Summertime overheating in dwellings in temperate climates

Summertime overheating in both new and existing dwellings is widespread increasing, even temperate climates. There an urgent need to solve the problem. Flats (apartments) small dwellings, especially those cities, are particularly at risk. Elderly vulnerable people affected. This briefing note presents current knowledge about this problem what might be done it. It directed planners, designers, policymakers as well local authorities, housing associations other organisations that manage stocks of dwellings. Key findings •The research community others have revealed extent, severity causes summertime dwellings.•Flats, climates, risk overheating. •Methods construction refurbishment global warming making worse.•Overheating affects mortality morbidity, with elderly affected.•Well-established passive heat-protection measures can, most cases, prevent or remove problem.•Examples good design practice being verified through monitoring occupant experience surveys.•Professionals concerned must now focus on keeping them cool summer warm winter.