1) The Home Office collects and publishes information on the number of police officers, broken down by Police Force Area, on a bi-annual basis, in the ‘Police Workforce, England and Wales’ statistical bulletin, which are available here:
Data at lower levels of geography are not held centrally.
2) The Home Office collects and publishes recorded incidents of violent crime at Community Safety Partnership (CSP) level. Hounslow is the CSP which covers the Feltham and Heston constituency. These data are available here: