From the BEO:
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What we’re hearing…
With the beginning of October, the Estate wide underfloor heating system has now been switched on, and it will stay on until 30 April. In other words, a natural topic to address this week.
Please keep in mind, when the Barbican Estate was designed and built over 60 years ago, it included the provision of background heating for all homes. This principle goes a long way to explaining the cause of many queries and complaints we receive. Here are some of the most frequent questions we find ourselves answering.
What can I expect of the system?
It was, and continues to be, intended as a background heating system, a starting point that enables adjustments to be made to meet resident’s personal preferences.
People’s preferences regarding comfort are infinitely varied – indeed even sometimes within one household. The system provides to all a “background” level of heating which can then be adjusted home by home by our resident engineers, through heating levels being turned up/down, or areas being turned off altogether.
Various factors can affect how each flat on the estate gains and retains heat; aspect of the windows, size of the flat, and layout of the flat, are all key factors to consider. These differences can significantly alter what residents can expect from the background heating system. In most cases, it should not be expected that this system will provide full heating of a flat, particularly during the colder months of the year, and supplementary heating will need to be provided.
How does it work?
The system works with a fairly complicated set of timings and parameters; the system will only come on when external temperatures drop below a set temperature, which changes depending on the time of day. The timings below show the times in which the heating may come on, with the corresponding temperatures showing what external temperatures must fall below in order to activate.
2:30 – 7:30am: 15 Degrees Celsius
1-4pm: 10 Degrees Celsius
8:30pm – 1:30am: 7 Degrees Celsius
The amount of time the heating is then on for, depends on how far temperatures fall below the set trigger point. For example, during the 1-4pm period, if external temperatures are around 8 degrees, the heating may only be on for around 30 minutes during that period, whereas if external temperatures are around 0 degrees, the heating may be on for the full duration. Please note that these are indicative figures to explain how the system works and is not a guaranteed level of heating.
This will mean that, during milder weather, there will be days where no heating is provided at all by the system.
As an individual household, what can I do to adjust the temperature to my preference?
Each flat has a master control mechanism (trimmer) that allows the Barbican Engineers to adjust the heating levels in the flat. The following options are available:
The underfloor heating pads in each room can be set to either the “on or off” position. Some residents for example choose to switch off the heating in their bedrooms.
The overall temperature setting for the flat can be adjusted from low through medium to high, but please note that the chosen setting will apply to the heating in every room where the under floor pads are switched “on” and it is not possible to vary the temperature setting between different rooms.
If residents are still too cold once heating has been set to high, supplementary heating is the responsibility of the resident to provide. Requests for the system to be adjusted should be made via the app, or, by calling the Repairs Desk on 020 7029 3909.
If the system in my flat is not working, who should I contact?
Should there appear to be any failure in the system, this should be reported at once to the Repairs Service Desk 020 7029 3909 during office hours only (8:30am-5pm, Monday – Friday), or via the App. Outside of office hours, contact your Car Park Attendant or Lobby Porter who will contact the Duty Manager for you.
Where can I find more information?
Further information and explanation on how the system works can be found on the City of London website via Barbican Estate repairs and maintenance - City of London or in the Background Under Floor Heating Guide, available here.


