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What is UDS, and why it matters when you buy a flat in Chennai

When you buy a flat, you also buy a share of the land under the building. That share is called UDS — undivided share. It's one of the most important numbers in your sale deed, and one of the least understood.

What is UDS, and why it matters when you buy a flat in Chennai

By BK Builders ·

How UDS is worked out

UDS is usually shared in proportion to each flat's size. In our Aboorva Rohini building, for example, a 1,090 sq.ft 2 BHK carries 370 sq.ft of UDS and a 1,840 sq.ft 4 BHK carries 626 sq.ft.

Why it matters

Buildings age, but land holds its value. If a building is ever redeveloped, owners share the land by UDS. Small buildings with fewer flats usually give each owner a larger UDS than big towers do.

Before you buy: a quick checklist

  • Title and patta Ask for the parent documents, patta and encumbrance certificate, and have a lawyer check them.
  • Approved plan Check that the building follows the sanctioned plan — number of floors, setbacks and parking.
  • UDS for your flat Your undivided share of land should be written in the sale deed. More UDS means more land you own.
  • Road width and water Wider roads mean easier access and better resale. Ask about borewell depth and Metro water.
  • Build quality Ask what the walls are built with, what sand is used for plastering and which brands go into fittings.

Want to see a flat?

See B.K. Aboorva Rohini or book a site visit with our team.

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