By Vicky Shaw, PA Personal Finance Correspondent & Lawrence Matheson The UK’s housing stock lost around £27 billion in value last year, due to higher mortgage costs and financial pressures on households, according to new research.. Despite this, the total value of housing is still about £1.585 trillion more than it was in 2019 before the Covid-19 pandemic hit, says property firm Savills. Savills added that the decline in overall housing values last year was the first since 2012. The total value of all homes across the UK now stands at £8.678 trillion. Lucian Cook, head of residential research …