The UKHSA has warned people to make their homes as cool as possible with temperatures topping 33°C this week

Reducing urban heat islands, greening local areas and using heat pumps for air conditioning can also play a role

The heatwave will peak on Tuesday and it will remain hot throughout the week

Building rules have been focused on keeping warm in winter and saving on energy bills, not cooling down

Health agency says hot weather could have significant impact as temperatures soar to mid-30s celsius

Experts say many new homes being built in the UK not designed to withstand extreme summer temperatures

The country's fourth heatwave of the summer will be at its peak today, with Berkshire, Oxfordshire, and the outskirts of London set to see the highest temperatures.

Homeowners living in new build flats in Tower Hamlets have described the conditions as 'unbearable' while others have recorded temperatures reaching almost 30C.

The UKHSA has warned people to make their homes as cool as possible with temperatures topping 33°C this week

The warnings mean significant impacts on health and social care services