The proposed two storey rear extension will, by virtue of its size, height and location on the party boundary with the adjoining property, have an overbearing impact upon the neighbouring property negatively impacting upon the residential amenity of this neighbour. It is not, therefore, in accordance policy H8 of the Liverpool Unitary Development Plan or the guidance set out in paras 25-26 the Supplementary Planning Guidance Note 1, House Extensions.