Build a house in Chiang Mai, or buy a finished villa?
Building prices per square metre in 2026, how long it takes and the risks, side by side, with 6 checks before you sign with a builder.
Build or buy: side by side
What really changes when you choose between building on your own land and buying a pool villa that is already finished.
Build your own
- Price
- House only: 13,500 to 35,000+ baht per sq m. Then land, design, the permit, the garden and furniture on top.
- Time
- About 10 to 18 months from the first design meeting.
- See it first
- You pay in stages for a house you cannot see yet.
- Risk
- Delays, extra costs, or a builder who stops work.
- Design
- Exactly the house you want.
- Warranty
- Depends on your contract with the builder.
- Your time
- Many decisions and site visits for a year or more.
Buy a finished villa
- Price
- One price for the land, the house, the pool and the garden.
- Time
- A finished villa: move in after the transfer.
- See it first
- Walk through the real house before you decide.
- Risk
- The house and the price are fixed in the contract.
- Design
- Choose from finished designs; some come fully furnished.
- Warranty
- 999 villas: 5 years on the structure, 2 years on interior work.
- Your time
- Choose, check, move in.
When building makes sense
You already own land in the right place, you have a year or more, and you want a one-off design.
When buying makes sense
You want to move in soon, at a price you know from the start, and see the real house before you pay.
What it costs to build in Chiang Mai in 2026
Price per square metre for the house itself (materials, labour and the builder's management), without land, design or furniture. For a pool villa with high-end finishes, plan with the top level.
13,500-18,000
Simple design, standard materials.
18,000-25,000
Better materials and finishes.
25,000-35,000+
One-off design, high-end materials and finishes.
Prices went up in 2026: in May the Home Builder Association said most builders raised prices by about 3 to 5%. A very low quote (around 10,000 to 12,000 baht per sq m)? Ask what it leaves out.
Costs on top of the house
- Landdepends on the area
- Design: architect and engineeroften 200,000 baht or more
- Building permit10,000 to 50,000 baht
- House number, water and electricity20,000 to 50,000 baht
- Fence, gate and driveway100,000 to 500,000 baht
- Garden50,000 to 300,000 baht
- Poola separate quote, with the filter system
- Soft or sloping ground100,000 to 500,000 baht extra
- Furniture and appliances15 to 25% of the building price
- A reserve for surprisesabout 10%
A builder's rule of thumb: the budget to move in is about 1.25 to 1.4 times the building price, before the land.
How long does building take?
About 10 to 18 months from the first design meeting to a finished house.
Land and checks
The title deed, the town plan, road access, water, power and flooding: check them all before you buy the land.
Design and drawings
1 to 3 months.
Building permit
The local office must issue the permit, or say why not, within 45 days, and can extend twice by up to 45 days each time (Building Control Act B.E. 2522).
Building
8 to 14 months.
Before you move in
The house number, the water and electricity meters, the garden and the furniture.
A finished 999 villa: move in after the transfer. The villas being finished now: ready Oct 2026 and Nov 2026 (our price list).
6 checks before you sign
Check the land first
The title deed (a chanote, Nor Sor 4 Jor), a town plan zone that allows a house, road access and the flood history.
Permit first, then build
Use a licensed architect and engineer, and wait for the building permit before work starts.
A fixed-price contract
With the drawings, the materials list (brands and models) and the handover date.
Pay for finished work
Pay in stages, when each stage is finished and checked. Keep the last payment until every defect is fixed.
Check the builder
A registered company, finished houses you can visit, and owners you can talk to.
Inspect every stage
An independent engineer at the foundations, the structure, the roof and before handover. And keep about 10% in reserve.
Have your own land? 999 can build for you, case by case
We look at building on your own land case by case. Tell us about the land (where, how big) and the house you want in the form below, and our team will get back to you.
999 pool villas you can move into now
One price for the land, the house, the pool and the garden. See the real villa, with 5 years warranty on the structure, 2 years on interior work and our after-sales team.
999@Ban Wang Tan · Type E
4 bedrooms · 4 bathrooms · 349 m² · pool 4 × 7 m
999@World Club Land · Type A
4 bedrooms · 5 bathrooms · 447 m² · pool 4 × 8 m · maid room · 2 villas for sale
999@World Club Land · Type Gold
5 bedrooms · 7 bathrooms · 887 m² · pool 5 × 10 m · fully furnished · PM2.5 air filter
999@Kad Farang · Type Gold
5 bedrooms · 7 bathrooms · 761 m² · pool 5 × 9 m · fully furnished · solar panels · PM2.5 air filter · carport for 6 cars
Questions people ask
How much does it cost to build a house in Chiang Mai in 2026?
House only, about 13,500 to 18,000 baht per sq m for a standard house, 18,000 to 25,000 for good quality and 25,000 to 35,000 or more for luxury. Land, design, the permit, the garden and furniture come on top.
How long does it take to build a house?
About 10 to 18 months from the first design meeting: design 1 to 3 months, the permit up to 45 days (it can be extended) and building 8 to 14 months.
Is it cheaper to build or to buy?
If you already own land and have time to manage the work, building the house alone can cost less. A finished villa has one price you know from the start, for the land, the house, the pool and the garden. You see it before you pay and move in after the transfer.
What do I need for a building permit?
Apply at the local municipality or Tambon office with the drawings and a copy of the title deed. The office must answer within 45 days, and can extend twice by up to 45 days each time.
Does 999 build on my own land?
Case by case. Tell us about your land and the house you want in the form, and our team will get back to you.
What warranty does a 999 villa have?
5 years on the structure and 2 years on interior work, and our after-sales team helps you after you move in.
Book a viewing of a 999 pool villa
Or ask us anything. We reply within 1 working day, often sooner.
Opening hours: Monday to Saturday, 08:30 to 17:30
Building prices per sq m: the 2026 Chiang Mai budget guide of HUBMAO, a Chiang Mai home builder (updated 14 October 2026), and Chiang Rai Times (September 2026). Estimates only: always ask for written quotes.
2026 price rise: the Home Builder Association (PPTV, 9 May 2026).
Permit time: the Building Control Act B.E. 2522, as in the local offices' citizen manuals. Time to build: Chiang Rai Times (September 2026).
999 warranty: our warranty and after-sales page. Ready villas: our price list of 22 October 2026.
Updated October 2026 by the 999 Developments team