The City of Cape Town says a tougher approach to illegal construction is beginning to pay off, with several building sites halting work almost immediately after receiving warnings that machinery and equipment could be seized, Cape {town} Etc reports.
The crackdown follows changes to the City’s Municipal Planning By-law, approved by council last year, that now allow officials to impound movable property linked to unlawful construction if stop-work orders are ignored.
This means that developers, property owners and contractors risk losing access to expensive tools, machinery and equipment if they continue building without approval. According to the City, the threat alone has already had an impact.
‘I’m happy to say that in the four cases where we have issued Notices of the intent to impound that the illegal building work has stopped immediately,‘ said the City’s Deputy Mayor and Mayoral Committee Member for Spatial Planning and Environment, Alderman Eddie Andrews.
The notices were served at sites in Diep River, Hout Bay, Milnerton and Mowbray since the enforcement drive officially began in March this year.
Illegal building activity has long been a source of tension in many Cape Town neighbourhoods, especially in rapidly developing suburbs where renovations, extensions and multi-unit developments are increasing. Residents often complain about noisy after-hours construction, blocked pavements, unsafe structures and buildings that appear to ignore zoning rules.
In some areas, disputes over oversized boundary walls and unauthorised second dwellings regularly spill onto local community Facebook groups and WhatsApp forums. The City says enforcement has historically been difficult because legal processes move slowly and some property owners simply continue building while cases drag through the courts.
In many situations, officials also struggle to gain access to sites or even identify the responsible owner.
‘Court processes also take a long time to conclude, and this not only frustrates surrounding neighbours, but the City as well.‘
– Alderman Eddie Andrews, Deputy Mayor and Mayoral Committee Member for Spatial Planning and Environment.
The new impoundment powers are now changing the dynamic, particularly for contractors who do not want their machinery seized because a client failed to secure approved building plans.
Between January and late June 2026, Cape Town received nearly 3 900 complaints related to suspected illegal building activity. The Tygerberg district recorded the highest number of complaints, followed by the Southern district and Mitchells Plain/Khayelitsha.
Most complaints involved people building without approved plans or deviating from approved plans after permission had already been granted. The City also received complaints linked to illegal boundary walls, building rubble and construction work continuing outside permitted hours.
During the same six-month period, officials carried out more than 12 500 inspections across Cape Town and issued 1 384 notices related to unlawful building work. Cape Town currently employs 76 building inspectors, who collectively conduct an average of about 16 000 inspections every month.
Although the City can pursue demolition orders through the Western Cape High Court, officials say the process is lengthy and costly. On average, only two demolition orders are secured each year.
That reality has made alternative enforcement measures increasingly important, especially as Cape Town continues to experience rapid property development and pressure on residential areas. The City believes the tougher stance is already creating a behavioural shift within the construction industry.
‘This is a gamechanger for us,‘ Andrews said, adding that contractors are becoming more cautious about taking on projects where building approvals are not in place.
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