Survey diagrams and servitudes, explained

Ask most buyers what a "servitude" is and you'll get a shrug. Ask what a survey diagram shows and you'll get the same. Both sit quietly in the background of almost every property transaction — until one of them turns out to matter a great deal.

The survey diagram: your stand's legal shape

The survey diagram is the definitive, legally surveyed record of a stand's boundaries, dimensions and area — distinct from whatever fence, wall or hedge currently marks the property on the ground. Fences move. Walls get rebuilt slightly off the original line. The survey diagram doesn't; it's the reference every other document (title deed, zoning certificate, building plan) ultimately points back to.

This matters most when:

• A boundary dispute arises with a neighbour, and "where the fence is" turns out not to be "where the boundary is."
• You're planning to build close to a boundary and need to know the true buildable extent, not the apparent one.
• A stand has been subdivided or consolidated at some point, and the diagram is the only reliable record of what changed.

Servitudes: rights that run with the land, not the owner

A servitude is a right registered against the property itself — it survives the sale and binds whoever owns the stand next, whether they knew about it or not. Common examples in Johannesburg:

• Municipal servitudes for underground services (sewer, stormwater, electrical) — typically meaning no permanent structure may be built over that strip, regardless of what the stand's zoning otherwise allows.
• Right-of-way servitudes giving a neighbouring property legal access across part of your stand.
• Servitudes of view or light, restricting what you may build so as not to obstruct a neighbour.

None of these are visible from the street. All of them are registered against the title deed and are fully binding on a new owner from the day transfer registers — ignorance of a servitude at purchase doesn't make it go away.

Why this belongs in due diligence, not in the transfer attorney's inbox

By the time a conveyancer flags a servitude during the transfer process, you've typically already agreed a price and signed an offer to purchase. Checking the survey diagram and the servitudes on title before making an offer means a genuine constraint — a municipal easement running through your planned extension, say — informs your offer rather than derailing it after the fact.

On checkproperty.co.za, an erf's survey diagram, registered servitudes and title deed reference are part of the Development potential report — the documents a conveyancer would eventually surface, available before you make an offer rather than after.

The bottom line

A survey diagram and a servitude search won't tell you whether to buy. They will tell you, precisely, what you're actually buying — which is not always identical to what the listing implied.

This is general information, not legal advice. Confirm servitude and boundary detail with a qualified conveyancer or land surveyor before relying on it for a transaction.