The London Borough of Barnet is a suburban London borough in North London, England, forming part of Outer London. It's the second biggest London borough by population with 331500 inhabitants and it covers an area of 86.74 square kilometres (33 sq miles), making it the fourth highest. It borders Hertfordshire to the north and 5 other London boroughs. These include Harrow and Brent to the west, Camden and Haringey to the south-east and Enfield to the east. The borough was formed in 1965 from portions of the counties of Middlesex and Hertfordshire. The local authority is Barnet London Borough Council, primarily based in Hendon. The borough covers a group of hills around the northern edge of the London Basin. The bedrock is chalk which is covered with clay. A few of the hills are formed from glacial till deposited at the farthest extent of glaciers during the Anglian glaciation. A lot of the borough is within the Metropolitan Green Belt, and it features a significant variety of parks and open spaces. Moreover, you can find substantial areas taken over by cemeteries and golf courses, and part of Hampstead Heath, Hampstead Heath Extension and Golders Hill Park. Barnet describes its 16 key open spaces as 'premier parks', 9 of which achieved a Green Flag Award for 2008 to 2009. The borough has 67 Sites of Importance for Nature Conservation, eight Local Nature Reserves, and it is jointly responsible with the London Borough of Brent for the Welsh Harp (Brent) Reservoir, which is a Site of Special Scientific Interest. These are listed in 'Nature Reserves in Barnet'. For all your house upgrades, be certain that you utilise trustworthy pros in Barnet to make sure you get the top quality.