Arsenal are showing further evidence of their growing financial muscle by pressing ahead with plans to revamp their training facilities.

The club's London Colney HQ and Hale End academy are both set for makeovers as the Gunners look to reinforce their position among Europe's elite.

Work has already begun on the club's Hale End site, which houses the club's up and coming talent, with improvements made to indoor and outdoor facilities.

Youngster Daniel Crowley (centre) is put through his paces at London Colney by Arsene Wenger (right)

Hector Bellerin (left) is chased by Jack Wilshere (centre) during Arsenal's training session on Monday

Plans are also in the pipeline to extend the club's already impressive first-team training base, in Hertfordshire.

Gaining planning permission to redevelop the site could be an potential hurdle towards their hopes of expanding London Colney, however.

Jack Wilshere takes a moment to relax on the turf at Arsenal's London Colney training field during the session

Summer signing Alexis Sanchez laces up his boots before Monday morning's training session

Meanwhile, Arsene Wenger has confirmed Mathieu Debuchy will miss the next three months after undergoing ankle surgery.

The right-back suffered severe ligament damage during the 2-2 draw against Manchester City on September 13.

'He had surgery on Friday and will be out for three months,' said Wenger.

'It is a blow of course, how big it will be we will only know afterwards because it will be down to how well we replace him.'

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Mathieu Debuchy looks anguished after suffering ankle ligament damage against Manchester City