List of prevalance of common mental health problems by London borough

Official (UK) labour market statistics. In addition to a standard human-usable web interface, on 2010-03-15 a REST API was released: This is the Nomis RESTful API you can use...

Member organisations of LVSC's Safer Future Communities network with details of boroughs worked in, postcode, area of work and communities worked with

London Skills and Employment Observatory indicator data for all boroughs

Spending data published by Hammersmith and Fulham council; collated from 12 monthly report.

Details of the households on local authority waiting lists.

A statistical "almanac" for London. Data mostly comes from 3rd party sources, especially ONS. All data has been uploaded to google docs (though spread across many spreadsheets...