All resources
Delhi law
26 September 2026 · 5 min read

RWA or AOA — which one does your Delhi building actually have?

Most Delhi buildings run on an RWA registered under an 1860 Act. The Delhi Apartment Ownership Act creates something different — with powers an RWA does not have.

Written by the Societly team

Last verified 26 September 2026 · 3 sources


Ask a Delhi committee what it is, legally, and the answer is almost always "we're the RWA." Ask what that means and the conversation usually stops there.

It matters more than it sounds, because Delhi has two entirely separate legal creatures and most buildings are running on the weaker one without having chosen it.

Two bodies, two statutes, two sets of powers

The RWA — Resident Welfare Association — is a society registered under the Societies Registration Act, 1860. That Act is a general-purpose statute for literary, charitable and welfare bodies. It is not apartment law. An RWA is a voluntary association of residents formed to look after shared interests, and its authority comes from its own memorandum and rules plus whatever its members agree to.

The AOA — Association of Apartment Owners — is created by the Delhi Apartment Ownership Act, 1986, a statute written specifically for apartment ownership. Section 15(1) is not permissive about it: "There shall be an Association of Apartment Owners for the administration of the affairs in relation to the apartments."

The Act applies to every apartment in a multi-storeyed building, which section 3(s) defines as a building containing four or more apartments, on freehold land or a lease of thirty years or more. There is a proviso letting a building of only two or three apartments opt in by executing and registering a declaration.

So for the large majority of Delhi apartment blocks, the 1986 Act is the statute that actually speaks to them — whatever the letterhead says.

The difference that shows up when money is owed

This is where the distinction stops being academic.

Under the 1986 Act, section 19(1) charges common expenses to owners "according to the percentage of the undivided interest of the apartment owners in the common areas and facilities" — proportionate to your share, not split equally per flat.

And section 21 does the thing a welfare society cannot do on its own: sums assessed by the Association "shall constitute a charge on such apartment prior to all other charges except only" government and municipal taxes and amounts unpaid on a first mortgage.

That is a statutory charge attaching to the apartment itself. It is the same mechanism Karnataka associations use under KAOA section 19, and it is the single most powerful recovery tool an apartment association has anywhere in India: the debt follows the flat rather than chasing the person.

An RWA registered under the 1860 Act has no equivalent. It can sue for money owed like any other body can, but it is not sitting on a statutory charge over the defaulter's apartment.

What the AOA route actually requires

The 1986 Act works off registered documents rather than informal practice:

  • A Deed of Apartment. Section 4(3) gives each owner an undivided interest in the common areas "as specified in the Deed of Apartment," determined with reference to the value of the apartment. Your percentage — which decides your share of common expenses — comes from that deed.
  • Defined common areas. Section 3(j) sets out what counts as common areas and facilities, and section 3(q) separately defines limited common areas: those "designated in writing by the promoter before the allotment, sale or other transfer of any apartment as reserved for use of certain apartment or apartments to the exclusion of the other apartments." Note the timing — designated before sale, in writing, by the promoter.
  • Restraint on alterations. Section 11 bars an owner from doing work "prejudicial to the soundness or safety of the property," or adding "any material structure" or excavating an additional basement, "without first obtaining the consent of all the other apartment owners." Not a majority — all. Common area encroachment covers how that plays out in practice.

So should your building convert?

That is genuinely a question for an advocate, not a website, and the honest answer depends on facts we cannot see from here: how your building was sold, whether Deeds of Apartment were ever executed, what your existing RWA's rules say, and what the lease or freehold position on the land is.

What we can say is what to go and check, because most committees have never looked:

  1. Find out what you are registered as, and under which Act. The registration certificate says so. "We're the RWA" is a description, not a finding.
  2. Check whether Deeds of Apartment exist for the flats in your building, and whether the undivided-interest percentages were ever recorded.
  3. Work out which body holds the common areas on paper today — and whether the builder ever conveyed them at all. If that never happened, that is the first problem to solve, ahead of the RWA/AOA question. Central law helps here regardless of your state: see what your association can demand at handover.
  4. Ask your advocate specifically about section 21 and whether your current structure gives you a charge on defaulting apartments or merely a claim against people.

This explains the difference between two statutes; it is not advice about your building. Whether the 1986 Act applies to you, whether to convert, and how to do it are questions for a Delhi advocate who practises property law.

The short version

  • RWA ≠ AOA. An RWA is a society under the Societies Registration Act, 1860 — general-purpose welfare law. An AOA is created by the Delhi Apartment Ownership Act, 1986 — actual apartment law.
  • The 1986 Act covers multi-storeyed buildings, defined in section 3(s) as four or more apartments, and section 15(1) says there shall be an Association of Apartment Owners.
  • Section 19(1): common expenses follow the percentage of undivided interest, not an equal per-flat split.
  • Section 21: unpaid assessments are a charge on the apartment, ranking behind only government/municipal taxes and a first mortgage. An 1860-Act RWA has no equivalent.
  • Section 11: no material structure, excavation or work prejudicial to the building without the consent of all other apartment owners.
  • Go and read your own registration certificate before assuming which one you are.

Sources

Run your society on Societly

Billing, UPI collections, visitors, complaints and accounts in one place. Free forever for societies up to 25 units — no contract, no setup fee.