South East · cooling
How to cool a home in Portsmouth
Dense pre-1919 stock (~42% of EPC-rated homes) with a high flat share (44%); conversions and solid walls raise both overheating risk and install complexity.
Check your own Portsmouth homeChoose your home type
Summers in Portsmouth, now and ahead
Summers in Portsmouth are getting hotter
Days a year above 30°C, from the Met Office projections for your council area
22001-2020
5At +2.5°C
16At +4°C
- Nights that stay above 20°C
- 0 now, about 2 at +2.5°C
- Cooling demand (degree days)
- 44 to 86 (+95%)
Met Office UKCP18 local-authority projections. Contains Met Office data licensed under the Open Government Licence v3.0.Explore your area



