Although the filtering breaks with some blank lines in the CSV...

Here are the requirements in a different format:
1- We need to grab feed from DFT
2- Have to setup Cron JOB
3- After grabbing we've to save into database
4- On mobile request we've to compare distance based on user's location and prepare results
5- Send response of prepared json to mobile user