Refurbishment and Restore Issue 12 2018 | Page 60

heating demand and limited heat loss. What heating is required, is provided by efficient under floor heating, keeping operating temperatures low and maintaining a steady internal environment. This is augmented in the winter by a wood burning stove. The predominately East facing extension allows for passive solar gains in the winter with the sun warming the space in the morning. Conversely the orientation of the building and the position of the brick chimney provides shading on warm summer afternoons. Full-height double glazing on all three sides of the plan make the most of natural light limiting the need for artificial lighting. Low energy LED lights are used throughout, keeping energy demand low. In all aspects, the extension was designed to be as low-maintenance as possible, which adds to the sustainability of the project: the exterior surfaces consist of bronze standing seam for the roof, brick for the walls, and highly insulated double-glazed window units - none of which require any maintenance or treatment. Site waste was limited wherever possible; reused or recycled, and remaining waste disposed of responsibly. Materials were selected for their renewable qualities and low maintenance requirements. www.obarchitecture.co.uk Images:Martin Gardner 60 - www.refurbandrestore.co.uk