How the building is used shapes the insurance decision
Building regulations assess a property by what happens in each part of it, rather than by the name on the building. That affects the fire safety, escape, structural, ventilation and sanitation measures the property needs. It also gives an insurer the clearest picture of the risk it is being asked to cover.
An office, shop, restaurant, warehouse, factory, clinic, guest accommodation and parking area do not present the same risks. The people using the space, the activities carried out there, the materials kept there and whether people sleep or need help to leave all matter more than the building's overall label.
Where one building contains several different activities, describe each material area separately. A factory with offices, a staff canteen and a parking area is not simply a factory. A small support area can usually be treated as part of the activity it serves, provided it does not create an additional safety risk. This gives the insurer an accurate description instead of a generic one.
The number of people expected in a space also affects the required safety measures. Buildings open to customers, learners, residents or sleeping guests may need more robust escape, alarm and evacuation arrangements than a comparable office. Confirm the building's approved use and capacity with the relevant professionals before a change is made.
Source: National Building Regulations and Building Standards Act 103 of 1977, regulation A20 and Table 1, read with regulation A21 and Table 2 (design population).
The certificate of occupancy, and the certificates it depends on
A building may not be occupied or used until the local authority has issued a certificate of occupancy in respect of it, or has granted written permission for occupation before that certificate is issued. Occupying or using a building without one is an offence under the Act.
The local authority cannot issue that certificate on its own say-so. It must first be in possession of a certificate, issued by a competent person appointed by the owner, confirming that the design and erection of the building comply with the structural requirements. Where the building has fire protection or fire installation systems, equivalent certificates are required for the design and installation of those systems as well.
This is not paperwork with no insurance consequence. A commercial building trading without a certificate of occupancy is unlawfully occupied, and the same set of facts that produces that position - alterations without approved plans, a fire installation never signed off, a structural change never certified - is the set of facts an adjuster examines after a loss. The certificate should be located and read before a programme is placed, and its absence should be disclosed rather than discovered.
Source: National Building Regulations and Building Standards Act 103 of 1977, section 14(1), section 14(2A) and section 14(4).
Change of use is a compliance offence and a disclosure problem at the same time
A building should not be used for a purpose other than the one shown on its approved plans unless it is suitable for that new use. Where that happens, the local authority can require the use to stop, and the owner may be committing an offence.
The commercial versions of this are ordinary rather than exotic. A dwelling that becomes a guesthouse. Offices converted into a day clinic. A warehouse partly converted into a retail outlet or a gym. A factory that stopped manufacturing and now stores third-party goods. Each changes the fire safety and escape requirements that apply.
The insurance consequence runs in parallel and usually arrives first. The building was described to insurers as one thing and is now being used as another. That is a material fact, and it is the sort of fact that only becomes visible at claim stage. Recording the current use accurately, and dealing with any change of use before it is tested, is the cheapest risk management available to a building owner.
Source: National Building Regulations and Building Standards Act 103 of 1977, regulation A25(1) and A25(2).
The risk survey is where building insurance is actually decided
For most classes of insurance, risk improvement is a way of reducing premium. For commercial buildings it frequently determines whether cover can be placed at all. Insurers survey property risks, issue requirements with deadlines attached, and impose warranties and conditions precedent that operate as a switch rather than a discount: if the requirement is not closed out, the cover for that peril is not there.
The requirements themselves are consistent across the market and across building types. A current electrical certificate of compliance covering the installation as it stands today, not as it stood at the last change of ownership. Fire detection and alarm coverage extending into ceiling voids, roof spaces and plant rooms. Sprinkler design that still matches what is stored under it. Fire door integrity and sealed service penetrations, which are the first casualties of any refurbishment. Hot work permit systems for contractors. Housekeeping, waste segregation and storage separation. Thermographic surveys of distribution boards. Water supply, hydrants and access for the fire service.
This is the part of a building programme we take on directly. We interpret what the insurer actually needs to see, prioritise the requirements by the effect they have on terms, coordinate the contractors and certificates, and present the closed-out evidence back to the market in a form an underwriter can act on. It is the single most effective thing a building owner can do to change the terms available to them, and it matters more in a market where capacity for higher-hazard property has tightened.
See how our risk improvement programmes work →
Reinstatement value: what the buildings sum insured has to be built from
The buildings sum insured is not a market value, a municipal value or a purchase price. It is the cost of reinstating the building, and the gap between the two is where average - the proportionate reduction of a claim where the sum insured falls short - does its damage.
A reinstatement figure has to include the things that are easy to leave out: demolition and removal of debris, professional fees for architects, engineers and quantity surveyors, local authority plan approval and municipal charges, the cost of complying with current building regulations where the building could not lawfully be rebuilt as it stood, boundary walls, paving, signage, external services, generators and solar installations, tenant improvements the landlord owns under the lease, and escalation over the period between the valuation and the completion of a rebuild that may take years.
The last of these is why a valuation performed once and carried forward unchanged is the most common cause of under-insurance in commercial property. Construction cost escalation compounds, and a figure that was accurate three renewals ago is not accurate now. A professional reinstatement cost assessment, refreshed on a sensible cycle and adjusted annually in between, is the only reliable basis.
Loss of income: business interruption cover needs to match the real recovery timeline
Property damage is rarely the only cost of a serious building loss. For an owner, the loss of rental income while a building is repaired or rebuilt - and for an owner-occupier, the loss of trading income - can outweigh the cost of the physical repairs. Business interruption (loss of income) cover is designed to respond to this gap, but only if it is structured around the real recovery timeline rather than a generic estimate.
Two figures matter most: the sum insured, built from projected gross rentals or gross profit plus any increased cost of working needed to keep trading or re-let sooner, and the indemnity period - the maximum time the cover will respond for. An indemnity period that is too short is a common and expensive mistake. It needs to cover demolition, redesign where required, procurement and construction lead times, occupation certificates, and the time it then takes to re-let the building or rebuild trading levels - not just the physical rebuild.
Sasria cover: the single most overlooked, and most critical, component
Almost every standard commercial property and business-interruption policy sold in South Africa contains an exclusion for loss caused by riot, strike, public disorder, civil commotion, and malicious damage connected with these events. Insurers price and reinsure this exclusion deliberately - these are catastrophic, correlated risks that an ordinary private insurance market is not designed to absorb on its own.
Sasria SOC Ltd exists precisely to fill this gap. It is a state-owned company, wholly owned by National Treasury and licensed as an insurer under the Insurance Act 18 of 2017, and it is the only non-life insurer permitted to provide this special risk cover in South Africa. Sasria cover is voluntary rather than compulsory by law, but it is sold as an extension - a 'coupon' - attached to an existing commercial policy, which means it is only as good as the underlying policy it is attached to.
Two mistakes are common and expensive. The first is a mismatch between the sums insured on the main policy and the Sasria coupon, leaving a building or its contents only partially covered for a riot or strike loss even though the fire cover is adequate. The second, more overlooked mistake, is failing to extend Sasria cover to business interruption: Sasria's business-interruption cover attaches to, and depends on, the underlying business-interruption section, so a building with a Sasria material-damage coupon but no Sasria business-interruption coupon can still face an uninsured loss of rental or trading income after a riot, strike or public-disorder event.
Source: Insurance Act 18 of 2017; Sasria SOC Ltd, the state-owned special risk insurer for South Africa (FSP licence 39117).
The liability component: when someone is hurt on, or by, the building
A commercial building creates an ongoing liability exposure independent of the property-damage risk. Owners, and often managing agents, can face a claim for bodily injury, illness or death, or damage to third-party property, arising from the common areas, structural condition, maintenance failures, or the way contractors, tenants, visitors and the public interact with the building.
This exposure sits alongside, not instead of, obligations under the Occupational Health and Safety Act 85 of 1993 and the National Building Regulations and Building Standards Act 103 of 1977, which place safety and compliance duties on the building's owner or person in control of it. A liability claim and a regulatory compliance failure are different things, but the facts behind one often surface the other.
Source: Occupational Health and Safety Act 85 of 1993; National Building Regulations and Building Standards Act 103 of 1977.
Read our public liability insurance guide →
Specialist equipment: solar, machinery and plant need their own line of cover
Many commercial buildings now carry meaningful value outside the structure itself - solar panels, inverters and battery storage installed to manage load-shedding, standby generators, lifts and escalators, HVAC plant, and machinery or equipment installed on site for a tenant's operations. A buildings sum insured calculated on the structure alone will typically understate the true replacement cost once this equipment is added, which is one of the more common causes of under-insurance discovered only after a claim.
Solar and battery installations need a current electrical compliance certificate. Roof-mounted panels also need a structural assessment confirming that the roof can safely carry them. Machinery, plant and standby generators are often better suited to dedicated engineering cover than a standard buildings policy, because mechanical and electrical breakdown differ from fire, storm or riot. Each item should be identified, valued and disclosed rather than assumed to fall within the general buildings sum insured.
Source: SANS 10142-1 (wiring of premises); SANS 10400 (building design and structural standards).
Factories, warehouses and industrial buildings
Industrial property is assessed by what happens inside it rather than by what it looks like. Manufacturing, storage, plant rooms and parking may all require separate descriptions. The process, the materials stored and the height at which they are stacked all affect the fire risk, and a sprinkler system designed for one storage arrangement may not protect another.
Flammable liquid quantities, hot work control, housekeeping, plant and machinery replacement lead times and the Sasria exposure on both damage and income are the recurring issues.
Factory, warehouse and industrial building insurance →
Office buildings
An office block is rarely only office space. Parking, plant rooms, a ground-floor restaurant and retail units should each be described separately because they carry different risks from the floors above them.
Fit-out ownership under the lease, loss of rental income measured against realistic re-letting time, standby power and solar installations, and common area liability are where office building programmes are usually tested.
Office building insurance →
Retail and shopping centres
Retail spaces differ according to their size, use and the people who have access to them. Shops open to the public need particular attention because they can hold large numbers of customers at busy times.
Turnover rent in the rental sum insured, loss of attraction and prevention of access extensions, the shopfitting layer between landlord and tenant, and Sasria cover sized against the July 2021 experience are the questions that matter most.
Retail and shopping centre building insurance →
Hotels, guesthouses and restaurants
Hospitality has an important capacity threshold: a property offering guest accommodation within a dwelling is limited to 16 sleeping guests before different building requirements apply. A guesthouse that grows beyond that point should confirm its approved use, safety arrangements and insurance with the local authority and insurer before taking further bookings.
The recurring problem in this class is a dwelling that became a guesthouse without the change of use ever being addressed, followed by kitchen fire risk, thatch and timber construction, seasonal income and guest liability.
Hotel, guesthouse and restaurant building insurance →
Hospitals, clinics and consulting rooms
Consulting rooms are treated differently from hospitals and care facilities. Buildings where patients sleep, receive ongoing care or cannot leave without help need a fire and evacuation plan designed around those patients rather than a normal office evacuation.
Fire-resistant separation between areas, standby power, medical gas, equipment lead times, cold-chain stock and the boundary between premises liability and clinical negligence define this type of risk.
Hospital, clinic and consulting rooms building insurance →
Schools, colleges and universities
Teaching buildings can hold large numbers of learners in a small area, so escape, alarm and evacuation arrangements are critical. A campus also includes many different spaces, from halls and chapels to residences, libraries, laboratories and workshops, each with its own risk profile.
Holiday vacancy, learner and student liability, the different position of public and independent schools, boarding facilities and an indemnity period measured in academic terms are the issues specific to education property.
School, college and university building insurance →
COMMON QUESTIONS
Commercial building insurance questions, answered clearly.
What is commercial building insurance?
Commercial building insurance concerns the property exposure of non-residential or income-producing buildings. The precise scope of insurance depends on the building, its use, the policy wording and the insurer's underwriting decision.
Why does the building's use matter to an insurer?
Building regulations and insurers look at what happens in each part of a property, not simply the building's name. The use of an area affects the fire safety, escape, structural and ventilation measures it needs, and helps the insurer understand the risk it is being asked to cover.
Can one building contain different types of risk?
Yes. A property can include offices, retail space, storage, parking, plant rooms or accommodation. Where areas have materially different uses, each should be described separately. A small support area can usually be treated as part of the activity it serves if it does not introduce an added safety risk.
Does a commercial building need a certificate of occupancy?
Yes. A building may not be occupied or used until the local authority has issued a certificate of occupancy, or has granted written permission for occupation beforehand, and using a building without one is an offence. The local authority must first hold a certificate from a competent person confirming compliance with the structural requirements, and equivalent certificates for any fire protection and fire installation systems.
What happens if a building's use has changed?
A building should not be used for a purpose other than the one shown on its approved plans unless it is suitable for that new use. This can be a compliance issue and it is also important information for an insurer, because the building may have been insured for a different activity.
Which building types do you cover?
We work across factories, warehouses and industrial property, office buildings, retail and shopping centres, hotels, guesthouses and restaurants, hospitals, clinics and consulting rooms, and schools, colleges and universities. Each has its own guide setting out the classification, survey requirements and cover issues specific to it.
Is market value the same as a commercial building sum insured?
Not necessarily. Market value can be influenced by land, location and demand, while an insurance value is generally related to the cost of reinstatement and other policy-specific considerations. A suitable valuation basis should be discussed with the relevant professionals.
Is Sasria cover compulsory in South Africa?
No. Sasria cover is voluntary, not a legal requirement. It is, however, the only cover available for riot, strike, public disorder and civil commotion losses, which standard commercial property and business-interruption policies specifically exclude - making it a practical necessity rather than a legal one.
What does Sasria actually cover?
Sasria SOC Ltd, the state-owned special risk insurer, provides cover for loss caused by riot, strike, public disorder, civil commotion, and related malicious damage and terrorism. It is sold as an extension attached to an existing commercial policy, rather than as a standalone policy.
Why does the Sasria sum insured need to match the main policy?
Sasria cover is issued as a coupon attached to the underlying policy. If the Sasria sum insured is lower than, or does not mirror, the main policy's sums insured, a riot or strike loss can be only partially covered even where the equivalent fire cover is adequate.
Does Sasria cover loss of income from a riot or strike?
Only if a separate Sasria business-interruption coupon has been arranged, attaching to the underlying business-interruption section. A Sasria material-damage coupon on its own does not extend to loss of rental or trading income.
How should the business interruption indemnity period be selected?
It should reflect the real recovery timeline - demolition, redesign where required, procurement and construction lead times, occupation certificates, and the time needed to re-let the building or rebuild trading levels - not just the physical rebuild period.
Do solar panels and generators fall under standard buildings cover?
Not automatically. They typically need to be separately identified, valued and disclosed, and may be better suited to a dedicated machinery-breakdown or engineering class of cover, supported by the relevant electrical and structural compliance certificates.
How does a risk-management programme affect commercial building insurance?
Documented fire protection, security, maintenance and compliance can support broader policy terms, fewer warranties, a more competitive premium, and in some cases the ability to secure adequate cover at all where insurer capacity is restricted.
Why does tenant information matter?
Tenant activities can affect fire, liability, security and business-interruption exposure. Accurate occupancy information gives insurers a more reliable basis on which to assess the building.
