Effectively retrofitting UK housing requires "compromise between performance and heritage" say architects

The UK's ageing houses must be insulated against uncontrolled heat loss, but this will require accepting changes to their appearance, according to a series of British architects who have recently carried out their own energy-led retrofits.
"The majority of homes in the UK were built before we understood about climate change," explained Sarah Wigglesworth, an architect who recently retrofitted her own home in London.
"If we do not insulate our homes and offices we are burning fuel just