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Buying an old house and renovating it for hundreds of thousands can save you money compared to a new house, with a potential profit of half a million.

Apr 24

Many people dream of a beautiful house in a good location, but the price of a new house often puts them off, as the total cost including decoration usually exceeds 3 million baht. However, there is a smarter alternative: buying a second-hand house in a good location and renovating it according to your budget and desired style.

This article by ProView Living presents a real-world example from a house in Surat Thani, transformed from an ordinary old house into a beautiful modern home, complete with clear budget figures and guidance on using AI as a tool for cost-effective renovation planning.

Market Trends: Thais Turning to Second-Hand Homes at Highest Rate in 15 Years

Market Data and Search Trends Summary (2025–2026)

Second-hand vs. New Home Market Value 49,432 Million THB vs. 43,263 Million THB
Proportion of Second-Hand Homes in BKK-Metropolitan Market 56% (from 38% pre-COVID)
Google Searches for "Second-Hand Homes" Highest in 15 years (2025)
Searches for "Energy-Efficient Homes + Renovation" Increased +40% in 2025
Most Searched Home Styles Scandinavian / Modern Tropical
Fastest Selling Second-Hand Home Price Range Below 3 Million THB
Factors Driving Highest Sales Renovated homes, ready to move in, good location, affordable price

Source: Thansettakij, Positioning Magazine, MarketingOops — Citing Thai Real Estate Market Data 2025–2026

The data clearly indicates a converging market trend: new-generation homebuyers are increasingly opting for second-hand homes in good locations, understanding that renovation is the way to get a "dream home" at an accessible price, something new homes cannot offer.

Why second-hand homes in good locations are more appealing than you might think

First, it's important to understand that "old" doesn't mean low quality. Second-hand houses in villages built 10–20 years ago often have advantages that new houses do not, such as:

  • Central location — Land in older developments is often close to markets, schools, hospitals, and main roads, which is rarely available in new developments.
  • Proven structure — Houses that have stood for decades guarantee a strong, stable structure that won't easily collapse, unlike new houses whose long-term stability needs to be observed.
  • Known neighbors — Established communities have a true village feel; you know who your neighbors are, unlike buying in a new development with unknown residents.
  • Lower starting price — Even with renovation costs added, it can still be hundreds of thousands of baht cheaper than a new house in the same location.

 

Thaisamut Village Soi 18, Surat Thani before renovation

Real Case Study: Thaisamut Village House, Soi 18, Surat Thani

This house is located at Thaisamut Village, Soi 18, Kanchanawithi Road, Bang Kung Subdistrict, Mueang Surat Thani. Its location along the main road offers convenient travel, close to shopping malls and schools, making it a prime example of a "good location that is still available" at an accessible price.

Thaisamut Village Soi 18, Surat Thani before renovation

As seen in the photos, the transformation is remarkable, almost as if it's a completely different house. All these changes were achieved within a pre-planned budget, not an unplanned investment.

How AI can truly help with renovation planning

Technique used by modern second-hand homebuyers: Before deciding to buy, try taking photos of the house and using AI tools like ChatGPT, Gemini, or AI-powered home decoration apps to visualize how the house would look after renovation, before spending a single baht.

Currently, AI can assist in several aspects of the second-hand home buying process:

  • Visualize before deciding — Upload house photos, and AI can change colors, styles, and add furniture to see if you like it before buying.
  • Budget planning — Enter room dimensions and work types, and AI can immediately provide an initial budget estimate.
  • Find style ideas — Tell AI your preferred style, and it will recommend suitable colors, materials, and furniture within your budget.
  • Create a pre-purchase checklist — AI can help generate a house inspection checklist before signing the contract, ensuring no important details are missed.

The result is a clear vision in your mind before making a decision, and the ability to negotiate a better price based on real data.

Actual renovation budget: a planned figure

For this house, we divided the renovation plan into two levels based on budget and needs:

Plan A — Basic Renovation (Immediately livable)

Item Estimated Price (Baht)
Exterior and interior painting 25,000
Door and window repair 18,000
New bathroom tiling 22,000
Electrical system (switches + light bulbs) 15,000
Plumbing system 12,000
Basic wallpaper and curtains 18,000
Labor and operational costs 13,000
Total Plan A ~123,000 Baht

Plan B — Full Renovation (Almost a brand new house)

Item Estimated Price (Baht)
All items in Plan A 123,000
New flooring (laminate or tile) 55,000
New built-in kitchen (full set) 75,000
Master bathroom (full room) 45,000
Balcony and front garden 35,000
Design and supervision fees 30,000
Additional operational costs 27,000
Total Plan B ~390,000 Baht

Real figures comparison

Listed price of this house: 2,200,000 Baht
Plus full renovation budget (Plan B): +390,000 Baht
Total: ~2,590,000 Baht

Market value after renovation: 3,000,000 Baht and above
Price of a new house in the same location: 3,100,000–3,500,000 Baht

Save over half a million baht and get a home custom-designed to your every desire.

Renovated Second-Hand Home vs. New Home

Comparison Topic Second-Hand Home + Renovation New Home from Developer
Location City center, close to amenities Often outside the city, requires car travel
Structural integrity Proven over decades Long-term observation needed
Total price (ready to move in) ~2.5–2.6 million Baht 3.0–3.5 million Baht
Design flexibility 100% customizable Limited by developer's design
Knowing neighbors before buying Already known Unknown until moving in
Using AI for pre-purchase planning Can be done before buying Only based on developer's specified designs

Common concerns before buying an old house

Fear of hidden problems
- Have a professional home inspection before buying. The service costs only a few thousand baht but can save you hundreds of thousands and provide information to negotiate prices with the homeowner.

No renovation knowledge, can I still do it?
- Absolutely. That's where AI helps, and consulting teams like ProView Living are ready to assist from selecting a house, estimating costs, to recommending trustworthy contractors in the Surat Thani area.

How long does it take?
- Basic renovation (Plan A) takes 4–6 weeks. Full renovation (Plan B) takes approximately 2–3 months. You don't need to move in during this time, allowing for advance planning of your move.

This house is still available for viewing.

The house in Thaisamut Village Soi 18, as seen in the pictures, is still available for viewing, along with renovation plans and budgets prepared by the ProView Living team. You just need to choose your desired level.

 

 

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