The A rated extension and alteration of the semi-detached 3 bed house
is now completed
The A rated extension and alteration of the semi-detached 3 bed house
is now completed
This is a A rated house build with some of the Passive house guidelines, 70 % of the work progress completed.
The building technique is insulated concrete form block, this is fast to build, great wall u values and airtighness.
The windows alu clad are triple glazed, the roof is made with prefab insulated panel.
The client is targeting the zero Co2 emission, with the future installation of solar pv panel and heat pump.
For more info contact us.
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/
Semi-detached house alteration and attic conversion.
Year of Construction : 1960
Brief : New ground floor layout, attic conversion and high energy efficiency up grade.
Thechnical solutions :
– External wall insulation 120 mm eps, on existing solid concrete block wall
– High efficiency alu clad timber double glazed window on the south facing with large bay window and triple glazed window on the north facing elevation
-Gas boiler, Heat control 3 zones
– Suspended floor insulation and airtighness.
– High level insulation in attic space
– Demand-controlled mechanical extract ventilation with humidity and presence automatic sensors. ( Aereco )
BER rating before D1 after B2
Before After
Semi detached house extension.
Brief : total refurbishment of a 1930 semidetached house, new kitchen /dining/family room open plan, 4 bedrooms, 1 no office, bathroom and en-suite.
Energy efficient Feature to bring the house Rating from D1 to A3 :
-High level of insulation to match the 2012 building regulation
– Airtightness , the air leakage test results is 3.5 air changes per hour using 50 Pascal under pressurisation testing.
– Heat air recovery ventilation system 85% efficiency
– Solar air vacuumed tube and new cylinder for hot water
– Underfloor heating with zoned control
– High condensing Gas Boiler
– A rated double glazed windows and doors, Alu clad From Nord Dan.
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.
– Using reclaimed roof tile for a better integrity
– Reusing existing roof tile of on site previous extension
– Using spread foam soya based insulation, oil free.
– Using recyclable aluminium cladding
– LED lighting
– Airtight stove
– A rated appliances
– Gas Cooker and oven
Before – After
Semi detached house extension at O’Donovan Rossa Road, Cork. ( Working Progress )
Brief : Convert the house for a full wheel chair access including a lift for first floor access,
New open plan kitchen/dining / family room, 5 bedrooms, bath and en-suite, office, utility room, garden landscape.
Before / After
Semi detached house extension.
Brief : total refurbishment of a 1930 semidetached house, new kitchen /dining/family room open plan, 4 bedrooms, 1 no office, bathroom and en-suite.
Energy efficient Feature to bring the house Rating from D1 to A3 :
-High level of insulation to match the 2012 building regulation
– Airtightness , the air leakage test results is 3.5 air changes per hour using 50 Pascal under pressurisation testing.
– Heat air recovery ventilation system 85% efficiency
– Solar air vacuumed tube and new cylinder for hot water
– Underfloor heating with zoned control
– High condensing Gas Boiler
– A rated double glazed windows and doors, Alu clad From Nord Dan.
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.
– Using reclaimed roof tile for a better integrity
– Reusing existing roof tile of on site previous extension
– Using spread foam soya based insulation, oil free.
– Using recyclable aluminium cladding
– LED lighting
– Airtight stove
– A rated appliances
– Gas Cooker and oven