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The building above the expressway at dusk

NIA By Sansiri

Completed in 2023 419 apartments 19 storeys Watthana, Thailand

About the project NIA By Sansiri

NIA stands in Soi Pridi Banomyong 2 off Sukhumvit 71, Watthana — the approach to the T77 community, two hundred metres from the Chalong Rat expressway ramp. Nineteen storeys, one building, four hundred and nineteen apartments on two rai of land.

There are twenty-one layouts, which is unusual even for a large building: from a 22.75 sq m studio to a 54.50 sq m two-bedroom. Between them sit eight one-bedroom variants from 23 to 23.75 square metres, six at 28.5–29, two at 34.75 and 35.25, and three two-bedrooms. The building is arranged so that a buyer chooses a specific cut rather than “studio or one-bedroom”.

The shared part is lifted to the top: a garden and a pool on the roof with a view over the city, a shaded lounge, a gym with panoramic glazing, a co-working space. Below are a planted courtyard and the lobby.

Parking covers thirty-seven per cent of the apartments — the developer states this as a separate line. Per the brochure's legal block the project has its EIA and construction permit; work began in December 2021 and finished around September 2023.

Source of the data: Developer's project page, checked on 19 August 2026

The building above the expressway at dusk
The roof garden from above
The rooftop pool with a city view
The gym with panoramic glazing
The shared area with its bar counter
The living area of the show apartment

General information

Completed
2023
Number of storeys
19
House type
High-rise condominium
Land area
3,200 m² (2 rai)
Buildings
1 residential building
Premises
419 residential units

Facilities

Leisure
  • Rooftop pool
  • Rooftop garden
  • Courtyard garden
  • Recreation area
Services
  • Lobby lounge
  • Co-working space
Recreation and sport
  • Gym
Parking and security
  • Parking for 37% of the units
Services and security
  • 24-hour security and CCTV
Questions about this project?
We'll send the developer's brochure and answer questions about layouts, timelines and paperwork.

+66935763095 · Telegram · sales@georid.com

By clicking the Request details button, you agree to the Privacy Policy terms

Site plan

Unit layouts

Apartments with 1 bedroom in NIA By Sansiri

Unit layouts NIA By Sansiri — 1A, 1 bedroom, 22.75 m²
1A · 22.75 m²
Unit layouts NIA By Sansiri — 1A-1, 1 bedroom, 23.00 m²
1A-1 · 23.00 m²
Unit layouts NIA By Sansiri — 1A-2, 1 bedroom, 23.00 m²
1A-2 · 23.00 m²
Unit layouts NIA By Sansiri — 1A-3, 1 bedroom, 23.00 m²
1A-3 · 23.00 m²
Unit layouts NIA By Sansiri — 1A-4, 1 bedroom, 23.00 m²
1A-4 · 23.00 m²
Unit layouts NIA By Sansiri — 1A-5, 1 bedroom, 23.25 m²
1A-5 · 23.25 m²
Unit layouts NIA By Sansiri — 1A-6, 1 bedroom, 23.75 m²
1A-6 · 23.75 m²
Unit layouts NIA By Sansiri — 1AM-1, 1 bedroom, 23.00 m²
1AM-1 · 23.00 m²
Unit layouts NIA By Sansiri — 1B, 1 bedroom, 28.50 m²
1B · 28.50 m²
Unit layouts NIA By Sansiri — 1B-1, 1 bedroom, 28.50 m²
1B-1 · 28.50 m²
Unit layouts NIA By Sansiri — 1B-2, 1 bedroom, 28.75 m²
1B-2 · 28.75 m²
Unit layouts NIA By Sansiri — 1B-3, 1 bedroom, 29.00 m²
1B-3 · 29.00 m²
Unit layouts NIA By Sansiri — 1B-4, 1 bedroom, 29.00 m²
1B-4 · 29.00 m²
Unit layouts NIA By Sansiri — 1BM-1, 1 bedroom, 28.50 m²
1BM-1 · 28.50 m²
Unit layouts NIA By Sansiri — 1BM-3, 1 bedroom, 29.00 m²
1BM-3 · 29.00 m²
Unit layouts NIA By Sansiri — 1BM-4, 1 bedroom, 29.00 m²
1BM-4 · 29.00 m²
Unit layouts NIA By Sansiri — 1C, 1 bedroom, 34.75 m²
1C · 34.75 m²
Unit layouts NIA By Sansiri — 1D, 1 bedroom, 35.25 m²
1D · 35.25 m²

Apartments with 2 bedrooms in NIA By Sansiri

Unit layouts NIA By Sansiri — 2A, 2 bedrooms, 48.00 m²
2A · 48.00 m²
Unit layouts NIA By Sansiri — 2B, 2 bedrooms, 51.25 m²
2B · 51.25 m²
Unit layouts NIA By Sansiri — 2C, 2 bedrooms, 54.50 m²
2C · 54.50 m²

Ask about layouts and availability

Building floor plans

Building floor plans NIA By Sansiri — 1st floor
1st floor
Building floor plans NIA By Sansiri — 2nd floor
2nd floor
Building floor plans NIA By Sansiri — 3rd floor
3rd floor
Building floor plans NIA By Sansiri — 4th floor
4th floor
Building floor plans NIA By Sansiri — 5th floor
5th floor
Building floor plans NIA By Sansiri — 6th–19th floors
6th–19th floors
Building floor plans NIA By Sansiri — Rooftop
Rooftop

Ask about documents and the foreign quota

Sansiri Verified developer

Basis: an entry in the Thai company registry (DBD). Registry data on the developer page

Year of foundation 1984
Projects 519 projects

Sansiri Public Company Limited (Thai: บริษัท แสนสิริ จำกัด (มหาชน)) is a Thai company registered under number 0107538000665.

The developer's own site

More projects by the developer

All projects of Sansiri

Frequently asked questions

What is NIA By Sansiri?

NIA By Sansiri is a high-rise condominium in Watthana, Bangkok, 19 storeys.

How many apartments are there in NIA By Sansiri?

According to the developer documents, NIA By Sansiri in Watthana, Bangkok has 419 apartments, 1 building.

What unit layouts are available in NIA By Sansiri?

21 layouts, areas of 22.75–54.50 m².

When was NIA By Sansiri completed?

NIA By Sansiri: construction December 2021 – September 2023, completed in 2023.

What is known about the land and permits of NIA By Sansiri?

According to the developer documents: title deed number — 4619, 2038; encumbrance — Land and buildings are to be mortgaged to the financing bank; environmental assessment — Approved. State as of December 2021, per the legal section of the developer brochure.

Where is NIA By Sansiri located?

NIA By Sansiri is located in Watthana, Bangkok, Thailand.

Who is the developer of NIA By Sansiri?

The developer of NIA By Sansiri is Sansiri.

Can a foreigner own an apartment in NIA By Sansiri?

Yes, within the foreign quota: under the Condominium Act B.E. 2522 foreigners may hold up to 49% of a building's total saleable floor area, and the Land Office checks the ratio at the moment of transfer. How much of the quota NIA By Sansiri has left is not published anywhere — ask the building's juristic person for a certificate before the deposit and again before the transfer.

Can NIA By Sansiri be bought on a leasehold?

Beyond the 49% foreign quota apartments in Thailand are sold on a leasehold — a lease right of up to 30 years registered at the Land Office. Renewal is a clause in the contract, not a guarantee given by the law, and it is registered anew each time. Whether a leasehold is available in NIA By Sansiri right now, and on what terms, is a question for the developer.

Do I have to come to Thailand for the deal?

Not necessarily: the transfer can be done by a representative under a power of attorney certified at a Thai consulate. Money for a foreign-quota purchase must arrive in Thailand in foreign currency through a Thai bank — the bank's certificate of that transfer is required at the Land Office (Condominium Act, section 19).

What is paid on top of the price of an apartment?

The transfer is paid for at the Land Office, and the building charges a common area fee monthly and a one-off sinking fund payment. The rates for NIA By Sansiri are on this page where the developer publishes them; taxes and the transfer fee depend on the seller and on how long the unit has been owned.

Questions about this project?

We'll send the developer's brochure and answer questions about layouts, timelines and paperwork.
By clicking the Request details button, you agree to the Privacy Policy terms

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