Landlords beware – cannabis farming on the increase

Landlords beware – cannabis farming on the increase

10:28 AM, 16th October 2019, About 3 years ago

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New analysis by Direct Line for Business reveals a surge in the number of police investigations into the theft of electricity, where people have tampered with a gas or electricity meter, so it doesn’t properly record the energy used in England & Wales and its use in cannabis farming.  Analysis of 2019 data reveals that police investigations into the theft of electricity are projected to be 13% higher this year than in 2018. There are expected to be 2,200 cases in 2019 compared to 1,950 in 2018, a rise of 250 cases.  Those tampering with energy meters risk electrocution, severe burns and increase the risk of fire in a property as exposed wires and connections can easily become superheated.

In almost a quarter (23%) of cases, police suspected electricity was being stolen for the cultivation or manufacture of illegal drugs.  Since the start of 2017 there have been over 5,200 cases investigating the theft of electricity, an average of seven cases opened every day.  People can receive a significant prison term for electricity theft alone, with a starting point of 12 weeks’ custody for serious offenders.  For those found guilty of running a cannabis operation, capable of producing industrial quantities for commercial use, a criminal can expect to be jailed for between 4 and 8 years.  

Just three police forces across England and Wales account for nearly a third (32%) of all investigations into the theft of electricity.  Greater Manchester Police handled 14 per cent of all investigations into the theft of electricity since 2017, followed by West Yorkshire Police (12%) and Merseyside Police (7%).  West Yorkshire Police had the highest number of investigations where it was suspected the power stolen was being used for the manufacture of illegal drugs, with 257 (43%) of the 602 theft of electricity cases recorded between 2017 and the end of June 2019 being drug related.

Table one: Police forces with highest number of investigations into energy abstraction

Police force Investigations into the illegal abstraction of electricity


Greater Manchester Police 710
West Yorkshire Police 602
Merseyside Police 376
Lancashire Constabulary 358
Metropolitan Police Service 333

Source:  Direct Line for Business, 2019

The scale of illegal drug cultivation in the UK is reinforced by analysis that shows in the financial year 2017/18 police seized an average of 964 cannabis plants every single day, with a total of 352,000 plants confiscated. Cannabis seizures represented nearly two thirds (72%) of all drug seizures in England and Wales last year, with a total of 98,000 seizures across all police forces.  The Metropolitan Police alone carried out 25,880 seizures related to cannabis, accounting for 26% of the England and Wales total. West Yorkshire Police (3,649), West Midlands Police (3,605) and Sussex Police (3,599) also made significant seizures.

Table two: Police forces with highest number of investigations into energy abstraction related to the cultivation of illegal drugs

Police force Investigations into the illegal abstraction of electricity related to the cultivation of illegal drugs


West Yorkshire Police 257
Merseyside Police 120
Lancashire Constabulary 102
Staffordshire Police 81
South Wales Police 64

Source:  Direct Line for Business, 2019

Sarah Larkin, Landlord Product Manager at Direct Line for Business, said: “Illegal cannabis farms pose a huge threat to the health and security of neighbourhoods across the country and are a major concern for landlords.  Landlords can unwittingly become victim of unscrupulous drug dealers who abuse their properties and transform them into cannabis factories.  Not only can these landlords find themselves involved in a police investigation, but they often have to contend with thousands of pounds worth of damage caused to their properties.”

Analysis of insurance claims data reveals there has been an increase in the number of malicious damage claims resulting from the cultivation of cannabis this year. Insurance claims from landlords whose properties have been converted into illegal cannabis farms account for a third of the total value of all malicious damage claims received. One in every nine landlord claims related to malicious damage because a tenant had been using a landlord’s property for the illegal cultivation of cannabis.

The cultivation of cannabis can result in huge damage to a property, resulting from mould and water leakage from hydroponics and irrigation systems used.  Claims also show criminals tampering with electricity supplies in a property, knocking through walls for ventilation and causing damage by installing fortifications to stop easy access.

Signs a property may be being used as a cannabis farm:

  • The tenant wishes to pay cash upfront for the lease and is keen to discourage any inspections of the property
  • Windows and vents sealed or blocked off to prevent heat or the smell of cannabis escaping
  • Tampering with the electricity meter or wiring
  • Mould, condensation and excess humidity in a property
  • Fertiliser and an excess of gardening equipment for the size of the property’s garden
  • Fortification of the building, such as an increased number of locks or window bars installed
  • Noise and light pollution from ventilation fans and lamps

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