Discharge of Condition No. 3 of DC/22/1105/LBC - Listed Building Consent - Listed Building Consent - Change of Use of Coach House Annexe Building to full residential including internal alterations - details of the replacement staircase (appearance, newels, balusters, handrail, open/closed string), replacement 4-panel doors (appearance, finish and ironmongery) and new window (type of glazing, ironmongery, opening operation, mullion profile)