Gardening & Landscaping

levelling a garden with 3-4 manholes

Anonymous user 09/03/2024 - 2.57 PM

My back garden is very sloped (house at high point and garden slopes down for another 2 metres?), and with 4 manhole covers, one is realy for people to get down for inspection together with another manhole cover these two are at the house's ground level, then the rainwater with a large chamber and another sewers are at the lower level point. I'm looking to build a retaining wall as close to the house as possible (maybe 4-5 metres depending where I measure) to maximum the flat area at the lower level. so the large inspection manhole 's location becomes an issue. How do I find out if these are private and not shared with neighbours, and if can be moved or just sealed? Or if not possible to touch them at all, what kind of a specialist I need to give me advices on the retaining wall depth and how I can best arrange my garden with all this holes? Thanks