Researchers are developing an hourly weather forecast for the next 85 years - predicting extreme conditions such as heat waves and cold snaps across the UK.
The project, by the University of Bath and Exeter University, aims to help scientists and engineers understand how building designs react to different weather conditions.
Predicated weather conditions will be forecast until 2100, representing typical weather and events such as lightning strikes, rain, flooding and tornadoes.
These will be tested on more than 1,200 building designs to establish how external temperature, wind and sun cause issues for people living inside, such as over demand on heating and air conditioning.
The team, led by Professor David Coley of the University of Bath, has been awarded a grant of £1m by the Engineering and Physical Sciences Research Council.
"In western civilisations we know the greatest contributor to weather-related deaths are short term extreme temperature changes, including both increases and decreases," Prof Coley said.
"These temporary temperature variations account for more weather-related deaths than all other weather events combined including lighting strikes, rain, flooding, hurricanes and tornadoes.
"It is important that we recognise the role buildings play in responding to and dealing with extreme weather conditions - buildings can keep people alive during extreme weather events, but they can also kill.
"The time series of example hourly weather we are devising in conjunction with testing these variations on different building designs will help us to better develop building designs that can safely and comfortably house occupants and avoid weather-related preventable deaths in the future."
Prof Coley, director of the Centre for Energy and the Design of Environments in the Department of Architecture & Civil Engineering, said more than 70,000 people died across Europe in 2003 due to a widespread heatwave.
He added that the cause of the deaths was not just the extreme weather conditions but the designs of buildings not being resilient enough to cope with them and protect occupants.
There are also growing concerns about what might happen in homes if the energy grid was disrupted during a cold snap, with people left in rapidly cooling homes, he added.
Answering this question is a key element of energy security given the UK's reliance on imported gas and recent political tensions with Russia.
The 85-year forecast will provide an understanding of weather events in terms of duration and temperature, as well as the implications of such an event on a building and its residents.
A spokesman for the University of Bath added: "It is widely accepted that climate change will have a significant impact on UK building design and energy use in the near and distant future.
"With predicted temperature changes being large enough to make some buildings become uncomfortable or even fail certain regulations, the need for a better understanding of future weather trends in relation to building design is imperative in ensuring buildings become sustainable."