Semi detached house extension.
Brief : Extension of a 1990 semidetached house, new kitchen /dining/family room open plan, 5 bedrooms, bathroom and en-suite.
Energy efficient Feature to bring the house Rating from D1 to B1 :
-High level of insulation to match new part L building regulation
– Solar air vacuumed tube and new cylinder for hot water
– heating with zoned control
– High condensing Gas Boiler
– Large glazed section on the south elevation, A rated double glazed windows and doors.
– Demand-controlled mechanical extract ventilation with humidity and presence automatic sensors. ( Aereco )
Sustainable approach was made for the building process and running :
– Water harvesting system ( 3750 liters ) with U.V filter to extend use of rainwater to the shower and bath.
– Reusing existing roof tile of on site from demolition (existing garage)
– Using Cellulose Fibre Insulation made from recycled newspaper locally.
– LED lighting
– Airtight stove
– A rated appliances


Before – After


See site progress click here : https://www.ldarchitects.ie/maryborough-hill-cork-house-extension-site-progress/