The building above the expressway at dusk

NIA By Sansiri

Completed in 2023 Watthana, Thailand

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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

General information

Completed

2023

Number of storeys

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

Parking and security

Parking for 37% of the units

Services and security

24-hour security and CCTV

Features of the complex

Twenty-one layouts: From 22.75 to 54.50 sq m, with exact areas printed on every drawing.
A pool and garden on the roof: The shared part is lifted to the nineteenth level.
Two hundred metres to the expressway: The Chalong Rat ramp; Habito Mall T77 is four hundred and fifty metres away.

Questions about this project?

We'll send the developer's brochure and answer questions about layouts, timelines and paperwork.

Site plan

Unit layouts

Apartments with 1 bedroom in NIA By Sansiri

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

Building floor plans

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

Title and permits

Owner registration number: 0107538000665
Title deed number: 4619, 2038
Address on title deed: Watthana, Bangkok, 10110
Encumbrance: Land and buildings are to be mortgaged to the financing bank
Environmental assessment: Approved
Construction: December 2021 – September 2023

State as of December 2021, per the legal section of the developer brochure. Open the brochure

Georid is not affiliated with the developer. The figures above are quoted from the developer's own materials and have not been independently verified.

Where the developer contradicts itself

Layout areas: the developer's page rounds them to whole metres while the drawings print exact figures — 22.75 rather than 23. The card follows the drawings.
Mortgage: the brochure's legal block says the land and building WILL be mortgaged to a financial institution — that is, as of the document's date there is no encumbrance yet.
The gallery shows two towers; per the legal block the project has one. The second belongs to a neighbouring development in the same block.

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

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Setthasiri Watcharapol - Theprak House · 177 units · 2029
XELF by Sansiri Condominium · 946 units · 2028
Narasiri Victoire Krungthep Kreetha House · 60 units · 2028
Widen By Sansiri Condominium · 215 units · 2028
Setthasiri Great Wongwaen - Chatuchot House · 156 units · 2028
XT10 Ekkamai Condominium · 933 units · 2028

All projects of Sansiri

Frequently asked questions

How many apartments are there in NIA By Sansiri?

According to the developer documents: 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?

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.