Your boiler isn’t yours — your bill is.
Three things every renter in London can do this week without buying anything, without asking the landlord, and without losing a single degree of comfort.
The Renters’ Cool Down zine, a quick energy calculator and four corporate pledge templates. Use, fork, print, share.
8 pages · A6 saddle-stitched · printed on uncoated 100% recycled stock by a B-Corp printer in Bermondsey. Free at the venue; open the PDF below.
Three things every renter in London can do this week without buying anything, without asking the landlord, and without losing a single degree of comfort.
Trapped air = cold tops, hot bottoms = boiler working overtime. Five minutes, one key, £80–£120 saved over a winter. No landlord permission required.
WHO recommends 19°C in living rooms, 18°C in bedrooms. Every degree above 21°C adds about 10% to your heating bill — and nothing to your comfort if you’re wearing a jumper.
A simple plug-in timer (£8 at any hardware shop) cuts more emissions than the smartest thermostat you forget to programme. Heat the rooms you’re in, when you’re in them.
Section 11 of the Landlord and Tenant Act 1985 requires your landlord to keep heating in working order. Cold flat ≠ tenant problem. Template letter on page 06.
Dear [landlord], the temperature in my main living room has been measured at [X]°C on [dates] using a [device]. UKHSA guidance identifies 18°C as the minimum safe threshold. I am formally requesting…
Template asking your landlord for permission to fit a radiator-mounted thermostat (no boiler modification, fully reversible). Most landlords say yes when it’s framed as ‘I’ll pay; you keep it.’
Average London shared flat (2 bed, 2 occupants, gas heating, average insulation): 21°C all winter = £1,820. Same flat at 19°C with schedules = £320 less. Add bleeding, draught strips and one smart TRV: £1,500 cheaper per year.