Rebuilding Rear garden wall

[pwebby34]

Hi I currently have a run down 6'7" (@2 metre) high brick wall with a wooden gate.
I was thinking of knocking down the wall and replacing it with a 8'2" (@2.5 metre) wall, with a 7' x 6'6" garage door in. Would I need to seek permission for this and would I need to build a double skin or build in Piers to make sure the wall was sturdy enough?

 

[freddiemercurystwin]

Yes

http://www.planningportal.gov.uk/permission/commonprojects/fenceswallsgates/

 

[Static]

You can do brick walls upto about 1.8m (6ft) as long as they are 215mm (9") wide without piers.. anything higher will need something to stop it falling over in a heavy gale..