If you've ever looked at your rates bill, title deed, or building plan approval, you've likely seen a reference to an "erf number." But what exactly is an erf number, and why is it so important for property transactions in South Africa?
An erf number is the unique identifier assigned to a piece of land within a township or suburb. The word "erf" comes from the Afrikaans word for "plot" or "yard." Think of it as your property's official ID number in the land registration system.
Every registered property in South Africa has either:
While you use your street address for mail and navigation, the Deeds Office and municipalities don't work with street addresses. Here's why:
Your erf number, combined with the township name, creates an unambiguous reference that will never change unless the property is subdivided or consolidated.
A typical erf reference looks like this:
Erf 1234, Sandton Township
Or for a sectional title unit:
Section 5, Sunset Views SS
For farms, you'll see:
Portion 3 of Farm Rietfontein 123, Registration Division JR
Your monthly rates bill from the municipality always includes the erf number. Look for a section labelled "Property Description" or "Erf Number."
Your title deed (Deed of Transfer) contains the full property description including the erf number. If you have a bond, the bank holds the original, but you should have received a copy.
Modern property search tools allow you to drop a pin on a map or enter a street address, and the system will identify the correct erf number automatically. This is the quickest method if you don't have documents handy.
Your local municipality can provide the erf number if you give them the street address. This may require visiting their offices or calling their property department.
You'll need to know your erf number for:
If you own a unit in a complex, your property has two identifiers:
When searching for a sectional title property, you typically need the section number and scheme name rather than the underlying erf number.
In some cases, particularly with older properties or sectional schemes, multiple properties may reference the same erf. This happens when:
In these situations, additional identifiers like section numbers or portion numbers distinguish between the properties.
Not sure of an erf number? Our interactive map search makes it simple. Enter the street address or drop a pin on the location, and we'll identify the correct erf number and retrieve the property information from the Deeds Office.