CLARENDON STREET - Derry City Council

5.6 Form or shape5.6.1 Townhouses are usually two rooms deep and two to three storeys high, with a oneto two storey back return. Both have double pitched roofs at approximately 35 o . The eavesand ridge line of back returns is lower than those of the main roof.5.6.2 The larger stand-alone buildings are also two to three storeys high and severalhave pitched, slated roofs, often with hips at the endsClues5.6.3 Several examples exist of very large, long buildings of up to three storeys whosepitched roofs integrate successfully into the overall townscape. Their ridge height is relativelylow because the plan depth is quite narrow. City Shirt Factory in Patrick Street is a goodexample. The latter sits comfortably opposite modest two storey workers’ housing Slavishcopying of this traditional signature roof shape is not advocated but refers to it because ofthe clues it offers for contemporary reinterpretation.Potential pitfalls5.6.4 Flat roofs and roof plant rooms are part and parcel of modern buildings. Unlessthey are designed with care, their shape and materials can generate very unsightly viewsfrom a height. It us advisable to avoid the following:- steep pitched roofs on deep plan buildings where these generate excessively bulky,dominant and high roof shapes that do not integrate into the wider roofscape- large expanses of flat roof or partial concealment of flat roofs by applying mansard32. Infirmary Road 31. Former Presbyterian Church, Great James’ Street51