2 Sept 2026 · 5 min read
How architect fees work — and when you pay
Percentage, fixed or hourly — how they differ, and why payments should follow delivered work.
Read moreArchitecture studio · Bangkok
Houses drawn from light, air and the way you live
We design new houses, renovations and extensions — only a few a year, so the same architect stays with you from the first site visit to the day you get the keys.
- We design
- Houses of 150 – 600 m²
- Every project
- Led by a licensed architect
- Fees
- Paid as work is delivered
- Reply
- Within one working day
Selected work
Project index
- Hillside Court HouseNew house · 320 m²Pak Chong, Nakhon RatchasimaCompleted· 2025Sample project
- White Box TownhouseRenovation · 210 m²Ari, BangkokCompleted· 2024
Sample project - Timber Garden ExtensionExtension · 85 m²Mae Rim, Chiang MaiOn site· 2026
Sample project - Mono-Pitch HouseNew house · 260 m²Bang Na, Samut PrakanIn design· 2026
Sample project - Quiet Bedroom SuiteInterior architecture · 48 m²Sathorn, BangkokCompleted· 2025
Sample project
What we do
Four services — take only the stages you need
Hire us for every stage or just the ones you need. Each service lists exactly what you receive and how it's charged.
- 01
New house design
A house on your land — site study, concept, permit drawings and a full construction set.
Details - 02
Renovation
Rethinking an existing house or townhouse — structure checked first, then redesigned to be bright, airy and practical.
Details - 03
Extensions
Adding rooms or space to an existing house, with a properly separated structure so joints don't crack or settle.
Details - 04
Site reviews & supervision
We visit on an agreed schedule, check work against the drawings, answer the contractor's questions and help review each instalment before you pay.
Details
How we work
Six stages, paid as you receive the work
- Stage 01Free (first 60-minute meeting)
Brief & site visit
Duration: 1 – 2 weeks
- Stage 0220%
Concept design
Duration: 3 – 5 weeks
- Stage 0320%
Design development
Duration: 4 – 6 weeks
- Stage 0420%
Permit drawings
Duration: 3 – 4 weeks + authority time
- Stage 0525%
Construction drawings & tender
Duration: 6 – 8 weeks
- Stage 0615%, spread monthly
During construction
Duration: Length of the build (often 8 – 14 months)
Estimate build cost and design fee
Enter floor area and finish level for a rough range — for planning only.
- Estimated build cost
- ฿4.5 – 6.3 m
- Estimated design fee (6–9%)
- ฿270,000 – ฿560,000
Estimated from this template's sample rates — not a quote. Real prices depend on design, site, foundations and materials.
Checkable
Check us before you hire us
Choosing an architect shouldn't rest on pretty pictures alone. Here is what you can verify yourself.
- A licensed architect is responsible for every project — check the register at the Architect Council of Thailand
- A written contract listing scope, stages and deliverables
- Instalments tied to delivered work — no large upfront payment
- Payments to the company account only, with a receipt every time
- Happy to show finished houses and share past clients who've agreed to talk
- Professional licence
- Tua-yang Jaidee (architect in charge)
- Licensed architect, Architect Council of Thailand no. [00000]
- Verify at the Architect Council
- Company
- Lumen Line Architects Co., Ltd.
- Company registration no. 0-0000-00000-00-0
- The one account we accept fees into
- Sample Bank, Sukhumvit branch
- Lumen Line Architects Co., Ltd.
- 000-0-00000-0
Journal
Read before you build
12 Aug 2026 · 6 min read
What to check before buying land to build on
Sun, access, flood levels, zoning and setbacks — the things that are hard to fix later.
Read more
1 Jul 2026 · 4 min read
A cooler house before the air-con goes on
Eaves, window orientation, heat vents and roof colour that genuinely help in a hot, humid climate.
Read more
Tell us about your plot or your house
The first 60-minute meeting is free — at the studio, online, or on site in greater Bangkok.
