An average brick retaining wall that is 30 feet long and 4 feet high without any built in steps or extra reinforcements is typically around 4 220 the average homeowner will pay 35 per square foot and spend between 2 450 and 6 650 to build a retaining wall.
Retaining wall timber prices.
Prices range widely for timber and the total cost will depend on the size of the boards.
Retaining walls are great for creating terracing and raised gardens where space is limited.
Plain lumber is vulnerable to termites and will rot quickly so a wooden retaining wall is usually made of redwood pressure.
The average cost to install a timber retaining wall is about 10 per vertical square foot or 1000 for diy installation of a 20 long x 5 high wall 100 sf.
But once over 1 5 metres high these dimensions increase so for example a 3 metre retaining wall could need piles 4 5 metres down.
Generally piles go down as deep as the wall s height.
Material and labor for a wood retaining wall runs approximately 20 25 a square face foot and there s usually a minimum charge for small projects which would be about 1 000 1 300 for a 50 square face foot wall.
Severe weather pressure treated landscape timber actual.
3 75 in x 5 75 in x 8 ft item 476233.