ONE OFF NZEB HOUSE DETACHED GARAGE & CAR PORT IN DUNLEER CO.LOUTH

Floor Area– 350 sq.m + 90 sq. m Car Port & Garage

Brief

5 bed two storey, energy efficient , low maintenance , masonry construction.

Planning

Under local needs qualification area.

Planners liked the simple form & palette of materials .

Design Concept

Contemporary farmhouse, shallow open plan arrangement with dual orientation to maximise solar gain & provide views of scenic location.

Exposed sloping site, so ground was excavated to enable house to be cut into the landscape to provide shelter from prevailing wind, natural dry stone walls were used to  provide shelter, privacy and security by dividing public front garden from private rear  garden, in addition to linking the  single storey Car port/ Garage building with the two storey house.

Simple forms were used with a restricted palette of natural high quality materials – Quartz sandstone walling & granite paving , zinc roofing & cladding , Silicone white render , Aluclad TG windows , composite soffit boarding & screens.

Construction Method

Solid concrete block on flat with External insulation system ( ETICS) combined with Thermal lite blocks at critical junctions to reduce Linear Thermal Bridging ( LTB ) , prestressed  concrete first floor & flat roof , airtightness membranes & taping in conjunction with  airtight plaster finish internally to external walls, triple glazed windows & doors.

Renewables

Air to water electric heat pump for space & water heating used in conjunction with UFH

Mechanical ventilation with heat recovery ( MVHR )

100% Low energy lighting ( LED )

Energy Rating

Preliminary BER A2 – To comply with TGD –L Nzeb

Airtightness target – Q50 <2.5m3/h/m2 to comply with TGD –F

Status

Under Construction- progress  delayed due to C-19 restrictions due for completion summer 2021.