Fleet has expanded in the past few decades with new residential areas being built at Ancells Farm, Zebon Copse (in neighbouring Church Crookham) and Elvetham Heath. Due for completion in 2008, Elvetham Heath is one of the UK's largest new housing developments, and will add some 5,000 inhabitants to Fleet's population, bringing its total population up to around 36,000, a 20% increase in less than a decade. Two earlier developments in Fleet involved the opening of a new shopping centre, the Hart Shopping Centre, which was opened officially by HRH The Duchess Of York in 1991. On the same day, she attended the opening of the Hart Leisure Centre on Hitches Lane (towards Church Crookham). The shopping centre was itself developed further in 2001-2.
Although Fleet has traditionally been a dormitory town housing commuters to London, it now has several business parks, mainly occupied by Information Technology companies.
A plan to add a new multiplex cinema was abandoned, a gym was built on the proposed site instead.
The Fleet Pond nature reserve is a notable beauty spot on the northern edge of the town. The 'pond' itself is in fact the largest freshwater lake in Hampshire. In times past, the lake has frozen over permitting skating. Fleet can be reached from London and Southampton via the M3 motorway, the nearest junction being 4A. Fleet services on the M3 lies at the edge of the town. Its main road, Fleet Road, runs through the town centre from south-west to north-east. Fleet station is on the London Waterloo station to Southampton main line. The train service is run by South West Trains (formerly Network South East). Journey time to Waterloo is about 50 minutes. Express trains do the journey in under 40 minutes. There are small airports nearby at Blackbushe Airport and Farnborough Airfield. The Basingstoke Canal connects Fleet to Basingstoke and, in the other direction, London via the River Wey navigation.
The art critic and man of letters, John Russell, was born in Fleet in 1919 .