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Boundary wall for garden below road level
Does a garden wall below road level need to be a retaining wall? The house is on a hillside and height difference between road and garden varies between 2-5ft approx along the length of the wall. The wall will be approx 100ft long (excluding gates), and about 4ft above pavement level (ie, 6-8ft above garden level). 9" wall given the height I think... Does this need to be a retaining wall as it lies below road level, and does this mean concrete/blockwork? Do I need any permissions from utilities, planning, etc?
The wall will be built just outside existing hedges which are inside my boundary. These can be removed as some are dying.
Sorry for the long-winded question, I am debating whether to get this done before or after extension work to the house. (The extension work will involve earthworks.) Any indication of time required/ costs also appreciated.
You will need to dig a proper footing you can step the concrete up you need to us 200mm concrete blocks below ground level you may loose your hedge
Answered 15th Jun 2013