Energy Efficient Home Extension, St Albans

Energy Efficient Home Extension, St Albans

The project consisted in converting and extending the existing garage into an office and in the addition of  a porch. The existing front door was retained for energy efficiency as research has demonstrated that having two front doors can help save up to 11% in energy bills.  The walls, floors and roof have been super insulated for energy efficiency and for sound insulation.  The objective of the design was to create something that would soften the harsh late 1970s’ look of the original house, while retaining the positive aspects of a home built during an inspirational time for architecture.  Therefore the use of big windows and a skylights, bringing lots of natural light and ventilation into the very deep plan of the new space.  Airtightness was also a concern, as there is no point in super insulating a building if cold air is allowed to penetrate from the outside.  The Contractor was supplied with 1:5 and 1:10 construction details to ensure that the building would get constructed to a high standard without leaving space for any doubts in terms of what materials were to be used and how the design was to be implemented.

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