Checking the Kotook Greenness Index Before You Buy Off-Plan in the UAE

If you are paying for a home before it is built, the brochure and sales team are often your main source of information about running costs, rental appeal, and resale value. The Kotook Greenness Index (KGI) gives you a structured way to read that information. It scores a project from 30 to 100 across 11 weighted categories, using only what the developer has disclosed. 

For a buyer or investor, the useful question is not whether a project sounds green. It is which features will change your monthly costs and your returns over the years you own the unit, and which of those features the developer has not yet proven. The Kotook Greenness Index belongs to Kotook, and all rights to it are theirs.

What the Greenness Index Means for Your Purchase

The first benefit is a clearer comparison. Two towers in the same district can look similar on paper, but the Kotook Greenness Index separates a project with documented energy and water systems from one that only offers general promises. You see the score, the categories behind it, and where the developer has provided evidence.

The second benefit is protection against weak claims. A disclosed claim can support a preliminary score, but its verification status stays attached to the result. If a developer has not provided details on a system, that category stays at its baseline. You are not told the system is poor, only that you have not yet seen proof.

The third benefit is a list of concrete questions. Instead of asking a sales agent whether a building is sustainable, you can ask about specific systems, source documents, and whether each feature is planned, under construction, or complete. Those answers shape the decision far more than a general label does.

How the 11 Categories Divide the Score

Every project is assessed across 11 categories, each with a fixed weight.

Energy efficiency sits at the top with 18 percent. Water efficiency, green spaces, smart building systems, and sustainable design each carry 12 percent. Materials, indoor environmental quality, waste, transportation, and certifications share 6 percent apiece, and health and well-being close the list at 4 percent. The heaviest categories cover how a building uses energy and water, along with the land around it.

Working Through a Real Calculation

Running the numbers is the quickest way to understand the Kotook Greenness Index, and the arithmetic is simpler than most people expect.

Projects A and B below are hypothetical. Each category starts at the 3.0 baseline and can rise in half-point steps up to 10.0. Multiply a category’s score by its weight, divide by 10, and add the 11 results together.

Hypothetical category scores, contributions, and index results for two projects

Project B has the stronger design score, yet Project A wins on energy and water. That’s the weighting at work; a half-point gain in energy adds 0.9 points, while the same gain in well-being adds only 0.2.

Evidence coverage tells a separate story. Project A has support beyond the baseline in 8 of 11 categories; Project B in 5. Coverage counts categories, not strength, so a project can post high coverage built on thin claims.

Three Things the Index Is Not

Every index has limits, and this one states its own in plain language.

• It is not a certification. Registration or pre-certification counts as a status, not a final award. For certified results, check schemes such as Abu Dhabi’s Estidama Pearl Rating System or Dubai’s Al Sa’fat.

• It is not a percentage. Every category starts at 3.0. A score of 30 does not mean 30 percent of sustainability requirements are met.

• It does not measure real-world performance. A higher score reflects stronger disclosed evidence, not proof of lower energy use. Renderings alone cannot prove savings.

What the Greenness Index Means for Buyers

If you’re considering a purchase, treat the index as a list of sharper questions for the developer, not a final answer.

Many buyers looking at off-plan projects in the UAE never see the technical documents behind the brochure. Ask what each claim rests on.

Does a higher score mean a better resale price? The methodology doesn’t link scores to prices or returns, so no index can tell you what a unit will be worth. What it can do is expose gaps. If a developer’s sustainability pitch rests on the phrase “green living,” the rulebook treats that as a generic claim that earns no uplift. The energy category stays at 3.0, leaving an 18 percent weight empty.

How to Check a Developer’s Sustainability Claims

You don’t need an engineering degree to test a developer’s claims, only the habit of asking for specifics.

• Ask which specific capability is claimed, such as low-flow fittings or smart irrigation. Words like “AI-powered” or “world-class” can’t be verified.

• Ask for the source document and page number, so you can confirm the claim appears in technical documentation, not only in a sales deck.

• Check each measure’s status. Planned, targeted, and completed are different, and a targeted certification is not a final one.

• Ask whether a feature appears only in renderings. An image can show a green wall, but it can’t prove how much energy the building will use.

The Kotook Greenness Index is owned by Kotook. All rights to the index, including its categories, weights, scoring bands, and method, belong to Kotook. Kotook devised these features. Anyone who wants to use this method, in whole or in part, should ask Kotook for permission first.