Pattaya Condo Project Density and Shared Space

A 376-home scheme can occupy 12 rai, while another with 427 homes fits onto 3,715 square metres. Northpoint and ONCE Pattaya are close in apartment count but very different in how much land sits behind that count, which is why the raw number of homes is a poor comparison on its own.

For this page, site density means residential apartments divided by the land area belonging to the same project boundary. One rai is 1,600 sq m; one ngan is 400 sq m; one square wah is 4 sq m. A hectare is 10,000 sq m, or 6.25 rai, so a units-per-rai figure can be converted to units per hectare by multiplying it by 6.25.

The numerator stays residential. Retail space, hotel rooms and later phases are kept separate unless both the home count and the land figure clearly refer to the same whole development. Towers sharing one plot and one amenity system also need to stay together unless the source gives each phase its own land denominator.

This is a structural measure, not a legal development ratio, an occupancy estimate or a comfort score. Northpoint works out at 31.3 homes per rai and ONCE Pattaya at 183.9, but those numbers do not tell us how many people are actually present, how long a lift wait is, or how quiet either building feels.

Density is calculated only where the residential count and land figure describe the same project boundary. The ≈ sign marks land figures published as approximate by the developer. Multiply units per rai by 6.25 for units per hectare. Copacabana states parking as 30% without defining the percentage base, so it is not converted into spaces per 100 homes.

Parking is a simple example of why the land-density number cannot carry the whole decision. ONCE Pattaya has 134 car spaces for 427 apartments, about 31.4 per 100 homes. The Riviera Jomtien publishes 319 for 1,072 homes, about 29.8, while The Riviera Ocean Drive has 103 for 513, about 20.1. Those ratios still do not tell a buyer how visitor spaces, assigned bays or access rules work.

The building layout changes circulation as well. Northpoint spreads 376 homes across two towers of 46 and 54 storeys; Embassy Pattaya divides 474 homes among three eight-storey buildings; Ocean Drive places 513 homes in one 43-storey tower. A site-density figure cannot show which lobby, lift bank or car-park entrance carries the heavier local flow.

Lift load needs tower-level information. The useful denominator is the number of apartments served by the passenger lifts for the relevant building or wing, with service lifts kept separate. If a project page only says “high-speed lifts” and gives no count, there is no sound basis for inventing an apartments-per-lift ratio from the floor plan.

Amenity lists have a similar limitation. Embassy Pattaya states about 1,000 sq m of indoor common area, but that figure does not cover every outdoor pool or garden in a way that can be compared directly with another developer's facility list. Twenty named amenities are not evidence of more shared space per resident than a shorter list.

Actual queues, noise and pool crowding are operating conditions, not outputs of a density formula. A completed condo allows more direct observation; for a project still being built, the approved plans, specifications and contractual scope carry more weight.

Some Pattaya figures come with built-in uncertainty. The Riviera Jomtien calls its land area approximately 6 rai and Embassy Pattaya approximately 5 rai, so their density ratios should stay approximate too. Copacabana's 30% parking statement is also not interchangeable with a confirmed bay count because the developer does not define the percentage base. Master plans create another trap when a land figure covers several phases but the apartment count belongs to only one.

THE BASE Central Pattaya is a useful boundary case. Sansiri's current project page says about 6 rai, or roughly 9,600 sq m, for 1,112 homes, which would produce about 185.3 units per rai. An official sales kit from the project period gives 6-3-38 rai, or 10,952 sq m, for the same 1,112 homes, producing about 162.5 units per rai. That is roughly a 14% density difference, so the project is kept out of the main table rather than forcing one official denominator to win without an explanation.

Missing disclosure is not evidence that a facility does not exist. An unpublished parking count, passenger-lift count or garden area should remain “not disclosed” until a reliable project document supplies it. That keeps the comparison less complete, but much more useful than false precision.