Checking the E20 air…
CheckingReading the Met Office forecast for E20.
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Outside now
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Next 24 hours
Why E20 gets this treatment
Why E20 flats overheat. East Village was built new, sealed tight and wrapped in insulation. That's brilliant for holding winter warmth but awkward in summer, when the same airtightness traps heat you'd rather be rid of. Add large windows, a lot of glass, and communal district-heating pipes running warm through the building, and a flat can sit hotter than the street outside for hours.
What to do about it. On a hot day the outdoor air is often warmer than your flat through the afternoon, so throwing the windows open just invites more heat in. The move is a night purge. Keep windows shut and blinds down while it's hotter outside than in, then open up once the evening air drops below your indoor temperature to flush the day's heat out, and close everything again before the morning warms up. This page makes that call for you, hour by hour, using the Met Office forecast for E20.
A note on MVHR. Many East Village flats have MVHR (mechanical ventilation with heat recovery), which keeps fresh air moving with the windows closed. If yours does, you can seal up through the hottest part of the day without the air going stale.
- How the verdict is made
- Four factors are checked each hour — outside temperature against a 22°C indoor assumption, rainfall probability, air quality index and wind speed. Whichever fails first is named as the blocker.
- Why a night purge
- E20 flats are well insulated and hold heat. Opening wide overnight, when outside is coolest, shifts more heat than opening during the day.
- Nothing to report
- This is the one tool with no resident submissions — it reads the Met Office and DEFRA feeds, so there is no report button and no feed.
