The proposed L-shaped dormer extension would lead to visual impact to the rear garden and patio area of No. 68 Oakfield Avenue, which would be harmful to the amenity of this property in terms of outlook. It is considered that the proposal would result in a significant loss of amenity to No. 68 Oakfield Avenue, which would be contrary to policies EV/1, H/17 and CS2 of the Development Plan and the Council's adopted Supplementary Planning guidance on Design.

The proposed alterations from a hipped roof to a gable end, including 2 roof lights by reason of scale, massing and overall appearance would not be sympathetic or subservient in form to the existing dwelling, futhermore it would unbalance the pair of semi-detached properties. The resultant development would appear as an out of character and incongruous feature within the street scene to the detriment of visual amenity. The proposed development would therefore be contrary to Policy CS2 of the Charnwood Local Plan Core Strategy (2015) and saved Policies EV/1 and H/17 of the Borough of Charnwood Local Plan and the Design SPD (2020) which seek amongst other things to ensure that development does not cause harm to the character and appearance of the area and remains compatible in design with the original dwelling. The proposal is also considered to be development of poor design that fails to improve the character and quality of the area and should therefore be refused in accordance with paragraph 130 of the National Planning Policy Framework.