Six men have been convicted of robbing banks and post offices of over £120,000 around south London.

The robberies in Mitcham, Croydon, Raynes Park, Surbiton, Crystal Palace, Streatham and west Dulwich took place between June 2014 and May 2015.

The venues the gang conspired to rob were:

• Post Office in Lower Addiscombe Road, Croydon, on June 26, 2014
• Lloyds Bank in Croxted Road, west Dulwich, on July 11, 2014
• Barclays Bank in Westow Hill, Crystal Palace, on December 23, 2014
• HSBC Bank in London Road, Mitcham, on December 23, 2014
• Barclays Bank in Coombe Lane, Raynes Park, on December 23, 2014
• HSBC Bank in London Road, Mitcham, on February 12, 2015
• Lloyds Bank in Westow Hill, Crystal Palace, on February 26, 2015
• HSBC Bank in Ewell Road, Surbiton, on March 25, 2015
• Post Office in Lower Addiscombe Road, Croydon, on April 8, 2015
• Natwest Bank in High Road, Streatham, on May 1, 2015.

All six men were already serving prison sentences for their part in robberies when they were convicted at the Old Bailey on Wednesday, January 25. They will be sentenced on Friday, February 10.

Gary Katabarwa, 29, previously of Salters Hill, Lambeth but currently serving in HMP Belmarsh, was found guilty of nine counts of conspiracy to rob, one count of possession of a firearm with intent to cause fear of violence and one count of money laundering.

Shane Perry, 34, previously of Poulett House, Tulse Hill, but currently serving in HMP Belmarsh, was found guilty of five counts of conspiracy to rob, one count of possession of a firearm with intent to cause fear of violence and one count of money laundering.

Reece Perry, 24, previously of Friars Mews, West Norwood, but currently serving in HMP Belmarsh, was found guilty of three counts of conspiracy to rob and one count of money laundering.

Dwayne Ramsey, 35, previously of no fixed address but currently serving in HMP Thameside, was found guilty of six counts of conspiracy to rob and one count of money laundering.

Herbert Kulsumu, 36, previously of no fixed address but currently serving in HMP Belmarsh, was found guilty of one count of conspiracy to rob and one count of money laundering.

Another man, Olukayoade Conteh, 25, who is currently serving in HMP Brixton, pleaded guilty to one count of conspiracy to rob and one count of money laundering at the beginning of the trial. He had already been convicted and sentenced for his part in a robbery at Lloyds Bank in Westow Hill, Crystal Palace, on Febuary 26, 2015 .

Reece Perry, Shane Perry, Kulsumu, Katabarwa and Ramsey were convicted at the Old Bailey in December 2015 of an armed robbery at the Croydon High Street Post Office on May 26, 2015.