New software allows users to easily report crimes via a smartphone.
London is third worst city in Britain for car crime, and the only southern city to appear in the top ten.
The family of murdered schoolboy Jimmy Mizen said they were "determined" that something positive should come from his death.
Seven people have been arrested on suspicion of murder after a body was found down a seven-foot well in Surrey.
Police are still trying to recover the body from a front garden in Audley Drive in Warlingham.
A diving team has been called to the scene.
Detective Chief Inspector Cliff Lyons confirmed that residents on the street where a body has been found in an ornamental well outside a house had previously "expressed concern" about the the people who lived there.
Asked about claims by local residents that there had been trouble over the past couple of years with the people who lived in the house, and that police had been called many times, he said: "The residents have expressed concern, there is intelligence to support that notion, yes."
He said removing the body would take at least the best part of today.
The body recovered from an ornamental well in a Surrey garden had not been there for more than a matter of weeks, Detective Chief Inspector Cliff Lyons told reporters at the scene.
He said: "It's not been there for an extended period of time, it will be a matter of weeks at the most."
He was not prepared to discuss who lives in the house, or a suggestion that the body was wrapped in carpet. He could not confirm or deny whether the body was intact.
Seven people have been arrested on suspicion of murder after a body was found in a well in Surrey, police have confirmed.
A diving team is being called in to recover the body from the front garden of a house in Audley Drive, Warlingham.
Police have launched a murder investigation after gardeners discovered a body in a well in Warlingham, Surrey.
Officers were called to the scene in the front garden of a house on Audley Drive.
– Detective Chief Inspector Cliff Lyons
It is a murder investigation. As far as I am concerned, when a body is found in a well, it either fell in there, or was placed in there, and the evidence is apparent that the body was placed in there."
The gardeners were doing clearing work when they found the body at the large house, which stands in an acre of grounds in an affluent area.
– Detective Chief Inspector Cliff Lyons
The body presents a number of logistical challenges. Thewell is two feet in diameter, it is seven feet deep to the water line, and thewater is approximately four feet deep.
"Weneed a police marine diving team, with breathing apparatus, and we need to recover the body intact to preserveforensic evidence. The process of recovery is likely to take some time."
He declined to speculate on how long this might be, but said itwas not going to be a quick recovery.
Police are investigating after a body was discovered in a well in south London.
Officers were called to outside an address in Audley Drive, Warlingham, shortly before 2pm yesterday.
The Homicide and Major Crime Command is investigating.
– Metropolitan Police spokesperson
The body, which is an adult, is currently unidentified.
A post-mortem examination will be arranged in due course."
The death is being treated as unexplained.
A teenager has been jailed for murdering a vulnerable elderlyresident inside her sheltered accommodation.
88-year-old Margery Gilbey was attacked at Sonali Gardens in Shadwell earlier this year.
18-year-old Imran Douglas from Romford pleaded guilty to strangling and stabbing the pensioner before ransacking her room.
Today a judge described it as a wholly gratuitous and callous crime before jailing the teenager for 18 years.
Philippa Tomson reports.
An arrest warrant has been issued for terror suspect Mohammed Ahmed Mohammed, after he failed to appear in court.
He faces 20 charges for breaching terrorism prevention orders before he disappeared.
The 27-year-old has been missing since Friday, when he left Acton mosque disguised in a burka.
A Haringey grandmother who exaggerated her injuries, in a bid to claim £750,000 of compensation from a housing association, has been given a three-month prison sentence.
Barbara Fari claimed she was so injured she could only shuffle down stairs on her buttocks.
The Mayor of London will review the Met Police's performance in tackling crime in the capital at a meeting of the Mayor's Office for Policing and Crime's Challenge Board today.
Boris Johnson will chair the board, which will focus particularly on the Met's progress in achieving a 20% reduction in crime, which is one of the key targets set out in MOPAC's Police and Crime Plan.
The Mayor and Stephen Greenhalgh, Deputy Mayor for Policing and Crime, will put questions to the Met's Deputy Commissioner and Deputy Assistant Commissioner.
The Met recorded 728,185 crimes in London in the year to September 2013, which is nearly 70, 000 less than the previous year.