Up grade & extend a semi detached house from D1 to A3 rating

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


Loïc DEHAYE ARCHITECTS ® 2024. All rights reserved.

Loïc DEHAYE ARCHITECTS Proudly powered by WordPress