solar panel and battery installation off grid

Job ID: 34591206

Budget: £750 – £1,500 GBP

i already have panels , frames, inverters and panels . I need an engineer to carry out the installatio.n on tne flat roof of a w storey house i. North London.

i wish to remain offgrid so as to avoid to have to submit a DNO so perhaps need to separate the feeds into the house do part if the house is grid piwerec and the remainder is solar powered.