Semi-detached house extension, Douglas, Cork.

This is a timber frame house extension and a full alteration to the house with external wall insulation.

a permanent  a demand control ventilation system was installed for a permanent good air quality, no dampness on bathroom wall and ceiling,

no maintenance cost.

Air tigtness was improved with membrane and taping.

New high condensing gas boiler and solar thermal hot water system.

The house was D1 and is now A3