Urban.io humidity, temperature and moisture sensors, installed and supported in the UKDamp and mould monitoring
Find the homes that stay damp while there is time to fix the cause.
Urban.io sensors measure the humidity and temperature in each room and send the readings through their own gateway, with no tenant Wi-Fi needed. You see which homes stay humid for days at a time, and you keep a record of the conditions to support each investigation.
- Relative humidity
- Room temperature
- Leak and moisture sensing
- No tenant Wi-Fi
- Email or SMS alerts
10 working daysTo investigate a significant hazard
24 hoursFor an emergency hazard
Email or SMSAlerts on humid homes
Why monitor damp
Damp is easier to fix before the mould spreads across the walls.
Condensation, leaks and penetrating damp all show up as air that stays humid for too long. Landlords often hear about it only when a tenant reports mould. Sensors show the conditions room by room, so the homes that need a visit stand out first.
1.4 million
Homes in England had a damp problem in 2024, about 5% of all dwellings.
7%
Of social rented homes had a damp problem in 2024, against 10% of private rented homes.
10 working days
Social landlords must investigate a potential significant hazard within 10 working days of becoming aware of it.
Source: Awaab’s Law guidance, MHCLG
24 hours
For an emergency hazard, the investigation and the safety work must both happen within 24 hours.
Source: Awaab’s Law guidance, MHCLG
Awaab’s Law applies to social landlords in England from 27 October 2025, under the Hazards in Social Housing (Prescribed Requirements) (England) Regulations 2025.
How it works
Small wall sensors show how humid each room stays.
An Urban.io humidity sensor measures the relative humidity of the air in the room, and a temperature sensor shows how warm the room stays. A moisture sensor under a sink or boiler picks up water where it should not be.
We choose the homes and rooms.
Start with homes that have reported damp, and the rooms where it shows first.
Sensors go on the wall.
They are fitted with the tenant’s agreement and report through their own gateway.
The dashboard shows each room.
Humidity and temperature are tracked room by room, so long humid spells stand out.
Alerts reach the right team.
Thresholds you set trigger an email or SMS to housing officers or the repairs team.
What you see
A room that never dries out stands out on the dashboard.
Most rooms get more humid at night and dry out during the day. When a room stays above its alert level for days at a time, something is wrong, and the dashboard shows which home and which room to visit first.
- Humidity and temperature per room
- Alert levels set for each home
- Moisture alarms under sinks
- History kept for each investigation
What the readings point to
The pattern of the readings helps point to the cause.
Sensors show the conditions. They do not replace the investigation and repair that the law requires, but they help the surveyor arrive knowing where to look.
Condensation
Humidity that peaks at night in cold rooms.
A pattern that follows the daily routine and the temperature usually points to condensation and ventilation.
Leaks
Water where it should not be.
A moisture alarm under a sink or boiler, or one room humid all day, can point to a leak.
Building fabric
Damp that ignores the routine.
Humidity that stays high whatever the weather or heating does can point to the building itself, which needs a survey.
For leaks inside the home, see leak detection, and for whole estates, the housing and estates page.
Alerts
The right team hears about a humid home before the tenant has to call.
A leak under a sink needs the repairs team today. A bedroom that has stayed humid all week needs a visit and a conversation about heating and ventilation. You decide who hears about which alert.
Notify.
An email or SMS reaches the people you name when a threshold is crossed.
Visit.
The alert names the home and the room, so the visit starts in the right place.
Record.
Every reading is stored and can be exported, which gives each case a history of the conditions.
Home eventsExample feed
Example feed for illustration. Homes, times and readings are not real data.
Where it fits
It suits any landlord who needs to know which homes are damp.
The sensors work in houses, flats and shared buildings, and in homes that are empty as well as occupied.
Housing associations
Large stocks where reported damp needs to be found, investigated and tracked.
Council landlords
Local authority homes, where the survey found damp in 8% of dwellings in 2024.
Supported and sheltered housing
Homes where residents may not report damp themselves.
Student accommodation
Busy rooms with drying clothes and showers, and a turnover of tenants every year.
Build to rent
Managed blocks where one damp flat can affect the ones around it.
Empty homes
Void properties where nobody is there to notice a leak or damp building up.
Repairs and asset teams
Teams who want to see damp across the stock as data, so visits and investment go to the homes that need them most.
Not sure where to start?
Tell us how many homes have reported damp. We will suggest a first group of homes and rooms to monitor.
Why AQUAIOT
We plan, install and support the whole system.
The sensors come from Urban.io, our technology partner. AQUAIOT plans the rollout with you, installs the sensors, connects them and stays with you after go-live.
Choosing the homes
We help you pick the homes and rooms to start with, from your damp reports and stock data.
Installation
Sensors are fitted with the tenant’s agreement, at a time that suits them.
Dashboard and alerts
We set the alert levels with you and choose who hears about each home.
Training and support
Your team learns the dashboard, and we support the system for as long as it runs.
The Urban.io humidity sensor, left, and moisture sensor, right.
The product
The Urban.io humidity sensor watches the air in each room.
It measures the relative humidity of the air around it and sends the readings in near real time through the Urban.io gateway, where thresholds raise alarms by email or SMS.
- Relative humidity of the room
- Near real-time readings
- Email or SMS threshold alarms
- Brings its own network
- Data available through an API
- Moisture and temperature sensors too
Questions
These are the questions housing teams ask first.
Do sensors make us compliant with Awaab’s Law?
No. Awaab’s Law sets duties to investigate and make homes safe within set times. Sensors help you find problems earlier and keep a record of the conditions, but the investigation and the repair still have to happen.
What do the sensors measure?
Humidity sensors measure the relative humidity of the air in a room, temperature sensors measure how warm it is, and moisture sensors detect water where it should not be, such as under a sink or a boiler.
Do the sensors use the tenant’s Wi-Fi?
No. Urban.io sensors report through their own gateway, so nothing connects to the tenant’s broadband or devices.
How many sensors does a home need?
Usually one in each room where damp has been reported, plus the bathroom and the coldest bedroom. We agree the rooms with you, and with the tenant, on the survey.
Who gets the alerts?
You choose. Alerts can go to housing officers, the repairs team or a contractor, by email or SMS.
Can the readings go into our housing management system?
Yes. Readings, history and alarms are available through an API, so they can feed your housing management, repairs or asset systems.
Speak to an expert
Tell us about your homes and we will plan the monitoring.
An AQUAIOT engineer will look at your damp reports, the homes and rooms that matter most and who needs to hear when a home stays humid.
- A first group of homesWe help you choose where to start before anything is ordered.
- Installation with the tenantSensors fitted with the tenant’s agreement and tested on the day.
- One monitoring partnerDamp alongside your leak, Legionella and tank monitoring.
Prefer to talk? Call 02392 233611 or email info@aquaiot.co.uk.
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